Seattle City Zoning Code
Complete index of all zoning chapters, sections, and subsections
CHAPTER 23
34 - AMENDMENTS TO OFFICIAL LAND USE MAP REZONES
Sections
- Subchapter I - Procedure
- Subchapter II - Rezone Criteria
- 23.34.007 - Rezone evaluation
- 23.34.008 - General rezone criteria
- 23.34.009 - Height limits of the proposed rezone
- 23.34.010 - Designation of NR1, NR2, and NR3 zones
- 23.34.011 - NR1, NR2, and NR3 zones, function, and locational criteria
- 23.34.012 - Neighborhood Residential Small Lot (RSL) zone, function, and locational criteria
- 23.34.013 - Designation of multifamily zones
- 23.34.014 - Lowrise 1 (LR1) zone, function and locational criteria
- 23.34.018 - Lowrise 2 (LR2) zone, function and locational criteria
- 23.34.020 - Lowrise 3 (LR3) zone, function, and locational criteria
- 23.34.024 - Midrise (MR) zone, function, and locational criteria
- 23.34.028 - Highrise (HR) zone, function and locational criteria.
- 23.34.070 - Residential-Commercial (RC) zone, function and locational criteria.
- 23.34.072 - Designation of commercial zones.
- 23.34.074 - Neighborhood Commercial 1 (NC1) zones, function and locational criteria.
- 23.34.076 - Neighborhood Commercial 2 (NC2) zones, function and locational criteria.
- 23.34.078 - Neighborhood Commercial 3 (NC3) zones, function and locational criteria.
- 23.34.080 - Commercial 1 (C1) zones, function and locational criteria.
- 23.34.082 - Commercial 2 (C2) zones, function and locational criteria.
- 23.34.086 - Pedestrian designation (suffix P), function and locational criteria
- 23.34.089 - Locational criteria—Station Area Overlay District.
- 23.34.090 - Designation of industrial zones.
- 23.34.092 - General Industrial 1 (IG1) zone, function and locational criteria.
- 23.34.093 - General Industrial 2 (IG2) zone, function and locational criteria
- 23.34.094 - Industrial Buffer (IB) zone, function and locational criteria.
- 23.34.096 - Locational criteria—Industrial Commercial (IC) zone
- 23.34.097 - Maritime Manufacturing and Logistics (MML) zone, function, and locational criteria
- 23.34.098 - Industry and Innovation (II) zone, function, and locational criteria
- 23.34.099 - Urban Industrial (UI) zone, function, and locational criteria
- 23.34.100 - Designation of Downtown zones.
- 23.34.102 - Downtown Office Core-1 (DOC-1) zone, function and locational criteria.
- 23.34.104 - Downtown Office Core-2 (DOC-2) zone, function and locational criteria.
- 23.34.106 - Downtown Retail Core (DRC) zone, function and locational criteria.
- 23.34.108 - Downtown Mixed Commercial (DMC) zone, function and locational criteria
- 23.34.110 - Downtown Mixed Residential (DMR) zone, function and locational criteria
- 23.34.112 - Pioneer Square Mixed (PSM) zone, locational criteria.
- 23.34.114 - International District Mixed (IDM) zone, locational criteria
- 23.34.116 - International District Residential (IDR) zone, locational criteria
- 23.34.118 - Downtown Harborfront-1 (DH-1) zone, locational criteria.
- 23.34.120 - Downtown Harborfront-2 (DH-2), function and locational criteria.
- 23.34.122 - Pike Market Mixed (PMM) zone, locational criteria.
- 23.34.124 - Designation of Major Institution Overlay (MIO) districts.
- 23.34.126 - Designation of the Seattle Mixed (SM) zone.
- 23.34.128 - Seattle Mixed (SM) zone, function and locational criteria
CHAPTER 23
40 - COMPLIANCE WITH REGULATIONS REQUIRED—EXCEPTIONS
Sections
- 23.40.002 - Conformity with regulations required
- 23.40.004 - Reduction of required spaces.
- 23.40.006 - Demolition of housing
- 23.40.007 - Reuse and Recycling of Building Materials in a Structure Containing a Dwelling Unit
- 23.40.008 - Demolition of landmarks.
- 23.40.020 - Variances
- 23.40.030 - Undeveloped streets—Modification of certain development standards.
- 23.40.040 - Reasonable accommodation.
- 23.40.060 - Living Building Pilot Program
- 23.40.070 - 2030 Challenge High Performance Existing Building Pilot Program
- 23.40.080 - Conversion to residential use in an existing structure
CHAPTER 23
41 - DESIGN REVIEW5
Sections
- 23.41.002 - Purpose
- 23.41.004 - Applicability
- 23.41.006 - Design Review Districts Map
- 23.41.008 - Design Review general provisions
- 23.41.010 - Design review guidelines
- 23.41.012 - Development standard departures
- 23.41.014 - Full design review process
- 23.41.016 - Administrative design review process
- 23.41.018 - Streamlined administrative design review (SDR) process
- 23.41.020 - Master Planned Community design review process
- 23.41.022 - Coordination of design review and vacations of right-of-way
CHAPTER 23
42 - GENERAL USE PROVISIONS
Sections
- 23.42.010 - Identification of principal permitted uses.
- 23.42.020 - Accessory uses.
- 23.42.022 - Accessory dwelling units
- 23.42.030 - Access to Uses
- 23.42.038 - Uses allowed on vacant and underused lots in certain zones
- 23.42.040 - Intermittent, temporary, and interim uses
- 23.42.041 - Interim street activation
- 23.42.042 - Conditional uses
- 23.42.044 - Construction-Related Parking.
- 23.42.048 - Configuration of dwelling units
- 23.42.049 - Congregate residences
- 23.42.050 - Home occupations
- 23.42.051 - Urban farms
- 23.42.052 - Keeping of animals
- 23.42.053 - Community gardens
- 23.42.054 - Transitional encampments located on property owned or controlled by a religious organization
- 23.42.055 - Development of affordable units on property owned or controlled by a religious organization
- 23.42.056 - Transitional encampment as an interim use
- 23.42.057 - Waivers and modifications for low-income housing
- 23.42.058 - Cannabis
- 23.42.060 - Short-term rentals
- 23.42.070 - Parking for rented or leased multifamily dwelling units and commercial uses
- 23.42.100 - Nonconformity—Applicability and intent
- 23.42.102 - Establishing nonconforming status.
- 23.42.104 - Nonconforming uses.
- 23.42.106 - Expansion of nonconforming uses
- 23.42.108 - Change from nonconforming use to conforming use
- 23.42.110 - Change from one nonconforming use to another nonconforming use
- 23.42.112 - Nonconformity to development standards
- 23.42.114 - Multifamily structures nonconforming to development standards
- 23.42.116 - Downtown structures nonconforming to development standards.
- 23.42.118 - Landmark structures
- 23.42.120 - Access easement nonconformity.
- 23.42.122 - Height nonconformity
- 23.42.124 - Light and glare standards nonconformity
- 23.42.126 - Outdoor storage areas nonconformity
- 23.42.128 - Parking nonconformity
- 23.42.130 - Nonconforming solar collectors
- 23.42.140 - Negative use restrictions related to grocery stores and pharmacies
CHAPTER 23
44 - NEIGHBORHOOD RESIDENTIAL
Sections
- 23.44.002 - Scope of provisions
- Subchapter I - Principal Uses Permitted Outright
- 23.44.006 - Principal uses permitted outright
- 23.44.007 - Mandatory Housing Affordability in RSL zones
- 23.44.008 - Development standards for uses permitted outright
- 23.44.009 - Design standards in RSL zones
- 23.44.010 - Minimum lot area and lot coverage
- 23.44.011 - Floor area in neighborhood residential zones
- 23.44.012 - Height limits
- 23.44.013 - Transportation concurrency level-of-service standards.
- 23.44.014 - Yards
- 23.44.016 - Parking and garages
- 23.44.017 - Density limits
- 23.44.018 - Maximum dwelling unit size in RSL zones
- 23.44.019 - Alternative standards for development of affordable units on property owned or controlled by a religious organization
- 23.44.020 - Tree requirements
- Subchapter II - Conditional Uses[6]
- 23.44.021 - General provisions
- 23.44.022 - Institutions
- 23.44.024 - Clustered housing planned developments
- 23.44.026 - Use of landmark structures or sites
- 23.44.028 - Structures unsuited to uses permitted outright
- 23.44.030 - Park and ride facility
- 23.44.032 - Certain nonconforming uses.
- 23.44.034 - Planned residential development (PRD)
- 23.44.035 - Communication utilities.
- 23.44.036 - Public facilities
- Subchapter III - Accessory Uses
- 23.44.040 - General Provisions
- 23.44.042 - Urban farms
- 23.44.044 - Swimming pools
- 23.44.046 - Solar collectors
- 23.44.048 - Keeping of animals.
- 23.44.050 - Home occupations.
- 23.44.051 - Bed and breakfasts
- 23.44.052 - Open wet moorage
- 23.44.053 - Transitional encampments accessory use
- 23.44.058 - Columbariums, garden wall crypts and mausoleums.
- 23.44.060 - Uses accessory to parks and playgrounds
- 23.44.068 - Heat recovery incinerator.
- 23.44.070 - Recycling collection stations.
CHAPTER 23
45 - MULTIFAMILY
Sections
- 23.45.502 - Scope of provisions
- 23.45.504 - Permitted and prohibited uses
- 23.45.506 - Administrative conditional uses
- 23.45.508 - General provisions
- 23.45.509 - Standards applicable to specific areas
- 23.45.510 - Floor area
- 23.45.512 - Density limits and minimum lot size—LR zones
- 23.45.514 - Structure height
- 23.45.516 - Method to achieve extra residential floor area in HR zones
- 23.45.517 - Mandatory housing affordability (MHA) in multifamily zones
- 23.45.518 - Setbacks
- 23.45.520 - HR zone upper-level development standards
- 23.45.522 - Amenity area
- 23.45.524 - Landscaping standards
- 23.45.527 - Structure width and façade length limits in LR zones
- 23.45.528 - Structure width and depth limits for lots greater than 9,000 square feet in Midrise zones
- 23.45.529 - Design standards
- 23.45.530 - Green building standards
- 23.45.531 - Development standards for cottage housing developments and carriage house structures
- 23.45.532 - Standards for ground floor commercial uses in MR and HR zones
- 23.45.534 - Light and glare standards
- 23.45.536 - Parking location, access, and screening
- 23.45.545 - Standards for certain accessory uses
- 23.45.550 - Alternative Standards for development of affordable units on property owned or controlled by a religious organization
- 23.45.570 - Institutions
- 23.45.574 - Assisted living facilities
- 23.45.578 - Public or private parks and playgrounds
- 23.45.586 - Keeping of animals
- 23.45.590 - Home occupations
- 23.45.595 - Transitional encampments accessory use
- 23.45.600 - Major Phased Developments in Midrise zones
CHAPTER 23
46 - RESIDENTIAL—COMMERCIAL
Sections
- 23.46.002 - Scope of provisions
- 23.46.004 - Uses
- 23.46.006 - Conditional uses.
- 23.46.012 - Location of commercial uses
- 23.46.014 - Maximum size of commercial uses.
- 23.46.016 - Noise standards.
- 23.46.018 - Odor standards.
- 23.46.020 - Light and glare standards.
- 23.46.022 - Parking requirements
- 23.46.024 - Transportation concurrency level-of-service standards.
CHAPTER 23
47A - COMMERCIAL
Sections
- 23.47A.002 - Scope of provisions
- 23.47A.004 - Permitted and prohibited uses
- 23.47A.005 - Street-level uses
- 23.47A.006 - Conditional uses
- 23.47A.007 - Major Phased Developments.
- 23.47A.008 - Street-level development standards
- 23.47A.009 - Standards applicable to specific areas
- 23.47A.010 - Maximum size of nonresidential use
- 23.47A.011 - Outdoor activities
- 23.47A.012 - Structure height
- 23.47A.013 - Floor area ratio
- 23.47A.014 - Setback requirements
- 23.47A.015 - View corridors.
- 23.47A.016 - Landscaping and screening standards
- 23.47A.017 - Mandatory housing affordability in C and NC zones
- 23.47A.018 - Noise standards
- 23.47A.020 - Odor standards
- 23.47A.022 - Light and glare standards
- 23.47A.024 - Amenity area
- 23.47A.027 - Landmark Districts and designated landmark structures
- 23.47A.028 - Standards for drive-in businesses.
- 23.47A.030 - Required parking and loading.
- 23.47A.032 - Parking location and access
- 23.47A.033 - Transportation concurrency level-of-service standards.
- 23.47A.035 - Assisted living facilities
- 23.47A.036 - Transitional encampments accessory use
- 23.47A.037 - Keeping of animals.
- 23.47A.038 - Home occupations.
- 23.47A.039 - Provisions for pet daycare centers and boarding of animals by pet grooming centers
- 23.47A.040 - Alternative standards for development of affordable units on property owned or controlled by a religious organization
CHAPTER 23
48 - SEATTLE MIXED
Sections
- Subchapter I - General Provisions
- 23.48.002 - Scope of provisions
- 23.48.005 - Uses
- 23.48.007 - Major Phased Developments
- 23.48.010 - Relocating Landmark structures
- 23.48.020 - Floor area ratio (FAR)
- 23.48.021 - Extra floor area in Seattle Mixed zones
- 23.48.025 - Structure height
- 23.48.040 - Street-level development standards
- 23.48.045 - Amenity area for residential uses
- 23.48.050 - Mandatory housing affordability (MHA) requirements
- 23.48.055 - Landscaping and screening standards
- 23.48.065 - Noise and odor standards
- 23.48.075 - Light and glare standards
- 23.48.080 - Required parking and loading
- 23.48.085 - Parking and loading location, access, and curb cuts
- 23.48.090 - Assisted living facilities
- 23.48.095 - Pet daycare centers
- 23.48.100 - Alternative standards for development of affordable units on property owned or controlled by a religious organization
- Subchapter II - South Lake Union Provisions
- 23.48.200 - Scope of provisions for South Lake Union
- 23.48.205 - Uses for South Lake Union
- 23.48.220 - Floor area ratio (FAR) in South Lake Union Urban Center
- 23.48.221 - Extra floor area in South Lake Union Urban Center
- 23.48.223 - Mandatory housing affordability (MHA) program
- 23.48.225 - Structure height in South Lake Union Urban Center
- 23.48.230 - Additional height in certain SM-zoned areas in the South Lake Union Urban Center
- 23.48.231 - Modification of development standards in certain SM-SLU zones
- 23.48.232 - Lot area limits in SM-SLU/R 65/95
- 23.48.235 - Upper-level setback requirements in South Lake Union Urban Center
- 23.48.240 - Street-level development standards in South Lake Union Urban Center
- 23.48.245 - Upper-level development standards in South Lake Union Urban Center
- 23.48.250 - Open space requirement for office uses in South Lake Union Urban Center
- 23.48.255 - Screening and landscaping standards in South Lake Union Urban Center
- 23.48.280 - Required parking in South Lake Union Urban Center
- 23.48.285 - Parking location, access and curb cuts in South Lake Union Urban Center
- 23.48.290 - Transportation management programs
- Subchapter III - Dravus
- Subchapter IV - North Rainier
- 23.48.400 - Applicability in North Rainier
- 23.48.420 - Floor area ratio (FAR) in North Rainier
- 23.48.421 - Extra floor area in the SM-NR 145 zone
- 23.48.435 - Upper-level setback requirements in North Rainier
- 23.48.440 - Street-level development standards in North Rainier
- 23.48.445 - Green building standards
- Subchapter V - University District
- 23.48.602 - Scope of provisions for SM-U zones
- 23.48.605 - Uses in SM-U zones
- 23.48.610 - Transportation management programs
- 23.48.615 - Structure height in SM-U zones
- 23.48.620 - Floor area ratio in SM-U zones
- 23.48.622 - Extra floor area in SM-U zones
- 23.48.623 - Transfer of development rights (TDR) and potential (TDP) in SM-U zones
- 23.48.624 - Bonus floor area for publicly accessible open space amenities in SM-U zones
- 23.48.627 - Combined lot development in SM-U zones
- 23.48.630 - Adoption of vulnerable masonry structures rules
- 23.48.635 - Maximum width limits in SM-U zones
- 23.48.640 - Street-level development standards in SM-U zones
- 23.48.645 - Upper-level development standards in SM-U zones
- 23.48.646 - Facade modulation in SM-U zones
- 23.48.650 - Required open space for large lot developments in SM-U zones
- 23.48.680 - Parking quantity in SM-U zones
- 23.48.685 - Parking location in SM-U zones
- 23.48.690 - Development agreements in SM-U zones
- Subchapter VI - Uptown
- 23.48.702 - Scope of provisions for SM-UP zones
- 23.48.705 - Uses in SM-UP zones
- 23.48.710 - Transportation management programs
- 23.48.720 - Floor area ratio (FAR) in SM-UP zones
- 23.48.722 - Floor area in the SM-UP 160 zone
- 23.48.723 - Transfer of development rights (TDR) and transfer of development potential (TDP) in the SM-UP 160 zone
- 23.48.724 - Extra floor area for open space amenities in SM-UP 160 zone
- 23.48.730 - Adoption of vulnerable masonry structures rules
- 23.48.732 - Maximum structure width and depth in SM-UP zones
- 23.48.735 - Upper-level setback requirements in SM-UP zones
- 23.48.740 - Street-level development standards in SM-UP zones
- 23.48.745 - Upper-level development standards in SM-UP 160 zones
- 23.48.750 - Open space requirement for office uses in the SM-UP zone
- 23.48.755 - Screening
- 23.48.780 - Required parking in Uptown Urban Center
- 23.48.785 - Parking location, access, and curb cuts
- Subchapter VII - Northgate
- 23.48.802 - Scope of provisions for SM-NG zones
- 23.48.805 - Uses in SM-NG zones
- 23.48.820 - Floor area ratio in SM-NG zones
- 23.48.825 - Structure height in SM-NG zones
- 23.48.827 - Combined lot development in SM-NG zones
- 23.48.835 - Maximum width and depth limits in SM-NG zones
- 23.48.840 - Setbacks and street-level development standards in SM-NG zones
- 23.48.841 - Required mid-block corridor
- 23.48.845 - Upper-level development standards for tower structures in SM-NG zones
- 23.48.846 - Upper-level setbacks for non-tower structures in SM-NG zones
- 23.48.847 - Facade modulation in SM-NG zones
- 23.48.850 - Mandatory housing affordability (MHA) in SM-NG zones
- 23.48.852 - Required usable open space in SM-NG zones
- 23.48.880 - Parking quantity in SM-NG zones
- 23.48.885 - Parking location in SM-NG zones
- Subchapter VIII - Rainier Beach Standards
CHAPTER 23
49 - DOWNTOWN ZONING
Sections
- Subchapter I - General Provisions
- 23.49.002 - Scope of provisions
- 23.49.006 - Scope of general standards.
- 23.49.007 - Mandatory housing affordability (MHA) in Downtown zones
- 23.49.008 - Structure height
- 23.49.009 - Street-level use requirements
- 23.49.010 - General requirements for residential uses
- 23.49.011 - Floor area ratio
- 23.49.012 - Bonus floor area for voluntary agreements for housing and child care
- 23.49.013 - Bonus floor area for amenities
- 23.49.014 - Transfer of development rights
- 23.49.016 - Open space.
- 23.49.017 - Open space TDR Site Eligibility
- 23.49.018 - Overhead Weather Protection and Lighting.
- 23.49.019 - Parking quantity, location, and access requirements, and screening and landscaping of parking areas
- 23.49.021 - Transportation concurrency level-of-service standards.
- 23.49.022 - Minimum sidewalk and alley width.
- 23.49.023 - Extra residential floor area and hotel floor area in South Downtown; transferable development potential (TDP); limits on TDP sending sites
- 23.49.024 - View corridor requirements.
- 23.49.025 - Odor, noise, light/glare, and solid waste storage, access, and collection standards
- 23.49.028 - Keeping of animals and pet daycare centers
- 23.49.029 - Utility services uses
- 23.49.030 - Adult Cabarets
- 23.49.031 - Green Factor Landscaping in South Downtown
- 23.49.032 - Additions of chargeable floor area to lots with existing structures
- 23.49.034 - Modification of plazas and other features bonused under Title 24.
- 23.49.035 - Modified or discontinued public benefit features.
- 23.49.036 - Planned community developments (PCDs)
- 23.49.037 - Alternative standards for development of affordable units on property owned or controlled by a religious organization
- 23.49.038 - Lots located in more than one (1) zone.
- 23.49.039 - Modification of development standards in certain Downtown zones
- 23.49.040 - Termination of discontinued conditional uses.
- 23.49.041 - Combined lot development
- Subchapter II - Downtown Office Core 1, Downtown Office Core 2, and Downtown Mixed Commercial
- 23.49.042 - Downtown Office Core 1, Downtown Office Core 2, and Downtown Mixed Commercial permitted uses
- 23.49.044 - Downtown Office Core 1, Downtown Office Core 2, and Downtown Mixed Commercial prohibited uses
- 23.49.045 - Downtown Office Core 1, Downtown Office Core 2, and Downtown Mixed Commercial flexible-use and accessory parking
- 23.49.046 - Downtown Office Core 1 (DOC1), Downtown Office Core 2 (DOC2), and Downtown Mixed Commercial (DMC) conditional uses and Council decisions
- 23.49.056 - Downtown Office Core 1 (DOC1), Downtown Office Core 2 (DOC2), and Downtown Mixed Commercial (DMC) street facade, landscaping, and street setback requirements
- 23.49.058 - Downtown Office Core 1, Downtown Office Core 2, and Downtown Mixed Commercial upper-level development standards
- 23.49.059 - Downtown Mixed Commercial, standards for lots abutting green streets in South Downtown
- 23.49.060 - Downtown Mixed Commercial, standards for facades along mid-block corridors
- Subchapter III - Downtown Retail Core
- 23.49.090 - Downtown Retail Core, permitted uses
- 23.49.092 - Downtown Retail Core, prohibited uses.
- 23.49.094 - Downtown Retail Core, principal and accessory parking
- 23.49.096 - Downtown Retail Core, conditional uses and Council decisions
- 23.49.106 - Downtown Retail Core, street facade requirements
- 23.49.108 - Downtown Retail Core, upper-level development standards
- Subchapter IV - Downtown Mixed Residential
- 23.49.140 - General provisions.
- 23.49.142 - Downtown Mixed Residential, permitted uses
- 23.49.143 - Downtown Mixed Residential, size of use limits in South Downtown
- 23.49.144 - Downtown Mixed Residential, prohibited uses.
- 23.49.146 - Downtown Mixed Residential, principal and accessory parking
- 23.49.148 - Downtown Mixed Residential, conditional uses and Council decisions
- 23.49.156 - Downtown Mixed Residential, minimum lot size
- 23.49.158 - Downtown Mixed Residential, coverage and floor size limits
- 23.49.162 - Downtown Mixed Residential, street facade requirements
- 23.49.163 - Downtown Mixed Residential, standards for facades along mid-block corridors
- 23.49.164 - Downtown Mixed Residential, maximum width, depth and separation requirements
- 23.49.165 - Downtown Mixed Residential, Façade Modulation Requirement - South Downtown
- 23.49.166 - Downtown Mixed Residential, side setback and green street setback requirements
- 23.49.167 - Downtown Mixed Residential, alternative standards for small lots
- Subchapter V - Pioneer Square Mixed
- Subchapter VI - International District Mixed
- Subchapter VII - International District Residential
- 23.49.220 - International District Residential/Commercial
- 23.49.223 - Chapter 23.66 provisions apply
- 23.49.226 - International District Residential, permitted uses
- 23.49.236 - International District Residential, structure height
- 23.49.242 - International District Residential, development standards
- 23.49.250 - International District Residential, street façade requirements
- Subchapter VIII - Downtown Harborfront 1
- Subchapter IX - Downtown Harborfront 2
- 23.49.318 - Downtown Harborfront 2, permitted uses
- 23.49.320 - Downtown Harborfront 2, prohibited uses
- 23.49.322 - Downtown Harborfront 2, flexible-use parking and accessory parking
- 23.49.324 - Downtown Harborfront 2, conditional uses
- 23.49.326 - Downtown Harborfront 2, general provisions.
- 23.49.332 - Downtown Harborfront 2, street facade requirements.
- Subchapter X - Pike Place Market Mixed
CHAPTER 23
50 - INDUSTRIAL
Sections
- 23.50.002 - Scope of provisions
- Subchapter I - General Provisions
- Subchapter II - Uses in All Industrial Zones
- Subchapter III - Development Standards in All Zones
- 23.50.015 - Major Phased Development.
- 23.50.016 - Landscaping standards on designated streets
- 23.50.018 - View corridors
- 23.50.020 - Structure height exceptions and additional restrictions
- 23.50.022 - General Industrial 1 and 2—Structure height
- 23.50.024 - Industrial Buffer—Structure height
- 23.50.027 - Maximum size of nonindustrial use
- 23.50.028 - Floor area
- 23.50.030 - Industrial Buffer—Setback requirements
- 23.50.034 - Screening and landscaping
- 23.50.036 - Industrial Buffer—Screening and landscaping
- 23.50.040 - Industrial General—Screening and landscaping for specific uses
- 23.50.042 - All Industrial zones—Venting standards.
- 23.50.044 - All Industrial zones—Standards for major odor sources
- 23.50.046 - Industrial Buffer zone—Light and glare standards
- 23.50.048 - Industrial Buffer—Access to parking and loading areas.
- 23.50.049 - Pet daycare centers.
- 23.50.050 - Transportation concurrency level-of-service standards.
CHAPTER 23
50A - INDUSTRIAL AND MARITIME
Sections
- 23.50A.020 - Scope
- 23.50A.040 - Permitted and prohibited uses
- 23.50A.060 - Criteria for all conditional uses
- 23.50A.062 - Administrative conditional uses
- 23.50A.064 - Council conditional uses
- 23.50A.080 - Maximum size of nonindustrial use
- 23.50A.100 - Floor area
- 23.50A.120 - Extra floor area in the II 125 and II 160 zones
- 23.50A.122 - Extra floor area in the II 85 zone
- 23.50A.124 - Extra floor area in the II 85-240 zone
- 23.50A.126 - Extra floor area in II zones—Offsite performance
- 23.50A.128 - Extra floor area in II zones—Extra floor area from existing industrial structures
- 23.50A.140 - Structure height
- 23.50A.160 - Structure height exceptions and additional restrictions
- 23.50A.180 - Landscaping, screening, and Green Factor requirements
- 23.50A.182 - General landscaping requirements in the UI zones
- 23.50A.184 - Landscaping and screening standards in the II and IC zones
- 23.50A.186 - Landscaping and screening standards in the MML zone
- 23.50A.188 - Additional screening standards and landscaping requirements for specific uses in the UI, II, and IC zones
- 23.50A.190 - Screening and location of parking in an II 85-240 zone
- 23.50A.200 - View corridors
- 23.50A.220 - Venting standards
- 23.50A.240 - Odor sources standards
- 23.50A.260 - Light and glare standards
- 23.50A.280 - Mandatory housing affordability (MHA)
- 23.50A.300 - Major Phased Development
- 23.50A.320 - Water quality—Best management practices
- 23.50A.340 - Parking and loading areas
- 23.50A.360 - Transportation management programs in the Industry and Innovation zone
- 23.50A.380 - Nonconformity to development standards
CHAPTER 23
52 - TRANSPORTATION CONCURRENCY, AND TRANSPORTATION IMPACT MITIGATION
Sections
- Subchapter I - Transportation Level-of-Service Project Review System[11]
- Subchapter II - Transportation Impact Mitigation
CHAPTER 23
53 - REQUIREMENTS FOR STREETS, ALLEYS, AND EASEMENTS
Sections
- 23.53.002 - Scope of provisions
- 23.53.003 - Accessory dwelling units exempt from public street improvements
- 23.53.004 - Requirements and design criteria
- 23.53.005 - Access to lots
- 23.53.006 - Pedestrian access and circulation
- 23.53.010 - Improvement requirements for new streets in all zones
- 23.53.015 - Improvement requirements for existing streets in residential and commercial zones
- 23.53.020 - Improvement requirements for existing streets in industrial zones
- 23.53.025 - Access easement standards
- 23.53.030 - Alley improvements in all zones
- 23.53.035 - Structural building overhangs and minor architectural encroachments
CHAPTER 23
54 - QUANTITY AND DESIGN STANDARDS FOR ACCESS, OFF-STREET PARKING, AND SOLID WASTE STORAGE12
Sections
- 23.54.015 - Required parking and maximum parking limits
- 23.54.016 - Major Institutions—parking and transportation
- 23.54.020 - Parking quantity exceptions
- 23.54.025 - Off-site required parking
- 23.54.026 - Flexible-use parking
- 23.54.027 - Public use of accessory parking
- 23.54.030 - Parking space and access standards
- 23.54.035 - Loading berth requirements and space standards
- 23.54.040 - Solid waste storage, access, and collection
CHAPTER 23
55 - SIGNS
Sections
- Part 1 - General Standards for All Zones
- 23.55.001 - Intent.
- 23.55.002 - Scope of provisions
- 23.55.003 - Signs prohibited in all zones
- 23.55.004 - Signs projecting over public rights-of-way.
- 23.55.005 - Video display methods
- 23.55.008 - Signs near intersections or driveways.
- 23.55.012 - Temporary signs permitted in all zones.
- 23.55.014 - Off-premises signs.
- 23.55.015 - Sign kiosks and community bulletin boards
- 23.55.016 - Light and glare from signs.
- Part 2 - Standards for Specific Zones
- 23.55.020 - Signs in neighborhood residential zones
- 23.55.022 - Signs in multifamily zones
- 23.55.024 - Signs in residential commercial (RC) zones.
- 23.55.028 - Signs in NC1 and NC2 zones
- 23.55.030 - Signs in NC3, C1, C2 and SM zones
- 23.55.032 - Signs in the Sand Point Overlay District
- 23.55.034 - Signs in downtown zones
- 23.55.036 - Signs in IB, IC, IG1 and IG2 zones
- 23.55.040 - Special exception for signs in commercial and downtown zones
- 23.55.042 - Off-premises and business signs adjacent to certain public highways.
- Part 3 - Appeals
- Part 4 - Seattle Center Sign Overlay District
- 23.55.052 - Seattle Center sign overlay district purpose and intent
- 23.55.054 - Seattle Center Sign Overlay District and Overlay District subareas established
- 23.55.056 - Application of regulations
- 23.55.057 - Sponsorship signs
- 23.55.058 - Arena Subarea—Overlay District sign standards
- 23.55.060 - Bressi Block Subarea—Overlay District sign standards
- 23.55.062 - Center Campus Subarea—Overlay District sign standards
- Part 5 - Standards for light rail transit facilities signs
CHAPTER 23
57 - COMMUNICATIONS REGULATIONS
Sections
- Subchapter I - General Provisions
- Subchapter II - Major Communication Utilities
- Subchapter III - Minor Communication Utilities and Accessory Communication Devices
- 23.57.009 - Permitted and prohibited locations for all minor communication utilities, and development standards for minor communication utilities with freestanding transmission towers in all zones.
- 23.57.010 - Neighborhood Residential zones
- 23.57.011 - Multifamily zones and Master Planned Community zones
- 23.57.012 - Commercial zones
- 23.57.013 - Downtown zones
- 23.57.014 - Special review, historic and landmark districts.
- 23.57.015 - Industrial zones.
- 23.57.016 - Visual impacts and design standards.
CHAPTER 23
58A - INCENTIVE PROVISIONS
Sections
- Subchapter I - General provisions
- Subchapter II - Extra residential floor area
- Subchapter III - Extra Nonresidential Floor Area
- Subchapter IV - Extra Floor Area in Zones with an Incentive Zoning Suffix[15]
- Subchapter V - Provisions for Extra Residential and Nonresidential Floor Area
CHAPTER 23
58B - AFFORDABLE HOUSING IMPACT MITIGATION PROGRAM FOR COMMERCIAL DEVELOPMENT
Sections
- 23.58B.005 - Purpose
- 23.58B.010 - Intent for implementation
- 23.58B.015 - Scope of provisions
- 23.58B.020 - Applicability and general requirements
- 23.58B.025 - Permit documentation
- 23.58B.030 - Modification of payment/performance amounts
- 23.58B.040 - Mitigation of impacts—Payment option
- 23.58B.050 - Mitigation of impacts—Performance option
- 23.58B.055 - Approved and vested projects - election to participate
- 23.58B.060 - Definitions
CHAPTER 23
58C - MANDATORY HOUSING AFFORDABILITY FOR RESIDENTIAL DEVELOPMENT
Sections
- 23.58C.005 - Intent for implementation
- 23.58C.010 - Purpose
- 23.58C.015 - Scope of chapter
- 23.58C.020 - Definitions
- 23.58C.025 - Applicability and general requirements
- 23.58C.030 - Permit documentation
- 23.58C.035 - Modification of payment and performance amounts
- 23.58C.040 - Affordable housing—Payment option
- 23.58C.050 - Affordable housing—Performance option
- 23.58C.055 - Approved and vested projects - election to participate
CHAPTER 23
60A - SEATTLE SHORELINE MASTER PROGRAM REGULATIONS
Sections
- Subchapter I: - Purpose and Policies
- Part 1 - Compliance
- 23.60A.010 - Shoreline District established
- 23.60A.012 - Inconsistent development prohibited
- 23.60A.014 - Liberal construction
- 23.60A.016 - Regulations supplemental
- 23.60A.018 - Non-regulated actions
- 23.60A.020 - Permits and exemptions
- 23.60A.022 - Application when development partly out of Shoreline District
- 23.60A.024 - Development of lots split into two or more shoreline environments
- 23.60A.026 - Fee schedule
- 23.60A.027 - Habitat Evaluation Procedures
- 23.60A.028 - Payment for habitat units
- Part 2 - Criteria for Application Review
- 23.60A.030 - Criteria for obtaining shoreline substantial development permits, special use authorizations, shoreline conditional use permits and shoreline variance permits
- 23.60A.032 - Criteria for special use approvals
- 23.60A.034 - Criteria for shoreline conditional use permits
- 23.60A.036 - Criteria for shoreline variance permits
- 23.60A.038 - Criteria for Council conditional use approvals
- 23.60A.041 - Criteria for relief for property impacted by shift in shoreline location
- 23.60A.042 - Criteria for shoreline environment redesignation
- 23.60A.043 - Criteria for determining an action to be infeasible
- Part 3 - Procedures
- 23.60A.060 - Procedures for shoreline environment redesignations
- 23.60A.062 - Procedures for determining consistency with the chapter and for obtaining exemptions from shoreline substantial development permit requirements
- 23.60A.063 - Procedures for obtaining shoreline substantial development permits, shoreline special use approvals, shoreline conditional use permits and shoreline variance permits
- 23.60A.064 - Procedure for limited utility extensions and bulkheads
- 23.60A.065 - Procedures for relief for property impacted by shift in shoreline location
- 23.60A.066 - Procedure and criteria for determining feasible alternative locations
- 23.60A.067 - Procedure for Council conditional use authorization
- 23.60A.068 - Procedure for phasing of developments
- 23.60A.069 - Procedures for shoreline design review
- 23.60A.070 - Decisions transmitted to State of Washington
- 23.60A.071 - Appeals
- 23.60A.072 - Commencement of construction
- 23.60A.074 - Effective date of shoreline substantial development permits and time limits for permit validity
- 23.60A.076 - Revisions to permits
- 23.60A.078 - Rescission
- 23.60A.082 - Enforcement
- Part 1 - Use Standards
- Part 2 - Nonconforming Uses and Structures
- Part 3 - Development Standards
- 23.60A.150 - Applicable standards
- 23.60A.152 - General development
- 23.60A.154 - Standards for archaeological and historic resources
- 23.60A.155 - Best management practices for over-water uses and structures
- 23.60A.156 - Standards for environmentally critical areas in the Shoreline District
- 23.60A.157 - Essential public facilities
- 23.60A.158 - Standards for mitigation sequencing
- 23.60A.159 - Standards for ecological restoration location and ecological mitigation location
- 23.60A.160 - Standards for priority habitat protection
- 23.60A.162 - Standards for parking and loading zones
- 23.60A.164 - Standards for regulated public access
- 23.60A.166 - Standards for developments in public rights-of-way
- 23.60A.167 - Standards for shoreline setbacks
- 23.60A.168 - Standards for lot boundary adjustments, short subdivisions and subdivisions
- 23.60A.170 - Standards for view corridors
- Part 4 - Standards Applicable to Shoreline Modifications
- 23.60A.172 - Applicable standards for shoreline modifications
- 23.60A.174 - Standards for artificial reefs
- 23.60A.175 - Standards for boat launch and landing facilities
- 23.60A.176 - Standards for breakwaters, jetties, groins and weirs
- 23.60A.182 - Standards for dredging
- 23.60A.184 - Standards for fill
- 23.60A.185 - Standards for grading, landfill and slope stabilization
- 23.60A.186 - Standards for mooring buoys, mooring piles and floating dolphins
- 23.60A.187 - Standards for piers and floats and overwater structures
- 23.60A.188 - Standards for shoreline stabilization
- 23.60A.190 - Standards for vegetation and impervious surface management
- Part 5 - Standards Applicable to Specific Uses
- 23.60A.192 - Applicable standards for specific uses
- 23.60A.193 - Standards for agriculture
- 23.60A.194 - Standards for aquaculture
- 23.60A.196 - Standards for bridges over water and tunnels
- 23.60A.198 - Standards for drive-in businesses
- 23.60A.199 - Standards for intakes and outfalls
- 23.60A.200 - Standards for marinas, commercial and recreational
- 23.60A.202 - Standards for floating homes and floating home moorages
- 23.60A.203 - Standards for floating on-water residences
- 23.60A.204 - Floating structures and standards for house barges
- 23.60A.206 - Standards for residences other than floating homes, floating on-water residences, house barges, and vessels containing dwelling units
- 23.60A.207 - Standards for uses in public facilities
- 23.60A.208 - Standards for railroads
- 23.60A.209 - Standards for rail transit facilities
- 23.60A.210 - Standards for research, aquatic, scientific, historic, cultural and educational
- 23.60A.211 - Standards for restoration and enhancement
- 23.60A.212 - Standards for signs
- 23.60A.213 - Standards for streets
- 23.60A.214 - Standards for vessels containing dwelling units
- 23.60A.215 - Standards for uses on vessels
- 23.60A.217 - Standards for utility lines
- 23.60A.219 - Standards for yacht, boat and beach clubs
- Subchapter IV: - Shoreline Environments
- Subchapter V: - The Conservancy Management (CM) Environment
- Part 1 - Uses
- Part 2 - Development Standards
- Subchapter VI: - The Conservation Navigation (CN) Environment
- Part 1 - Uses
- Part 2 - Development Standards
- Subchapter VII: - The Conservancy Preservation (CP) Environment
- Part 1 - Uses
- Part 2 - Development Standards
- Subchapter VIII: - The Conservancy Recreation (CR) Environment
- Part 1 - Uses
- Part 2 - Development Standards
- Subchapter IX: - The Conservation Waterway (CW) Environment
- Part 1 - Uses
- Part 2 - Development Standards
CHAPTER 23
61 - STATION AREA OVERLAY DISTRICT
Sections
- 23.61.002 - Purpose and intent.
- 23.61.004 - Station Area Overlay District established.
- 23.61.006 - Application of Regulations
- 23.61.008 - Prohibited uses
- 23.61.012 - Residential structures
- 23.61.014 - Nonconforming uses
- 23.61.016 - Development agreements
- 23.61.018 - Provisions applicable to Mount Baker Station Area Overlay District
CHAPTER 23
66 - SPECIAL REVIEW DISTRICTS
Sections
- Subchapter I - General Provisions
- 23.66.010 - Establishment of special review districts.
- 23.66.015 - Procedure to establish, alter or abolish special review districts.
- 23.66.018 - Director of the Department of Neighborhoods
- 23.66.020 - Special review boards
- 23.66.025 - Use and development standards.
- 23.66.030 - Certificates of approval—Application, review and appeals
- 23.66.032 - Contributing structures; determination of architectural or historic significance
- 23.66.035 - Other land use decisions.
- 23.66.040 - Enforcement and penalties.
- 23.66.050 - Departure from Land Use Code requirements
- Subchapter II - Pioneer Square Preservation District
- 23.66.100 - Creation of district, legislative findings and purpose
- 23.66.110 - Responsible agency
- 23.66.115 - Demolition approval
- 23.66.120 - Permitted uses
- 23.66.122 - Prohibited uses
- 23.66.124 - Uses subject to special review
- 23.66.130 - Street-level uses
- 23.66.132 - Council conditional uses.
- 23.66.140 - Height
- 23.66.150 - Structure setbacks
- 23.66.155 - Waiver of common recreation area requirements.
- 23.66.160 - Signs
- 23.66.170 - Parking and access
- 23.66.180 - Exterior building design.
- 23.66.190 - Streets and sidewalks.
- Subchapter III - International Special Review District
- 23.66.302 - International Special Review District goals and objectives
- 23.66.304 - International District Mixed (IDM) Zone goals and objectives.
- 23.66.306 - International District Residential (IDR) Zone goals and objectives
- 23.66.308 - International District preferred uses east of Interstate 5
- 23.66.310 - Union Station Corridor goals and objectives
- 23.66.312 - Composition of the Special Review Board.
- 23.66.314 - Staff support for the Special Review Board.
- 23.66.316 - Decision on certificate of approval.
- 23.66.318 - Demolition approval
- 23.66.320 - Permitted uses
- 23.66.322 - Prohibited uses
- 23.66.324 - Uses subject to special review
- 23.66.326 - Street-level uses
- 23.66.328 - Uses above street level
- 23.66.332 - Height and rooftop features
- 23.66.334 - Streets and sidewalks
- 23.66.336 - Exterior building finishes
- 23.66.338 - Signs
- 23.66.340 - Minimum maintenance.
- 23.66.342 - Parking and access
CHAPTER 23
67 - SOUTHEAST SEATTLE REINVESTMENT AREA
Sections
- 23.67.010 - Purpose and intent.
- 23.67.020 - Establishment of Southeast Seattle Reinvestment Area (SESRA).
- 23.67.030 - Application of regulations.
- 23.67.040 - Southeast Seattle Reinvestment Area-Rezones for boundary changes.
- 23.67.050 - Use restrictions—Prohibited uses.
- 23.67.060 - Public notice requirements for rezone applications
CHAPTER 23
69 - MAJOR INSTITUTION OVERLAY DISTRICT
Sections
- Subchapter I - Establishment of Overlay District
- Subchapter II - Use Provisions
- Subchapter IV - Development Standards
- Subchapter V - Uses Outside a Major Institution Overlay District
- Subchapter VI - Procedures
- 23.69.024 - Major Institution designation
- 23.69.025 - Intent of Major Institution master plans.
- 23.69.026 - Determination to prepare a master plan
- 23.69.028 - Major Institution master plan-General provisions.
- 23.69.030 - Contents of a master plan
- 23.69.032 - Master plan process
- 23.69.033 - Approval of master use permits prior to master plan adoption
- 23.69.034 - Effect of master plan adoption
- 23.69.035 - Changes to master plan
- 23.69.036 - Master plan renewal.
CHAPTER 23
70 - MOBILE HOME PARK OVERLAY DISTRICT
Sections
- 23.70.002 - Purpose and intent
- 23.70.004 - Mobile Home Park Overlay District established
- 23.70.006 - General provisions
- 23.70.008 - Permitted and prohibited uses
- 23.70.010 - Development standards for residential uses
- 23.70.012 - Development standards for non-residential uses
- 23.70.014 - Signs
- 23.70.016 - Communication utilities
- 23.70.018 - Applicability of Chapter 23.58B and Chapter 23.58C
- 23.70.020 - Expiration of overlay
CHAPTER 23
71 - NORTHGATE OVERLAY DISTRICT
Sections
- Subchapter I - Establishment of Overlay District
- Subchapter II - Development Standards
- 23.71.007 - Substantial development.
- 23.71.008 - Development along major pedestrian streets.
- 23.71.010 - Green streets.
- 23.71.012 - Special landscaped arterials
- 23.71.014 - Open space
- 23.71.018 - Transportation management program
- 23.71.020 - Development Agreements.
- 23.71.030 - Development standards for transition areas within the Northgate Overlay District
- 23.71.036 - Maximum width and depth of structures
- 23.71.038 - Definition of mixed-use development within the Northgate Overlay District.
- 23.71.042 - Standards for commercial-only structures in Residential/Commercial zones within the Northgate Overlay District.
- 23.71.044 - Standards for residential uses in commercial zones within the Northgate Overlay District
CHAPTER 23
72 - SAND POINT OVERLAY DISTRICT
Sections
- Subchapter I - Establishment of Overlay District
- Subchapter II - Use and Development Standards
CHAPTER 23
73 - PIKE/PINE CONSERVATION OVERLAY DISTRICT17
Sections
- Subchapter I - Establishment of Overlay District
- Subchapter II - Use and Development Standards
- 23.73.008 - Street-level uses
- 23.73.009 - Floor area
- 23.73.010 - Floor area limits outside the Conservation Core
- 23.73.012 - Structure width and depth limits
- 23.73.014 - Height exceptions
- 23.73.015 - Retention and demolition of character structures
- 23.73.016 - Amenity area
- 23.73.018 - Location of Parking
- 23.73.024 - Transfer of development potential
CHAPTER 23
74 - STADIUM TRANSITION AREA OVERLAY DISTRICT
Sections
- Subchapter I - Establishment of Overlay District
- Subchapter II - Uses and Development Standards
CHAPTER 23
75 - MASTER PLANNED COMMUNITIES
Sections
- Subchapter 1 - Purpose and intent
- Part 1 - General
- Part 2 - Use provisions and limits
- 23.75.040 - Aggregate standards and allocations
- 23.75.050 - Permitted uses
- 23.75.060 - Prohibited uses
- 23.75.070 - Conditional uses
- 23.75.080 - Street-level uses
- 23.75.085 - Residential floor area limits; affordable housing incentive
- 23.75.090 - Nonresidential floor area limits
- 23.75.095 - Maximum size of use
- Part 3 - Development standards
- 23.75.100 - Structure height
- 23.75.110 - Rooftop features
- 23.75.120 - Limitations on highrise structures
- 23.75.130 - Maximum width of regulated facade
- 23.75.140 - Setbacks and projections
- 23.75.145 - Façade articulation
- 23.75.150 - Residential amenity areas
- 23.75.160 - Landscaping, street trees, and tree protection
- 23.75.170 - Street-level development standards
- 23.75.180 - Parking