58 SPECIFIC USE AND STRUCTURE REGULATIONS
Height Above Finished Grade or Floor Level | Permitted Encroachment |
|---|---|
≤ 12 inches above finished grade | May extend to property lines. |
> 12 inches and ≤ 30 inches above finished grade | 10 feet into required front and rear yards, 6 feet into side street side yards, and 2 feet into interior side yards. |
> 30 inches and ≤ floor level of first floor | 6 feet into required front and rear yards. |
> floor level of first floor | None allowed. |
Calculations resulting in a fraction shall be rounded to the nearest whole number with .50 being rounded up. | |
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Maximum building footprint area | 600 sf. |
Maximum lot coverage | 10% of the lot area or 1,000 sf, whichever is less, for all accessory buildings combined on a single lot. |
Maximum building height | 18 feet at top of ridge and 10 feet at top of wall. |
Minimum front yard setback | Same as specified for principal residential structure. |
Minimum interior side yard setback | 5 feet. |
Minimum side street side yard setback on a corner lot | Same as specified for principal residential structure if building permit required, otherwise 5 feet. |
Minimum rear yard setback | 5 feet. |
Minimum setback from "rear" lot line of a "through lot" | Same as specified for required front yard for principal residential structure if building permit required, otherwise 5 feet. |
Minimum setback from alley | 5 feet. Vehicle access points from garages, carports or fenced parking areas shall be set back from the alley property line to provide a straight-line separation of at least 22 feet from the access point to the opposite property line of the alley. No portion of the garage or the door in motion may cross the property line abutting the alley. |
Minimum separation from principal residential structure | 5 feet. Note: the building code may require additional separation based on construction design. |
Calculations resulting in a fraction shall be rounded to the nearest whole number with .50 being rounded up. | |
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Table 1: Parking Lot Lighting Standards | ||||
|---|---|---|---|---|
District 1 | District 2 | District 3 | District 4 | |
MUN and MUU Districts | NO and NC Districts | R-20, R-30, PROS and GC Districts | R-4, R-4-C, R-6, R-8 and R-10-TCD Districts | |
Mounting Height (Maximum)* | 25 ft. | 20 ft. | 20 ft. | Lighting Discouraged |
Minimum Illumination Level (at darkest spot on the parking area) | No less than 0.3 fc No more than 0.5 fc | No less than 0.2 fc No more than 0.3 fc | No less than 0.2 fc No more than 0.3 fc | Lighting Discouraged |
Uniformity Ratio** | 4:1 | 4:1 | 4:1 | Lighting Discouraged |
Minimum CRI*** | 20 | 65 | 70 | Lighting Discouraged |
* Mounting height is the vertical distance between the surface being illuminated and the bottom of the lighting fixture. |
** Uniformity ratio is the ratio of average illumination to minimum illumination. |
*** CRI is the Color Rendering Index. |
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Table 2: Security Lighting Standards | ||||
|---|---|---|---|---|
District 1 | District 2 | District 3 | District 4 | |
MUN and MUU Districts | NO and NC Districts | R-20, R-30, PROS and GC Districts | R-4, R-4-C, R-6, R-8 and R-10-TCD Districts | |
Mounting Height (Maximum)* | 25 ft. | 20 ft. | 20 ft. | Discouraged |
Average Horizontal Illumination Level on Ground | No more than 1.5 foot-candles | No more than 1.0 foot-candle | No more than 0.5 foot-candle | Discouraged |
Average Illumination Level on Vertical Surface | No more than 1.5 foot-candles | No more than 1.0 foot-candle | No more than 0.5 foot-candle | Discouraged |
Minimum CRI** | 20 | 65 | 70 | Discouraged |
* Mounting height is the vertical distance between the surface being illuminated and the bottom of the lighting fixture. |
** CRI is the Color Rendering Index. |
Residential (R-4, R-4-C, R-6, R-8, R-10-TCD, R-20, and R-30) | Recreation (PROS and GC) | Commercial and Mixed-Use (NC, MUN and MUU) | Commercial (NO) | |
|---|---|---|---|---|
EV Charging Station1 | P | P | P | P |
Rapid Charging Station2 | – | – | P | P |
Battery Exchange Station | – | – | P | – |
P: Allowed only as an accessory to an outright permitted or conditional use. |
Absence of P: Use is not permitted in that district. |
1: Level 1 and Level 2 charging only. |
2: Level 3 and fast charging are used interchangeably. |
Number of EV Charging Stations | Minimum Accessible EV Charging Stations |
|---|---|
1 – 50 | 1 |
51 – 100 | 2 |
101 – 150 | 3 |
Figure: Off-Street Accessible Electric Vehicle Charging Station – Option 1 ![]() |
Figure: Off-Street Accessible Electric Vehicle Charging Station – Option 2 ![]() |
![]() 12" x 12" |
![]() 12" x 6" |
![]() 12" x 18" |
![]() 12" x 18" |
Unit Size | Maximum: 1,500 square feet, excluding garage. Cottages may not exceed 1,000 square feet on the main floor. Any additions or increases in unit sizes after initial construction shall be subject to compliance with all cottage housing development standards. |
Maximum Density | 8 units per acre. |
Minimum Lot Size | None. Lot sizes shall be determined through administrative design review process. |
Maximum Floor Area Ratio (FAR) | 0.35. FAR is calculated using a site's buildable area, including private street area and excluding critical areas and their required associated buffers. FAR for individual lots may vary. See FMC § 22.58.026 for FAR standards. |
Development Size1 | Minimum: 3 units. Maximum: 24 units. Minimum cluster size: 6 units. Maximum cluster size: 12 units. Cottage clusters may be integrated into small lot developments where the combined number of cottage and small lot units may exceed 24. |
Minimum Setback for Yards Abutting the Exterior Boundary of the Development | See underlying zoning district. Required setbacks for yards not abutting an exterior boundary shall be determined through the administrative design review process. |
Maximum Impervious Surface Coverage | 50%. Coverage is calculated using a cottage housing site's entire buildable area, including private street area and excluding critical areas and their required associated buffers. |
Maximum Height for Dwellings | 27 feet (where minimum roof slope of 6:12 for all parts of the roof above 18 feet is provided). Otherwise, 18 feet. |
Maximum Height for Accessory Buildings | See FMC § 22.58.003. |
Maximum Developable Slope | 15% |
Open Space | A minimum 20% of the lot as common open space. 300 square feet private open space required per unit. See subsections (e)(2) and (3) of this section. |
Community Buildings | At least one community building shall be provided. See subsection (e)(4) of this section. |
Attached Covered Porches | Each unit must have a covered porch with a minimum area of 64 square feet and a minimum dimension of 8 feet. |
Parking Requirements | Maximum of 1 space per du if the total lot area is less than or equal to 6,000 sf. Maximum of 2 spaces per du if the total lot area is greater than 6,000 sf. Additional shared guest parking may not exceed 0.5 spaces per unit. |
Garage Requirements | Private garages: 250-square-foot maximum floor area. Shared garages: 1,200-square-foot maximum floor area. Front loaded garages shall be recessed ≥10 feet from the front facade of the cottage and their visual impact shall be minimized through the use of architectural design elements. |
Driveway Requirements | Driveways providing access to front loaded garages shall consist of paved runner strips or pervious surfacing approved by the city. |
Development Options | Subdivision, condominium, rental or ownership. |
Review Process | Administrative design review. See Chapter 22.66 FMC. |
1 Cluster size is intended to encourage a sense of community among residents. Homes within a cluster generally orient toward each other, community open space, or pathways and are not separated by roads or critical areas. A development site may contain more than one cluster provided there is a clear separation between clusters. Clusters shall be connected via pedestrian pathway(s). |
Unit Size | Maximum 800 square feet. |
Maximum Density | 8 units per acre for all cottages, carriage units, and two-/three-unit homes located within a cottage housing development. The number of carriage units and two-/three-unit homes combined shall not exceed 20% of the total number of units in a cottage housing project. Carriage units are allowed only when included in a cottage housing project. |
Minimum Lot Size | None. Determined through administrative design review process. |
Maximum Floor Area Ratio (FAR) | 0.35. FAR is calculated using a cottage housing site's buildable area, including private street area and excluding critical areas and their required associated buffers. See FMC § 22.58.026 for FAR standards. |
Minimum Setback for Yards Abutting the Exterior Boundary of the Development | See underlying zoning district. Required setbacks for yards not abutting an exterior boundary shall be determined through the administrative design review process. |
Maximum Height | 18 feet. |
Maximum Developable Slope | 15% |
Parking Requirements | 1 space per unit minimum. Must be provided on the subject property. Additional shared guest parking may not exceed 0.5 spaces per carriage unit. |
Garage Requirements | Carriage units allowed only above detached shared garages, which shall not exceed a 1,200-square-foot maximum footprint area. |
Review Process | Administrative design review. See Chapter 22.66 FMC. |
Unit Size | Average unit size: 1,000 square feet, excluding garage. Maximum structure total floor area: two-unit: 2,000 square feet, excluding garages. Three-unit: 3,000 square feet, excluding garages. |
Maximum Density | 8 units per acre for all cottages, carriage units, and two-/three-unit homes located within a cottage housing development. The number of carriage units and two-/three-unit homes combined shall not exceed 20% of the total number of units in a cottage housing project. Carriage units are allowed only when included in a cottage housing project. |
Minimum Lot Size | None. Determined through administrative design review process. |
Maximum Floor Area Ratio (FAR) | 0.35. FAR is calculated using a cottage housing site's buildable area, including private street area and excluding critical areas and their required associated buffers. See FMC § 22.58.026 for FAR standards. |
Minimum Setback for Yards Abutting the Exterior Boundary of the Development | See underlying zoning district. Required setbacks for yards not abutting an exterior boundary shall be determined through the administrative design review process. |
Maximum Height | 27 feet (where minimum roof slope of 6:12 for all parts of the roof above 18 feet is provided). Otherwise, 18 feet. |
Parking Requirements | Maximum of 1 space per du if the total lot area is less than or equal to 6,000 sf. Maximum of 2 spaces per du if the total lot area is greater than 6,000 sf. Additional shared guest parking may not exceed 0.5 spaces per unit. |
Garage Requirements | A two-unit home may include attached or detached garages, not to exceed an additional 500 square feet combined. A three-unit home may include attached or detached garages, not to exceed an additional 750 square feet combined. Front loaded attached garages shall be recessed ≥10 feet from the front facade of the principal structure and their visual impact shall be minimized through the use of architectural design elements. No more than three single garage doors may be visible on any facade. |
Driveway Requirements | Driveways providing access to front loaded garages shall consist of paved runner strips or pervious surfacing approved by the city. |
Development Options | Subdivision, condominium, rental or ownership. |
Review Process | Administrative design review. See Chapter 22.66 FMC. |
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