03 RESIDENTIAL DISTRICTS
Slope Class | Allowable Density (DU/Acre) | Amount of Open Space Required |
|---|---|---|
Greater than 25% | 0.05 (1 du/20 ac) | 60% |
15.1% to 25% | 0.10 (1 du/10 ac) | 50% |
10% to 15% | 0.20 (1 du/5 ac) | 35% |
Less than 10% | 0.40 (1 du/2.5 ac) | n/a |
Lot Size | Standards |
|---|---|
Under 40,000 s.f. | R2 district standards |
40,000 s.f. or greater | R1 district standards |
Slope Class | Allowable Density (DU/Acre) | Minimum Amount of Open Space Required |
|---|---|---|
Greater than 25% | 0.10 (1 du/10 ac) | 60% |
15.1% to 25% | 0.25 (1 du/4 ac) | 50% |
10% to 15% | 0.50 (1 du/2 ac) | 35% |
Less than 10% | 1.00 (1 du/ac) | n/a |
Lot Size | Standards |
|---|---|
Less than 20,000 s.f. | R-3 district standards |
20,000 s.f. to 40,000 s.f. | R-2 district standards |
40,000 s.f. or greater | R-1 district standards |
Slope Class | Standards |
|---|---|
15.1—25% | Padded building sites may be allowed, but maximum use of custom foundations and split level designs shall be employed to reduce the need for large, padded building areas. |
Above 25% | Mass grading is not permitted. Special hillside architectural and design techniques are expected in order to conform to the natural landform. Homes constructed on lots within this terrain shall use custom, multiple-level foundations. |
For all areas | All graded areas shall be protected from wind and water erosion through acceptable slope stabilization methods such as planting, walls or jute netting. |
Table 9.03.040-6 Residential Site Development Standards Single-Family Standards | ||||||||
|---|---|---|---|---|---|---|---|---|
Requirement | R1 | R2 | RA2 | R3 | R5 | RS10 | ||
1. | Maximum density (DUs* per net acre) | 1 | 2 | 2 | 3 | 5 | 10 | |
2. | Minimum lot size (sq. ft. net area) | 40K** | 20K | 20K | 10K | 7,200 | 4,500 | |
3. | Minimum lot width, in feet | 150 | 100 | 100 | 90 | 70 | 45 | |
Cul-de-sac/knuckle lot frontage | 50 | 50 | 50 | 50 | 50 | 45 | ||
4. | Minimum lot depth, in feet | 170 | 120 | 120 | 100 | 100 | 85 | |
5. | Minimum front yard setback | 25 | 25 | 25 | 25 | 20 | 20 | |
Front-facing garages | 10 | |||||||
Buildings other than front-facing garages | 10 | |||||||
6. | Minimum side yard setback, in feet*** | |||||||
a. | Interior side yard | See Note 1 | See Note 1 | See Note 1 | See Note 1 | See Note 2 | See Note 3 | |
b. | Street side yard | 20 | 20 | 20 | 15 | 15 | 10 | |
7. | Minimum rear yard setback, in feet*** | 40 | 35 | 35 | 30 | 15 | 15 | |
8. | Maximum lot coverage | 25% | 30% | 30% | 40% | 40% | 50% | |
9. | Maximum building and structure height, in feet | Two stories not to exceed 35 feet. | ||||||
10. | Minimum dwelling size (sq. ft.) | 1500 | 1500 | 1500 | 1250 | 1250 | 1000 | |
11. | Minimum distance between buildings, in feet (including main DUs and accessory structures) | 20 | 15 | 15 | 10 | 10 | 10 | |
12. | Floor area ratio | |||||||
a. | One-story home | 0.25 | 0.30 | 0.30 | 0.40 | 0.40 | 0.50 | |
b. | Multi-story home | 0.50 | 0.60 | 0.60 | 0.70 | 0.70 | 0.75 | |
Notes to Residential Site Development Standards Table 9.03.040-6. | |
|---|---|
* | The term "DUs" means dwelling units. |
** | The term "K" means thousands. |
*** | See Section 9.08.030 regarding accessory structures and room additions. |
1. | Combined interior side yard setbacks of 20 feet shall be provided with a minimum of five feet on one side. |
2. | Combined interior side yard setbacks of 15 feet shall be provided with a minimum of five feet on one side. |
3. | In the RS10 district the minimum street side setback shall be 10 feet. The interior side setback shall be five feet, except in the case of zero lot line developments with houses placed on an interior side lot line. When a house is placed on an interior side lot line, the other minimum side yard setback shall be 10 feet. Where applicable, an easement at least five feet in width shall be provided along the common lot line. The easement shall guarantee the right to use and occupy the easement for a roof overhang(s), stormwater drainage and for building maintenance and repair. |
4. | The minimum front yard setback from private streets within the R1, R2 and R3 districts shall be 55 feet measured from the center line of the street. The minimum front yard setback from private streets within the R5 district shall be 50 feet measured from the center line of said street. |
Table 9.03.040-7 Residential Site Development Standards Multifamily Standards | |||||
|---|---|---|---|---|---|
Requirement | R10 | R15 | R20 | R30 | |
1. | Maximum density (DUs*/net acre) | 10 | 15 | 20 | 30 |
2. | Minimum lot size (net area in sq. ft.)** | 1 acre | 1 acre | 1 acre | 1 acre |
3. | Minimum lot width in ft. | 200 | 200 | 200 | 200 |
4. | Minimum lot depth in ft. | 175 | 175 | 175 | 175 |
5. | Minimum front yard setback, in ft. | 20 | 25 | 30 | 30 |
6. | Minimum side yard setback, in ft. | ||||
Interior side yard | 10 | 10 | 10 | 10 ft. plus 2 ft. for every 5 ft. in height over 30 ft. | |
Street side yard | 20 | 20 | 20 | 20 | |
7. | Minimum rear yard setback, in ft. | 15 | 20 | 25 | 10 ft. plus 2 ft. for every 5 ft. in height over 30 ft. |
8. | Maximum lot coverage | 40% | 45% | 50% | 50% |
9. | Maximum building and structure height, in ft. | 50 feet | |||
10. | Minimum dwelling size (sq. ft.) | See Note 1 | |||
11. | Minimum distance between buildings, in ft. (including main DUs and accessory structures) | 20 | 20 | 20 | 20 |
12. | Floor area ratio | 0.75 | 0.75 | 0.75 | 1.0 |
NOTES: | |
|---|---|
* | The term "DUs" means dwelling units. |
** | Minimum lot size only applies to newly subdivided multifamily lots; existing lots can be developed under the multifamily development standards. |
Table 9.03.040-8 | ||
|---|---|---|
Designation | Minimum Density* | Maximum Density |
R10 | 8 units/acre | 10 units/acre |
R15 | 12 units/acre | 15 units/acre |
R20 | 16 units/acre | 20 units/acre |
R30 | 24 units/acre | 30 units/acre |
* | Eighty percent of allowable density must be achieved by all multiple-family residential developments. |
Number of Incentives/Concessions | Very Low Income Percentage | Lower Income Percentage | Moderate Income Percentage |
|---|---|---|---|
1 | 5% | 10% | 10% |
2 | 10% | 17% | 20% |
3 | 15% | 24% | 30% |
4 | 16% | 26% | 45% (for sale units) |
5 | 100% low/very low/mod (20% moderate allowed)* | 100% low/very low/mod (20% moderate allowed)* | 100% low/very low/mod (20% moderate allowed)* |
Note: |
|---|
If the project is located within one-half mile of a major transit stop, the applicant shall also receive a height increase of up to three additional stories, or 33 feet. |
Number of Bedrooms | Required Parking Spaces per Unit*,** |
|---|---|
0 to 1 bedroom | 1 |
2 to 3 bedrooms | 1.5 |
4 or more bedrooms | 2.5 |
Projects with at least 20% low-income units, or at least 11% very low income units*** | 0.5 |
100% affordable housing projects**** | No requirement |
NOTES: | |
|---|---|
* | If the total number of spaces required results in a fractional number, it shall be rounded up to the next whole number. |
** | If a residential or mixed residential/commercial development project includes the required percentage of low, very low income, or includes a minimum 10% transitional foster youth, veteran, or homeless persons units, or provides for-rent housing for individuals who are 62 years of age or older, or is a special needs housing development and is located within one-half mile of a major transit stop where there is unobstructed access to a major transit stop from the development, then, upon the request of the developer, a parking ratio not to exceed 0.5 spaces per bedroom shall apply to the residential portion of the development. |
*** | Must be located within one-half mile of a major transit stop, with unobstructed access to the major transit stop from the development. |
**** | Must be located within one-half mile of a major transit stop, with unobstructed access to the major transit spot from the development OR for individuals 62 years of age or older and has either paratransit service or unobstructed access within one-half mile, to fixed bus route service that operates at least eight times per day. |
03 RESIDENTIAL DISTRICTS
Slope Class | Allowable Density (DU/Acre) | Amount of Open Space Required |
|---|---|---|
Greater than 25% | 0.05 (1 du/20 ac) | 60% |
15.1% to 25% | 0.10 (1 du/10 ac) | 50% |
10% to 15% | 0.20 (1 du/5 ac) | 35% |
Less than 10% | 0.40 (1 du/2.5 ac) | n/a |
Lot Size | Standards |
|---|---|
Under 40,000 s.f. | R2 district standards |
40,000 s.f. or greater | R1 district standards |
Slope Class | Allowable Density (DU/Acre) | Minimum Amount of Open Space Required |
|---|---|---|
Greater than 25% | 0.10 (1 du/10 ac) | 60% |
15.1% to 25% | 0.25 (1 du/4 ac) | 50% |
10% to 15% | 0.50 (1 du/2 ac) | 35% |
Less than 10% | 1.00 (1 du/ac) | n/a |
Lot Size | Standards |
|---|---|
Less than 20,000 s.f. | R-3 district standards |
20,000 s.f. to 40,000 s.f. | R-2 district standards |
40,000 s.f. or greater | R-1 district standards |
Slope Class | Standards |
|---|---|
15.1—25% | Padded building sites may be allowed, but maximum use of custom foundations and split level designs shall be employed to reduce the need for large, padded building areas. |
Above 25% | Mass grading is not permitted. Special hillside architectural and design techniques are expected in order to conform to the natural landform. Homes constructed on lots within this terrain shall use custom, multiple-level foundations. |
For all areas | All graded areas shall be protected from wind and water erosion through acceptable slope stabilization methods such as planting, walls or jute netting. |
Table 9.03.040-6 Residential Site Development Standards Single-Family Standards | ||||||||
|---|---|---|---|---|---|---|---|---|
Requirement | R1 | R2 | RA2 | R3 | R5 | RS10 | ||
1. | Maximum density (DUs* per net acre) | 1 | 2 | 2 | 3 | 5 | 10 | |
2. | Minimum lot size (sq. ft. net area) | 40K** | 20K | 20K | 10K | 7,200 | 4,500 | |
3. | Minimum lot width, in feet | 150 | 100 | 100 | 90 | 70 | 45 | |
Cul-de-sac/knuckle lot frontage | 50 | 50 | 50 | 50 | 50 | 45 | ||
4. | Minimum lot depth, in feet | 170 | 120 | 120 | 100 | 100 | 85 | |
5. | Minimum front yard setback | 25 | 25 | 25 | 25 | 20 | 20 | |
Front-facing garages | 10 | |||||||
Buildings other than front-facing garages | 10 | |||||||
6. | Minimum side yard setback, in feet*** | |||||||
a. | Interior side yard | See Note 1 | See Note 1 | See Note 1 | See Note 1 | See Note 2 | See Note 3 | |
b. | Street side yard | 20 | 20 | 20 | 15 | 15 | 10 | |
7. | Minimum rear yard setback, in feet*** | 40 | 35 | 35 | 30 | 15 | 15 | |
8. | Maximum lot coverage | 25% | 30% | 30% | 40% | 40% | 50% | |
9. | Maximum building and structure height, in feet | Two stories not to exceed 35 feet. | ||||||
10. | Minimum dwelling size (sq. ft.) | 1500 | 1500 | 1500 | 1250 | 1250 | 1000 | |
11. | Minimum distance between buildings, in feet (including main DUs and accessory structures) | 20 | 15 | 15 | 10 | 10 | 10 | |
12. | Floor area ratio | |||||||
a. | One-story home | 0.25 | 0.30 | 0.30 | 0.40 | 0.40 | 0.50 | |
b. | Multi-story home | 0.50 | 0.60 | 0.60 | 0.70 | 0.70 | 0.75 | |
Notes to Residential Site Development Standards Table 9.03.040-6. | |
|---|---|
* | The term "DUs" means dwelling units. |
** | The term "K" means thousands. |
*** | See Section 9.08.030 regarding accessory structures and room additions. |
1. | Combined interior side yard setbacks of 20 feet shall be provided with a minimum of five feet on one side. |
2. | Combined interior side yard setbacks of 15 feet shall be provided with a minimum of five feet on one side. |
3. | In the RS10 district the minimum street side setback shall be 10 feet. The interior side setback shall be five feet, except in the case of zero lot line developments with houses placed on an interior side lot line. When a house is placed on an interior side lot line, the other minimum side yard setback shall be 10 feet. Where applicable, an easement at least five feet in width shall be provided along the common lot line. The easement shall guarantee the right to use and occupy the easement for a roof overhang(s), stormwater drainage and for building maintenance and repair. |
4. | The minimum front yard setback from private streets within the R1, R2 and R3 districts shall be 55 feet measured from the center line of the street. The minimum front yard setback from private streets within the R5 district shall be 50 feet measured from the center line of said street. |
Table 9.03.040-7 Residential Site Development Standards Multifamily Standards | |||||
|---|---|---|---|---|---|
Requirement | R10 | R15 | R20 | R30 | |
1. | Maximum density (DUs*/net acre) | 10 | 15 | 20 | 30 |
2. | Minimum lot size (net area in sq. ft.)** | 1 acre | 1 acre | 1 acre | 1 acre |
3. | Minimum lot width in ft. | 200 | 200 | 200 | 200 |
4. | Minimum lot depth in ft. | 175 | 175 | 175 | 175 |
5. | Minimum front yard setback, in ft. | 20 | 25 | 30 | 30 |
6. | Minimum side yard setback, in ft. | ||||
Interior side yard | 10 | 10 | 10 | 10 ft. plus 2 ft. for every 5 ft. in height over 30 ft. | |
Street side yard | 20 | 20 | 20 | 20 | |
7. | Minimum rear yard setback, in ft. | 15 | 20 | 25 | 10 ft. plus 2 ft. for every 5 ft. in height over 30 ft. |
8. | Maximum lot coverage | 40% | 45% | 50% | 50% |
9. | Maximum building and structure height, in ft. | 50 feet | |||
10. | Minimum dwelling size (sq. ft.) | See Note 1 | |||
11. | Minimum distance between buildings, in ft. (including main DUs and accessory structures) | 20 | 20 | 20 | 20 |
12. | Floor area ratio | 0.75 | 0.75 | 0.75 | 1.0 |
NOTES: | |
|---|---|
* | The term "DUs" means dwelling units. |
** | Minimum lot size only applies to newly subdivided multifamily lots; existing lots can be developed under the multifamily development standards. |
Table 9.03.040-8 | ||
|---|---|---|
Designation | Minimum Density* | Maximum Density |
R10 | 8 units/acre | 10 units/acre |
R15 | 12 units/acre | 15 units/acre |
R20 | 16 units/acre | 20 units/acre |
R30 | 24 units/acre | 30 units/acre |
* | Eighty percent of allowable density must be achieved by all multiple-family residential developments. |
Number of Incentives/Concessions | Very Low Income Percentage | Lower Income Percentage | Moderate Income Percentage |
|---|---|---|---|
1 | 5% | 10% | 10% |
2 | 10% | 17% | 20% |
3 | 15% | 24% | 30% |
4 | 16% | 26% | 45% (for sale units) |
5 | 100% low/very low/mod (20% moderate allowed)* | 100% low/very low/mod (20% moderate allowed)* | 100% low/very low/mod (20% moderate allowed)* |
Note: |
|---|
If the project is located within one-half mile of a major transit stop, the applicant shall also receive a height increase of up to three additional stories, or 33 feet. |
Number of Bedrooms | Required Parking Spaces per Unit*,** |
|---|---|
0 to 1 bedroom | 1 |
2 to 3 bedrooms | 1.5 |
4 or more bedrooms | 2.5 |
Projects with at least 20% low-income units, or at least 11% very low income units*** | 0.5 |
100% affordable housing projects**** | No requirement |
NOTES: | |
|---|---|
* | If the total number of spaces required results in a fractional number, it shall be rounded up to the next whole number. |
** | If a residential or mixed residential/commercial development project includes the required percentage of low, very low income, or includes a minimum 10% transitional foster youth, veteran, or homeless persons units, or provides for-rent housing for individuals who are 62 years of age or older, or is a special needs housing development and is located within one-half mile of a major transit stop where there is unobstructed access to a major transit stop from the development, then, upon the request of the developer, a parking ratio not to exceed 0.5 spaces per bedroom shall apply to the residential portion of the development. |
*** | Must be located within one-half mile of a major transit stop, with unobstructed access to the major transit stop from the development. |
**** | Must be located within one-half mile of a major transit stop, with unobstructed access to the major transit spot from the development OR for individuals 62 years of age or older and has either paratransit service or unobstructed access within one-half mile, to fixed bus route service that operates at least eight times per day. |