| Zone |
Standard Street
Right-of-Way1 |
Minimum Street
Right-of-Way2 |
Standard Roadway Width 3 |
| SF, LDT, L1 , NC1 |
50 feet |
40 feet |
25 feet |
| Mid-Density Residential and Mixed Commercial/ Residential |
| Zone |
Standard Street
Right-of-Way1 |
Minimum Street
Right-of-Way2 |
Standard Roadway Width 3 |
| L2, NC2-30, NC2-40 |
60 feet |
40 feet |
32 feet |
| L3, L4, NC2-65 |
60 feet |
52 feet |
32 feet |
| High-Density Residential and Mixed Commercial/Residential and Industrial 1 |
| Zone |
Standard Street
Right-of-Way1 |
Minimum Street
Right-of-Way2 |
Standard Roadway Width 3 |
| NC3, MR, HR |
60 feet |
52 feet |
36 feet |
| C1, C2, IB, IC |
66 feet |
52 feet |
40 feet |
| IG1, IG2 |
66 feet |
56 feet |
40 feet |
1 If a project is on a block which is split into more than one land use zone category, the zone category with the most frontage determines the minimum width required. If the land use categories have equal frontage, the one with the greater requirement shall be used to determine the minimum street width.
2If the street has greater than the minimum right-of-way width the applicant is required to add a sidewalk, drainage and landscaping, per the site specific zoning. Minimum right-of-way width requirements are identified in Chapter 23.53.015 of the Seattle Municipal Code. Pedestrian access and circulation requirements are identified in the sidewalk code changes.
3 This width is the standard curb-to-curb design width of a fully improved street. If full street improvements are not constructed, the resultant interim pavement width may be less than this standard.
Where the existing right of way width is less than the width shown in the table above a right of way dedication or setback and No-Protest Agreement is required.
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