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Chapter 3
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Right-of-Way Improvement Requirements
3.1 Overview of Requirements from the Land Use Code (Ch. 23.53 & 23.22)

Using the Land Use Code

The City of Seattle Land Use Code (Chapter 23.53 of the Seattle Municipal Code) requires that streets adjacent and leading to lots being created, developed, or redeveloped, be improved or brought up to the minimum conditions specified in the Land Use Code and this Manual.  The Department of Planning and Development determines the required right-of-way improvements and the Department of Transportation reviews and permits the construction of those right-of-way improvements through the Street Improvement Permitting Process.

The street improvement requirements vary by location, by land use zones and by street types to reflect the intensity of development, the scale and character of the zone, and to provide a balance between the need to accommodate vehicular and pedestrian traffic and the desire to preserve existing neighborhood character. In addition to the requirements for street and alley improvements contained in the Land Use Code, additional street and alley improvements may be required through the environmental review process.

All required street improvements shall be constructed by the developer and accepted by the Department of Transportation prior to issuance of the final Certificate of Occupancy. A temporary Certificate of Occupancy may be issued prior to completion of street improvements when approved by the Director of Transportation.

Changes to the Land Use code can occur on an irregular basis and may affect the requirements necessary for your project.  It is the responsibility of the applicant to know and understand the development requirements.  

Coordination with SDOT Street Use

Where the street right-of-way or roadway width has not been previously established, it will be determined for a permit applicant by the SDOT upon request.

When new street improvements are required and the existing street right-of-way width does not meet the established width, additional street right-of-way shall be dedicated. There are circumstances where there is no requirement for the installation of curb, sidewalk, or pavement improvements.  When a curb already exists, a setback and No-Protest Agreement are permitted in lieu of a dedication and improvements. 

When the existing roadway or right-of-way is narrower than the required width standards, and no new pavement or curb improvements are required, a No-Protest Agreement shall be provided in lieu of roadway widening. Get more information on No Protest Agreements.

Resources:

DPD – 

Green Factor – 206 733 9668
Land Use planners – 206 684 8850
Land Use Code –   It is the responsibility of the applicant to understand and follow all of the development and improvement requirements.
SMC 23.53 – Requirements for Streets, Alleys and Easements

continue to section 3.2 »

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Detailed Table of Contents
Chapter 3
Right-of-Way Improvement Requirements
3.1 Overview of Requirements from the Land Use Code (Ch. 23.53 & 23.22)
3.2 Requirements for Streets, Alleys and Easements
3.3 Contact Information
   
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