Street Improvement Permits

Please Note:

In May 2018, we launched a new online portal to pay permit use fees and issuance fees. Since that time, we've received lots of great feedback, which we have been working to implement. Beginning July 9, you will be able to search for permits not only by permit number, but by customer/company ID, customer/company name, and permit address. You will also be able to see the review and inspection status of permits. Check out our one-page informational document with more information about these new search features.

Click here to visit our new online payment portal. If you have any questions, please contact us at

In Addition:

The City of Seattle is still experiencing a high volume of construction applications for both private and public projects. Traffic Control Plan (TCP) reviews have extended beyond typical timelines, which is directly impacting timelines for Right-of-Way (ROW) Management permits. This is a temporary impact, improving as more resources become available and processes are streamlined.

Right now, the below timelines can be expected. These timelines may vary based on the complexity of the project.

  • ROW Management permit intake and screening timeline: 4 business days
  • ROW Management permit timeline without TCP: 4 weeks
  • ROW Management permit timeline with TCP: 12 weeks
  • Traffic Control Plan (TCP) reviews: 10 weeks

Click here to view our one-page informational document. 

Holiday Construction Moratorium

The Holiday Construction Moratorium restricts construction work during winter holidays in streets and sidewalks in the Downtown Retail Core, Pioneer Square, and in the Chinatown-International District. The moratorium in the Chinatown-International District was added in 2018 in recognition of the Lunar New Year.

Information on the Holiday Construction Moratorium is available in CAM 2107: Holiday Construction Moratorium.

Holiday Construction Moratorium dates for 2018 - 2019:

  • Downtown/Pioneer Square: November 22, 2018 (Thanksgiving) through January 1, 2019 (New Year's Day)
  • Chinatown/International District: January 15, 2019 through February 26, 2019 (three weeks prior to the Lunar New Year and three weeks after the holiday)

Click here to view the moratorium boundaries for the Downtown Retail Core and Pioneer Square

Click here to view the moratorium boundaries for the Chinatown-International District. 

If you are planning to perform work in the public right of way within the moratorium boundaries during these days, please submit a Request to Work During the Holiday Construction Moratorium form.

Deadline for submitting requests:

  • Downtown Retail Core and Pioneer Square:
    • Priority Submittal Deadline: August 31, 2018
    • Final Submittal Deadline: September 30, 2018
  • Chinatown-International District:
    • Final Submittal Deadline: December 1, 2018

Submit moratorium exception requests for Street Improvement Permits by emailing the project manager.

When are Street Improvement Permits (SIPs) required?

A newly restored sidewalk along a street.The Street Improvement Permitting group builds on reviews done by our Development Review Program. There are two instances in which street-improvement permit are required:

  • Title 23 of Seattle Municipal Code dictates that certain types and sizes of development projects require that additional improvements be made to the right of way. These may involve direct improvements to the street, sidewalk, and/or planting strip, or installation of public utilities to serve the area.
  • Others choosing to voluntarily install street improvements will also need to obtain a SIP prior to improving the public right of way

When Title 23 requirements are triggered, required street improvements may include, but are not limited to, installations such as new street pavement panels, new sidewalks, or plantings.

A crew conducts work on a pipe in a roadway.

Apply for a Street Improvement Permit

Download our Street Improvement permit application if you are ready to begin.

Depending on the stage of your SIP-related project, you may also need to access and submit the following materials:

Title Block Materials

Standard Notes

Other Plan Resources

The following client-assistance memos (CAMs) pertain to various specific SIP processes and project types:

CAM 2102 Certificate of Public Liability Property Damage Insurance

CAM 2200 Street Improvement Permitting (SIP) Process

CAM 2201 90% Complete Street Improvement Permit (SIP) Plan Requirements

CAM 2203 Dedication Requirements for Construction in Public Rights of Way

CAM 2204 Driveways and Curb Cuts

CAM 2205 Interpreting Pavement Opening and Restoration

CAM 2206 Interdepartmental Permit Coordination for New Construction Projects

CAM 2207 Skybridge Petition Checklist

CAM 2208 Sidewalk Repair

CAM 2209 Permitting Requirements for Street Improvements

CAM 2211 Street Improvement Permitting (SIP) Design Guidance

CAM 2212 Base Map and Survey Requirements for Street Improvement Permitting (SIP) Plans

CAM 2213 60% Complete Street Improvement Permit (SIP) Plan Approval

CAM 2214 90% Street Improvement Permitting (SIP) Plan Intake Appointment and 90% Complete SIP Acceptance Processes

CAM 2216 SDOT Street Improvement Permitting (SIP) Pre-Construction Process

CAM 2217 SDOT Street Improvement Permitting (SIP) Inspections

To access other CAMs that may assist you with your overall project, please visit our Street Use reference documents page.