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Tenant Improvements
Tenant Improvement Blueprint

Permit Required

Tenant improvement permits are required any time a commercial tenant space is altered. This includes but is not limited to adding, removing and moving walls. If you are not sure if you require a permit, please contact the Permit Center at 425-837-3100.

Submittal Overview
  1. Gather all documents as required per the Tenant Improvement Submittal Requirement Packet (see below)
  2. Save all documents in PDF format per the Electronic Plan Requirements
  3. Visit to to apply

Application Steps

We process tenant improvements as a combo permit, meaning all mechanical, plumbing and building permits are combined into one application and permit. If you are a plumbing or mechanical sub-contractor, please make sure your plans were included in the tenant improvement building permit set. Contact the Permit Center if you are not sure.

Step 1: Prepare Your Documents
Submittal Requirements

Required Forms
Supplemental Forms

Additional Information

Step 2: Apply Online
After gathering all your documents, visit to apply.

Step 3: Pay Intake Fee
All fees are invoiced through Invoices less than $2,000 may be paid online with a credit card. Otherwise mail or bring a check to the Permit Center within three days of invoice.

Step 4: Plan Review
During this stage our staff will review your project and send correction items back if required. See our Average Review Times report for historical averages.

Step 5: Resubmittal (if required)
Resubmittals and revisions must be submitted via your dashboard on See our Resubmittal Instructions handout for more information on how to respond.

Step 6: Fee Payment and Issuance
You will receive an invoice through when your permit has been approved. See our Tenant Improvement Fee Estimator* for more information. Additional fees or permits may be required depending on your scope of work. 

Amounts under $2,000 are accepted via Credit Card on Only cash or check is accepted in the Permit Center.

The fees calculated or listed on this site are an example of the most common tenant improvement projects, and are for information purposes only. They are not a substitute for current codes and regulations.

Step 7: Inspections
To learn more, see our inspection information page.

Step 8: Certificate of Occupancy
Bring your completed and signed-off permit card to the Permit Center for your Certificate of Occupancy. No fee is required for this service.