Commercial TI Permits

Applications & Checklists

Building Permit Application (PDF) - Use this application to apply for a building permit to do tenant improvement work.

Tenant Improvement (Interior Only) Permit Checklist (PDF) - To be used for interior commercial tenant improvement work only.

For related trade permits or other related permits, please go to the Mechanical, Plumbing & Electrical or Other Permits pages.

Additional Forms & Requirements

• Site Plan: General Requirements
• Supplemental Building Information (PDF) - Submit this with the Building Permit application if there is a change of use, change of tenant, or change in square footage.
• Supplemental Plumbing Information (PDF) - Submit this with the Building Permit application or Plumbing Permit application if plumbing fixtures will be installed, relocated or replaced. It helps give us an idea of the type of plumbing work that is to occur.
• Supplemental Mechanical Information (PDF) - Submit this with the Building Permit application or Mechanical Permit application if mechanical appliances will be installed, relocated or replaced. It helps give us an idea of the type of mechanical work that is to occur.
• Express Permit Qualifications (PDF)
• Revisions and Additional Information Submittal form (PDF): Use this form when submitting revisions or additions to documents that have already been reviewed.
• Owner as Contractor form (PDF) Use this form if you are doing your own work instead of using a licensed contractor.
• Commercial energy forms are available courtesy of the Northwest Energy Efficiency Council.

NOTICE: a number of these forms and documents are available in Adobe Acrobat PDF  format. It is recommended you 

download Adobe Acrobat Reader