Step 3: Apply for Building Permit

Do I Need to Apply for a Building Permit for Additions to a Commercial Building?

Yes. All commercial projects that add square footage to an existing building require a building permit. The Building Safety Division can be contacted at 509-585-4561 for general information.

What Plans Do I Need to Provide to Have a Complete Submittal?

Generally, an application for a building permit includes:

(Note: Some plans or calculations may not always be necessary. You should contact the Building Safety Division for more specific information.)

When I Submit My Building Plans & Forms, Will I Need to Pay a Plan Review Fee?

A plan review fee is required at the time of submittal for all commercial projects. Please contact the Building Division at 509-585-4561 for the fee amount.

Where Do I Submit My Building Plans & Forms?

Online Permit Portal

In person-
Building Safety Division
City Hall
210 W 6th Avenue
Kennewick, WA 99336