New Construction / Addition

This permit is required for all new non-residential and multi-family construction additions. 

Process Overview

Visit our Process Overview page to learn how the process flows from application to occupancy

Submittal Requirements

• Review the Commercial and Multifamily New Construction and Addition Submittal Requirements packet for a full list of required documents and materials and procedures.
• Review the PDF File Format Requirements for instructions on how to prepare your PDF files
• Review Soils Report Requirements

Required Forms

The documents listed below are the minimum necessary to proceed with the application process.

• King County Sewer Use Certification Form
• Land Use Condition Compliance List
• Landscape Irrigation Water Budgeting Requirements
• Non-Residential Energy Code Forms (external link - requires sign-in)
• Utility Service Application

Apply Online

You must apply for this permit online through MyBuildingPermit.com. We will not accept paper applications or plans.

• Apply Online
• Check Permit Status
• Request Inspections

Fees*

Fees listed below are general fees that are applied to the most common projects. Additional fees including outside, third party, and hourly review may apply. See your Land Use or SEPA notice of decision for possible additional requirements. Deposits may be required.

• Non-Residential Fee Schedule

*This information is a general guide and should not be used as a substitute for current codes and regulations.

Review Times

See the Target Review Times Handout. Scope and project complexity may affect review times.