New Construction / Addition

This permit is required for construction of single family / duplex new construction and additions.

Process Overview

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

Submittal Requirements

• Review the Single Family 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.

• Energy Code Forms (external link)
• King County Sewer Use Certification Form (if applicable)
• Landscape Irrigation Water Budgeting Requirements
• Temporary Erosion and Sediment Control (TESC) Report Form
• Utility Service Application
• Water Meter Sizing Form

Handouts

• Sustainable Building Incentives
• Vision on Sustainable Development
• Tree Protection Fence Standard Detail

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.

• Single Family Fee Estimator

*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 (PDF) for target review times. Scope and project complexity may affect review times.