Tacoma Building Department

WSEC-R 2021 energy code compliance resources for builders and contractors in Tacoma, Pierce County.

Building Department

Tacoma Planning and Development Services

Phone: (253) 591-5000
Address: 747 Market St, Tacoma, WA 98402
Hours: M-F 8am-5pm
Website: https://www.cityoftacoma.org/cms/One.aspx?portalId=169&pageId=12140
Notes: first-class city

Last verified: 2026-04-19

These apply at Pierce County County level — verify city-specific items directly with Tacoma Planning and Development Services.

Tacoma: Tacoma: PDFs must be flattened and unprotected — plan sets cannot be split into individual pages and form fields cannot be active. Intake bots automatically reject non-flattened submissions.

Pierce County: Pierce County offers pre-application screening — recommended for nonstandard projects. Separate sewer/septic clearance is required before the building permit issues.

Code environment

Climate Zone

CZ4

Western WA — moderate climate requirements.

Radon Zone

Zone 2

Moderate potential — mitigation recommended.

Ready to check your compliance?

wsec.ai generates a complete R406 credit summary you can submit with your permit application to Tacoma Planning and Development Services.