Tumwater Building Department

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

Building Department

Tumwater Community Development

Address
555 Israel Rd SW, Tumwater, WA 98501
Hours
M-F 8am-5pm

Last verified: 2026-04-19

Submittal notes

These apply at Thurston County County level — verify city-specific items directly with Tumwater Community Development.

  • Thurston County: Thurston County: The Habitat Conservation Plan (HCP) for Mazama pocket gophers affects siting on rural parcels outside urban growth areas — verify HCP compliance before permit submittal.

Code environment

Climate Zone

CZ4

Western WA — moderate climate requirements.

Radon Zone

Zone 2

Moderate potential — mitigation recommended.

Learn more →

Ready to check your compliance?

wsec.ai generates a complete R406 credit summary you can submit with your permit application to Tumwater Community Development.

Start your WSEC compliance check →