Service Areas


Serving 20 Communities From Our Tumwater Headquarters
Based at 2840 Crites St SW in Tumwater, WA, Capitol Custom Construction builds ground-up custom homes, modern ADUs under Washington HB 1337, luxury home additions, and weather-tested exterior renovations across 5 Western Washington counties.
Thurston County
Headquarters & South Sound CoreHome to Capitol Custom Construction headquarters at 2840 Crites St SW in Tumwater. We provide full-scale ground-up custom home construction, modern ADUs under Washington HB 1337, luxury additions, and weather-tested exterior refreshes across Thurston County.
Grays Harbor County
East County & Washington Pacific CoastServing coastal and inland Grays Harbor County with marine-grade exterior construction, storm-resistant roofing, coastal vacation house decking, and custom home builds engineered for Pacific Northwest coastal weather.
Lewis County
I-5 South CorridorProviding builder-led residential construction, acreage ADU development, open-concept kitchen & bathroom remodels, and structural framing across the Centralia-Chehalis twin cities corridor.
Cowlitz County
Lower Columbia & Southwest I-5Extending Capitol Custom Construction craftsmanship south along the I-5 corridor with precision roofing, Hardie Plank siding, large-scale residential additions, and ground-up builds.
Mason County
Highway 101 North & Puget Sound InletsServing Shelton and Mason County with builder-led site excavation, steep-slope foundation engineering, shoreline-friendly custom builds, and custom deck construction.
Capitol Custom Construction Pushes the Boundaries of What Is Possible in Your Home Build or Renovation.


