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Service Areas

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Regional Coverage

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 Core

Home 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 Coast

Serving 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 Corridor

Providing 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-5

Extending 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 Inlets

Serving 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.

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