Doyle Construction

300 Deschutes Way Southwest, Tumwater, WA 98501 36 miles

Harmony Architecture Studio

1324 Lombard Avenue, Everett, WA 98201 38.6 miles

Puget Sound ADU Builders

4712 South Morgan Street, Seattle, WA 98118 18.2 miles

Licensed 25 years in business Eco-Friendly

Puget Sound ADU Builders is a leader in ADU construction in western Washington state, excelling in design, construction, finishing, and permitting ADUs, DADUs, backyard cabins, garage conversions, duplexes, town homes, and multi-unit projects.

Cast Architecture

115 North 36th Street, Seattle, WA 98103 17 miles

15 years in business In-House Architect 80 ADU projects completed

Cast Architecture specializes in ADU and backyard cottage design in Seattle since 2009. With 80+ projects, their Cedar Cottage is pre-approved by Seattle & Kirkland. Award-winning designs include Widner Cottage and Lichtenstein Studio. Visit c... read more

Heartwood Builders

1902 North 34th Street, Seattle, WA 98103 17.7 miles

Eco-Friendly

Heartwood Builders is a Seattle ADU contractor specializing in backyard cottages, basement ADUs, and mother-in-law suites. They handle permitting, use sustainable materials, and help homeowners add rental income or family housing.

SkyDADU

Kent, WA 98042 27.2 miles

Luxury Builds

SkyDADU is a DADU builder and equity partner serving King, Snohomish, and Pierce counties in Washington State. They offer fixed-price packages, up to 100% funding, and handle permitting, construction, and condominiumization for detached accessory ... read more

Microhouse

114 North 42nd Street, Seattle, WA 98103 17.2 miles

Microhouse is a Seattle-based ADU builder specializing in custom detached ADUs (DADUs). They guide homeowners through zoning, design, and construction. Seattle permitted 551 DADUs in 2022, with a 40% increase in 2023. Microhouse offers site assess... read more

Cornerstone Builders LLC

261641 U.S. 101, Sequim, WA 98382 44 miles

Licensed 40 years in business

Cornerstone Builders LLC is a Sequim-based ADU builder serving Washington's North Olympic Peninsula for 40+ years. This certified design-build firm manages all phases—design, permitting, and construction—offering transparent, process-driven AD... read more

Lakeside ADU & Home Planning

1901 Vernon Road, Lake Stevens, WA 98258 44.3 miles

Lakeside ADU & Home Planning, based in Lake Stevens, WA, is a full-service ADU builder serving the Puget Sound Region. They specialize in backyard cottages, mother-in-law suites, garage conversions, and new builds, managing design, permitting,... read more

Armada Design & Build Inc.

15600 Northeast 8th Street, Bellevue, WA 98008 25.7 miles

Licensed 14 years in business Luxury Builds

Armada Design & Build Inc., Bellevue, WA, offers full-service residential design-build since 2011. Specializing in remodels, home additions, and custom builds across Puget Sound, they deliver turnkey solutions with in-house design and quality ... read more

Red's Construction & Renovation

Federal Way, WA 98003 21.4 miles

Licensed

Red's Construction & Renovation serves Federal Way & South King County, WA, specializing in ADU construction including detached, attached, garage conversions & basement units. Costs range from $50K–$300K+. Licensed, insured, transpar... read more

Era Builders

911 Northeast 70th Street, Seattle, WA 98115 19.5 miles

Eco-Friendly

Era Builders is a Seattle-based ADU contractor offering detached ADU construction, design, permitting, remodeling, and commercial renovations. They handle full ADU projects compliant with Seattle zoning rules, using sustainable practices.

Twin Brothers Group

14205 Southeast 36th Street, Bellevue, WA 98006 24.2 miles

Licensed

Twin Brothers Group is a licensed framing contractor in Washington State specializing in ADU, DADU, garage conversions, and home additions across King and Snohomish County, serving Seattle-area GCs and owner-builders.

Avio Homes

10908 62nd Street East, Puyallup, WA 98372 27.9 miles

Avio Homes is a Seattle-based ADU contractor specializing in detached ADUs, backyard cottages, and in-law suites. Serving Seattle, Tacoma, and Olympia, they handle design, permitting, and construction with local zoning expertise.

Levite Construction CO

5608 17th Avenue Northwest, Seattle, WA 98107 16.9 miles

Licensed Eco-Friendly

Levite Construction Co is a Seattle-based family-owned general contractor offering kitchen remodeling, bathroom remodeling, ADU construction, garage conversions, new builds, interior design, and more across the Greater Seattle area.

Other cities in Washington

What you need to know

ADU Contractors in Port Orchard, WA: Building in Kitsap County's Growing City

Port Orchard, the county seat of Kitsap County, Washington, has experienced significant residential growth in recent years, driven by its scenic waterfront location along Sinclair Inlet and its proximity to Bremerton and the Seattle ferry system. As housing demand increases across the Puget Sound region, ADU contractors in Port Orchard are playing a vital role in helping homeowners expand their property's living capacity through accessory dwelling units. Whether you're looking to house extended family, generate rental income, or increase your property value, building an ADU in Port Orchard is a smart investment.

Understanding Port Orchard ADU Regulations and Permitting

Before breaking ground, it's essential to understand the local rules governing ADU construction in Port Orchard. The City of Port Orchard follows zoning regulations under its municipal code, and ADUs are generally permitted in single-family residential zones. Experienced ADU contractors in Port Orchard, Washington will be well-versed in the following requirements:

Types of ADUs Commonly Built in Port Orchard

Port Orchard's varied residential landscape — from hillside properties with Puget Sound views to flat suburban lots — allows for several types of ADU construction. Skilled ADU builders in Port Orchard can help you determine which option best suits your property:

Why Hire a Local ADU Contractor in Port Orchard?

Hiring a local ADU contractor in Port Orchard, WA offers distinct advantages over working with out-of-area builders. Local contractors understand the specific soil conditions, weather patterns, and seismic considerations common to the Kitsap Peninsula. They also have established relationships with local inspectors and are familiar with the permitting timelines at Port Orchard's Community Development office, helping to avoid costly delays.

When selecting an ADU contractor in Port Orchard, look for professionals who are licensed in Washington State, carry proper liability insurance, and have a proven portfolio of completed ADU projects in the region. Request references, review past projects, and ensure your contractor provides a detailed written contract covering timelines, costs, and materials before any work begins.

ADU Contractors near Port Orchard, WA