Seattle's 2019 ADU law changes made it easier to build accessory dwelling units on single-family lots. DADUs can't exceed 50% of the main home's size. No parking required. New detached ADUs start around $350,000.
read more
Tacoma DADU Builders is a premier detached ADU builder serving Tacoma and Puget Sound. With 40+ years of experience, they offer turnkey ADU construction—design, permitting, and build—for investors, homeowners, and first-time buyers.
read more
Seattle Backyard Homes builds expert ADUs, DADUs, garage conversions & backyard cottages in Seattle and Bellevue. Full-service ADU contractors handling design, permits, zoning & construction with quality craftsmanship and transparent prici... read more
Wise Choice Construction offers expert home additions & ADU builds in Seattle, WA. From detached ADUs and granny flats to in-law suites, they handle permits, zoning, and seamless integration—boosting property value and livable space.
read more
Abel Construction LLC builds barndominium ADU shells in Black Diamond & Rochester. Ideal for rentals, guest suites & extra living space. Durable, cost-effective & customizable structures for property owners.
read more
An ADU (accessory dwelling unit) is a secondary dwelling on a single-family lot. Types include basement apartments, garage conversions & detached cottages. Costs vary by size, design, permits & materials. Professional ADU contractors ensur... read more
Evola Builds LLC, led by Michael and Amber Evola, offers residential renovation and construction services including bathroom remodels, ADU work, garage conversions, and structural modifications, collaborating closely with architects and homeowners... read more
Zee Design & Build is a Kirkland, WA ADU contractor serving King, Snohomish, Skagit & Island Counties. Offering full-service ADU construction—garage conversions, basement units, backyard cottages & more—since 2012.
read more
Explore pre-designed ADU floor plans from Modern ADU Plans — studio, 1-bed, 2-bed, garage conversions & more. Save time, reduce costs & maximize property value with ready-to-build accessory dwelling unit designs.
read more
Northwest ADU builds custom detached ADUs, garage conversions & basement ADUs across Western Washington. Serving King, Pierce & Snohomish Counties with full-service ADU construction, build-ready plans & permit management.
read more
Chapman Projects offers ADU design and construction in Seattle, Bellevue, and King County. With 20+ years of experience, they provide custom accessory dwelling units, detached ADUs, and backyard cottages using sustainable building practices.
read more
Hammer & Hand is a Portland & Seattle general contractor with 30+ years of experience in new homes, remodels, ADUs & commercial builds. Employee-owned, they offer expert craftsmanship, custom woodwork & trusted subcontractor networ... read more
Olympic View Building is an ADU contractor offering detached ADU construction, garage conversions, in-law suites, granny flats, and JADU services. They help homeowners add value and living space while navigating zoning laws and building codes.
read morePort 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.
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:
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:
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.