Cruvers Contracting LLC builds ADUs in Snohomish, WA, tackling rural challenges like septic systems, slopes, and wooded lots. Serving areas including Lake Stevens, Monroe, and Everett with phased planning and durable, site-specific construction.
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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 castcottages.com.
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Emerald ADU Builders Seattle specializes in ADU design, permitting, and construction. They build detached ADUs, attached ADUs, and garage conversions, serving Seattle homeowners with quality craftsmanship and transparent pricing.
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HiLine Homes is an experienced ADU builder in Idaho with nearly 30 years in custom home construction. They offer attached and detached ADU designs for rental income, multigenerational living, or home offices, with financing options available.
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NW Finishing is a Seattle-area ADU contractor offering full-service accessory dwelling unit design and construction. Serving Bellevue, Kirkland, Redmond, Renton, and more, they handle permits, planning, and builds for detached, cottage, and prefab ADUs.
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Greenpod Design builds custom DADUs in Washington using SIP construction and sustainable materials. They handle permits, ADA-compliant design, and energy-efficient builds. WA law allows up to two ADUs per lot, up to 1,000 sq ft.
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FTS Excavation offers full-service ADU site development in South Puget Sound, Western Washington. Services include grading, utilities, septic systems, foundation excavation & permits. Certified, reliable ADU contractor for backyard homes & accessory dwelling units.
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Love Construction builds ADU & DADU units in Seattle & Puget Sound to Passive House standards. Attached ADUs cost $85K–$280K; DADUs $175K–$550K. Includes permitting, energy modeling & a 5-year warranty.
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Deane Home Services builds ADUs in South King County, WA, including garage conversions, basement remodels, and detached backyard cottages. Licensed, bonded & insured. Serving Kent, Renton, Federal Way & more.
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New Day Construction is a licensed ADU builder in Bellevue, WA, with 21+ years of experience and 250+ projects. They build detached, attached, garage, basement, and custom ADUs, managing permits and design from start to finish.
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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.
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Elite Team Builders Inc. designs & builds ADUs—detached units, garage conversions & backyard cottages—in Seattle, Portland & Los Angeles. They offer custom design, quality materials & transparent pricing for lasting residential value.
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Tenhulzen Construction offers ADU and DADU construction services in Washington State, providing pre-approved and custom plans. Options suit various budgets and timelines, with benefits including added property value and flexible living spaces.
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.