Detached ADU near Black Diamond, WA
NorthLight Custom Builders
9800 Harbour Place, Mukilteo, WA 98275
43 miles
NorthLight Custom Builders offers ADU construction in King & Snohomish County. Services include attached & detached units for rental income, family living, or home offices. Structured process from consultation to one-year warranty follow-up.
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Mallard Brothers Construction
120 State Avenue Northeast, Olympia, WA 98501
45.4 miles
Mallard Brothers Construction builds ADUs & Tiny Homes in Olympia, WA. They offer attached, detached, garage conversions & ADA-accessible units, managing design, permits & construction for property owners seeking rental income or extra living space.
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Era Builders
911 Northeast 70th Street, Seattle, WA 98115
28.9 miles
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.
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Northwest ADU
1201 Pacific Avenue, Tacoma, WA 98402
20.1 miles
Northwest ADU is a full-service ADU contractor in Western Washington specializing in detached ADUs, garage conversions, and basement conversions. Serving Pierce, King, and Snohomish Counties, projects range from $180K–$350K+, taking 6–10 months.
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Interbay Construction
1020 108th Avenue Northeast, Bellevue, WA 98004
22.8 miles
Interbay Construction is a Washington State ADU contractor building guest houses, in-law suites, detached ADUs & backyard cottages. Quality materials, clear communication & reliable timelines for every accessory dwelling unit project.
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Lakeside ADU & Home Planning
1901 Vernon Road, Lake Stevens, WA 98258
48.6 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, and construction.
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Tenhulzen Construction
16900 9th Avenue Southeast, Mill Creek, WA 98012
38 miles
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.
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J Hanby LLC
Edmonds, WA 98020
37.6 miles
J Hanby LLC offers ADU and basement conversion services in the Eastside area. Specializing in detached ADUs, garage conversions, granny flats, and basement renovations, they help homeowners maximize property value and ROI.
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Homez Remodel
13213 Southeast 278th Street, Kent, WA 98042
7.4 miles
Homez Remodel is a Seattle ADU builder specializing in DADUs, backyard cottages, garage conversions & basement ADUs. With 10+ years experience, they handle permits, design & construction across Seattle, Bellevue, Kirkland & more.
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Above & Beyond Construction
13346 Eastbrook Drive Southwest, Port Orchard, WA 98367
34 miles
ADUs offer self-contained living with kitchen, bath & bedroom for rental or family use. Room additions expand existing home space. Above & Beyond Construction serves Seattle & Puget Sound homeowners with both project types.
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NW Finishing
2265 116th Avenue Northeast, Bellevue, WA 98004
23.3 miles
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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Evola Builds LLC
Poulsbo, WA 98370
41.5 miles
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.
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Northwest ADU Bellevue
278 106th Avenue Northeast, Bellevue, WA 98004
22.4 miles
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.
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BB Builders Pro
801 Southwest 16th Street, Renton, WA 98057
14.4 miles
BB Builders Pro specializes in ADU construction, garage conversions, home additions, and detached backyard cottages. Services include custom design, permitting, zoning compliance, and renovations—ideal for rental income or family housing.
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Puget Sound ADU Builders
4712 South Morgan Street, Seattle, WA 98118
19.9 miles
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.
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What you need to know
Searching for top Detached ADU ADU Contractors in Black Diamond, Washington? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Black Diamond ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Black Diamond homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Black Diamond, Washington, and get started today.