ADU Contractors near Bothell, WA
Seattle ADU Builders
4138 Baker Avenue Northwest, Seattle, WA 98107
10.8 miles
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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Tacoma DADU
7809 Pacific Avenue, Tacoma, WA 98408
37.9 miles
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.
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Chapman Projects
4225 335th Place Southeast, Fall City, WA 98024
20.3 miles
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.
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Top Volk Construction
204 111th Avenue Northeast, Bellevue, WA 98004
10.5 miles
Top Volk Construction builds ADUs in the Seattle area, including detached backyard cottages, attached units, garage conversions, and basement ADUs. This licensed contractor manages design, permitting, construction, and inspections for homeowners s... read more
Alta Group Seattle
500 Southeast Everett Mall Way, Everett, WA 98208
9.4 miles
New Image Construction Management
8305 Dallas Avenue South, Seattle, WA 98108
17.7 miles
New Image Construction Management is a Washington State general contractor and building company based in Seattle, WA. With a primary focus of new home construction and renovation of residential and commercial properties.
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The DADU Guy
2522 North Proctor Street, Tacoma, WA 98406
37.2 miles
The DADU Guy is a Tacoma-based detached ADU builder serving Pierce County, WA. Specializing in DADUs, garage conversions, and basement conversions, they offer 5 floor plans, guaranteed pricing, and full project management to maximize property valu... read more
True Built Home
3403 North Proctor Street, Tacoma, WA 98407
36.7 miles
True Built Home builds custom ADUs in Washington & Oregon, offering 14 floor plans from 495–1,199 sq ft, priced from $119,900. Plans include granny flats, in-law suites & backyard cottages with transparent pricing and customizable design... read more
Olympic View Building
10037 Washington 3, Bremerton, WA 98312
32.5 miles
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.
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Bicknell Builds
19616 Southeast 310th Place, Kent, WA 98042
31.4 miles
Bicknell Builds offers ADU construction in the greater Seattle area, including detached ADUs, backyard cottages, granny flats, and in-law suites. Ideal for rental income, family housing, or added property value.
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Red's Construction & Renovation
Federal Way, WA 98003
32.1 miles
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
Skagit Design Homes
1327 Cleveland Avenue, Mount Vernon, WA 98273
44.6 miles
Skagit Design Homes offers flexible ADU plans for detached units, backyard cottages & granny flats. Maximum ADU sizes vary by local zoning laws. Check municipal regulations early to ensure your accessory dwelling unit project stays on track.read more
Exceptional Home Builders Seattle
1525 11th Avenue, Seattle, WA 98122
12.2 miles
Exceptional Home Builders is a Seattle ADU contractor with 20+ years of experience. They offer full-service ADU construction, design-build, permitting, interior design, and renovations for backyard cottages, garage conversions, and basement units.... read more
Abel Construction LLC
Black Diamond, WA 98010
33.5 miles
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.
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Emerald City Construction & Renovation
2571 152nd Avenue Northeast, Redmond, WA 98052
10.2 miles
Seattle ADU & DADU contractor Emerald City Construction & Renovation builds accessory dwelling units across Seattle, Bellevue & Eastside. Projects cost $350K–$500K+, take 8–14 months, and support rental income, multigenerational li... read more
Other cities in Washington
What you need to know
ADU Contractors in Bothell, WA: Building in a Rapidly Growing Tech-Adjacent Community
Bothell, Washington has experienced remarkable population growth over the past decade, largely driven by its proximity to major tech employers in the greater Seattle-Eastside corridor. This growth has created significant demand for additional housing, making Accessory Dwelling Units (ADUs) an increasingly popular solution for homeowners. Whether you're looking to house extended family, generate rental income, or increase your property value, working with experienced ADU contractors in Bothell, WA is essential to navigating the local building landscape successfully.
Understanding Bothell's ADU Regulations and Permitting Requirements
Bothell operates under its own municipal code, and portions of the city fall under both Snohomish County and King County jurisdictions, which can add complexity to the permitting process. Homeowners and contractors must carefully determine which jurisdiction governs their specific parcel before beginning any ADU project. The City of Bothell generally allows ADUs in single-family residential zones, but there are important rules to follow:
- Maximum ADU size is typically limited to 1,000 square feet or a percentage of the primary dwelling's square footage
- Owner-occupancy requirements may apply, requiring the homeowner to reside in either the primary residence or the ADU
- Setback requirements, lot coverage limits, and height restrictions must all be carefully observed
- Detached ADUs, attached ADUs, and DADUs (Detached Accessory Dwelling Units) each have distinct approval pathways
- Utility connections, including water and sewer, must meet current city standards
What to Look for in a Bothell ADU Contractor
Choosing the right ADU contractor in Bothell means finding a professional who understands local zoning codes, has experience pulling permits through the City of Bothell's Community Development Department, and can manage the full scope of construction from design to final inspection. The best contractors will offer:
- Familiarity with Bothell's specific municipal code and dual-county jurisdiction nuances
- In-house or partnered architectural and design services
- Transparent project timelines and cost estimates
- A proven track record of completed ADU projects in the Bothell area
- Knowledge of Washington State energy code compliance requirements
The Value of ADUs in Bothell's Housing Market
Given Bothell's strong real estate market and high rental demand — fueled by workers at nearby companies and students attending University of Washington Bothell — an ADU can deliver exceptional return on investment. Rental rates in the area remain competitive, and a well-built ADU can significantly increase your property's overall market value.
Working with a licensed, insured, and locally experienced ADU contractor in Bothell, Washington ensures your project meets all code requirements, stays on budget, and is completed efficiently. Start by consulting with a contractor who specializes in ADU construction and has a deep understanding of Bothell's unique regulatory environment.