ADU Contractors near Bellevue, WA
Anderbar Construction
12391 Glenwood Road Southwest, Port Orchard, WA 98367
27.3 miles
We specialize in building high-quality, custom Accessory Dwelling Units (ADUs) that provide both functionality and style for homeowners in Port Orchard, WA, and the surrounding areas. Whether you’re looking to add a rental property, create a coz... read more
Evola Builds LLC
Poulsbo, WA 98370
24.7 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... read more
Elite Team Builders
701 5th Avenue, Seattle, WA 98104
8.3 miles
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... read more
ModernSpace ADU Construction Redmond
17181 Redmond Way, Redmond, WA 98052
5.6 miles
ModernSpace ADU Construction is a certified ADU builder serving Redmond, offering tailored accessory dwelling unit services. Competitive pricing, no hidden fees, and a satisfaction guarantee make them a trusted local choice.
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Volcano Builders
1750 112th Avenue Northeast, Bellevue, WA 98004
2.7 miles
Volcano Builders is a licensed, family-owned construction company serving Seattle, Bellevue & Monroe, WA. Specializing in kitchen remodels, bathroom renovations, home additions, deck builds, and ADU construction since 2021.
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Modern ADU Plans
3660 Lavender Ln NE, Bainbridge Island, WA 98110
19.6 miles
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.
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Twin Brothers Group
14205 Southeast 36th Street, Bellevue, WA 98006
1.2 miles
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.
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Cast Architecture
115 North 36th Street, Seattle, WA 98103
10.3 miles
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
Seattle Backyard Homes
4813 37th Avenue Northeast, Seattle, WA 98105
7.7 miles
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
HiLine Homes
11306 62nd Avenue East, Puyallup, WA 98373
27.9 miles
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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Red's Construction & Renovation
Federal Way, WA 98003
20.7 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
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.
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Tenhulzen Construction
16900 9th Avenue Southeast, Mill Creek, WA 98012
17.6 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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Chapman Projects
4225 335th Place Southeast, Fall City, WA 98024
12.3 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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BB Builders Pro
801 Southwest 16th Street, Renton, WA 98057
9.7 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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Other cities in Washington
What you need to know
ADU Contractors in Bellevue, WA: Navigating One of the Puget Sound's Most Regulated Cities
Bellevue, Washington is one of the fastest-growing cities on the Eastside of the Puget Sound region, with a booming real estate market and some of the highest property values in the state. As housing demand continues to surge, ADU contractors in Bellevue, WA are playing a critical role in helping homeowners maximize their property's potential. Whether you're looking to build a detached ADU in your backyard or convert an existing space into a legal accessory dwelling unit, working with an experienced Bellevue ADU contractor is essential to navigating the city's specific requirements.
Bellevue ADU Regulations and Zoning Requirements
The City of Bellevue has its own set of land use codes that govern the construction of accessory dwelling units. Homeowners and contractors must comply with the Bellevue City Code (BCC), particularly Title 20, which outlines zoning and development standards. Key regulations that ADU builders in Bellevue must be aware of include:
- ADUs are permitted in most single-family residential zones (R-1 through R-10)
- Detached ADUs generally cannot exceed 1,000 square feet or 40% of the primary home's square footage
- Height limits for detached ADUs are typically capped at 24 feet, depending on the zone
- Setback requirements must be met, including rear and side yard minimums
- Owner-occupancy requirements may apply depending on the type of ADU
- Separate utility connections and permits are required for detached units
The Permitting Process for ADUs in Bellevue
One of the most important steps in any Bellevue ADU project is obtaining the proper permits through the City of Bellevue's Development Services Department. The permitting process typically involves submitting architectural plans, site plans, and engineering documents for review. Professional ADU contractors in Bellevue are familiar with the city's ePlans electronic submission system and can help streamline the approval process. Permit timelines in Bellevue can vary, so hiring a contractor with local experience is a significant advantage.
Why Hire a Local ADU Contractor in Bellevue?
Choosing a local ADU contractor in Bellevue, Washington means working with professionals who understand the nuances of building in this specific market. From managing steep lot grades common in neighborhoods like Somerset and Factoria, to coordinating with Bellevue Utilities for water and sewer connections, local expertise matters. A qualified contractor will also help you:
- Assess your property's feasibility for an ADU
- Design a unit that complies with Bellevue's design standards
- Manage the full permitting and construction process
- Maximize your return on investment in Bellevue's competitive rental market
Start Your Bellevue ADU Project Today
With Bellevue's strong rental demand and high property values, building an ADU is one of the smartest investments a homeowner can make. Partnering with a knowledgeable ADU contractor in Bellevue, WA ensures your project is completed on time, on budget, and fully compliant with all local codes and regulations.