ADU Contractors near Bellevue, WA
BelRed Construction - Bathroom Remodeling
13629 Northeast Bel Red Road, Bellevue, WA 98005
2 miles
Our team specializes in ADU construction and home remodeling, creating functional, well-designed spaces with quality craftsmanship and attention to detail.
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Brutsky Builds
800 Bellevue Way Northeast, Bellevue, WA 98004
2.7 miles
Brutsky Builds is a licensed ADU contractor in Bellevue offering full-service accessory dwelling unit construction. Services start from $210,000, covering design, permitting, and build completion in ~6 months.
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SkyDADU
Kent, WA 98042
15.6 miles
SkyDADU is a DADU builder and equity partner serving King, Snohomish, and Pierce counties in Washington State. They offer fixed-price packages, up to 100% funding, and handle permitting, construction, and condominiumization for detached accessory ... read more
Bicknell Builds
19616 Southeast 310th Place, Kent, WA 98042
18.8 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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Harjo Construction
4900 15th Avenue Northwest, Seattle, WA 98107
11.4 miles
Harjo Construction builds AADUs & DADUs in Seattle with 300+ projects since 2010. Costs range $275K–$650K, max 1,000 sq ft, 4–6 month build time. Seattle removed owner-occupancy rules, boosting ADU rental potential.
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Olympic View Building
10037 Washington 3, Bremerton, WA 98312
29.4 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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Northwest ADU Builders of Mill Creek
6100 219th Street Southwest, Mountlake Terrace, WA 98043
15.1 miles
Northwest ADU is a trusted ADU builder in Mill Creek, WA, offering full-service accessory dwelling unit construction, including detached ADUs, garage conversions, and basement conversions, with expert permit and zoning support.
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NW Finishing
2265 116th Avenue Northeast, Bellevue, WA 98004
2.9 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... read more
Detray's Custom Housing
10209 149th Street East, Puyallup, WA 98374
33.4 miles
True Built Home
3403 North Proctor Street, Tacoma, WA 98407
26.9 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
Ballard Backyard Cottages
4142 2nd Avenue Northwest, Seattle, WA 98107
10.5 miles
Seattle's trusted DADU & ADU builder offers custom builds, ADU conversions, and prefab cabins. Transparent pricing, expert guidance, and hands-on construction help homeowners add lasting value with backyard cottages and granny flats.
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Avead
3600 136th Place Southeast, Bellevue, WA 98006
1.1 miles
Avead is an ADU contractor offering full-service accessory dwelling unit construction, including attached, detached, junior ADUs, garage conversions, and custom builds. With 20+ years of experience, transparent pricing, and a 5-year warranty.
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Coates Design Architects
900 Winslow Way East, Bainbridge Island, WA 98110
16.7 miles
Seattle ADUs offer rental income & flexible living. Coates Design Architects guides homeowners through detached, attached, garage & basement conversions. Costs range $200K–$350K+, with 7–11 month timelines. Sustainable design & per... read more
J Hanby LLC
Edmonds, WA 98020
17.5 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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Renovate Builders
4555 39th Avenue Southwest, Seattle, WA 98116
10.9 miles
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.