ADU Contractors near Redmond, WA
Alfa Framing
7345 164th Avenue Northeast, Redmond, WA 98052
0.5 miles
Alfa Framing offers residential construction services including structural framing, siding installation, roofing, and ADU/DADU construction. Serving new builds and additions, they bring decades of experience and a solution-oriented approach.
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Heartwood Builders
1902 North 34th Street, Seattle, WA 98103
10.3 miles
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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HiLine Homes
11306 62nd Avenue East, Puyallup, WA 98373
33.8 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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Exceptional Home Builders Seattle
1525 11th Avenue, Seattle, WA 98122
10.3 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
Northwest ADU Bellevue
278 106th Avenue Northeast, Bellevue, WA 98004
5.8 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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Microhouse
114 North 42nd Street, Seattle, WA 98103
11.2 miles
Microhouse is a Seattle-based ADU builder specializing in custom detached ADUs (DADUs). They guide homeowners through zoning, design, and construction. Seattle permitted 551 DADUs in 2022, with a 40% increase in 2023. Microhouse offers site assess... read more
Coates Design Architects
900 Winslow Way East, Bainbridge Island, WA 98110
18.6 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
Backyard ADU
4813 37th Avenue Northeast, Seattle, WA 98105
7.8 miles
Backyard ADU is a full-service ADU contractor managing every stage of accessory dwelling unit builds, including feasibility, permits, site surveys, foundations, construction, utility connections, and condo legal services.
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LYD Construction
4055 Lake Washington Boulevard Northeast, Kirkland, WA 98033
4.5 miles
LYD Construction is a Seattle-area ADU builder & remodeling contractor with 25 years of experience. Services include kitchen, bathroom, basement renovations, deck building & ADU construction. Financing up to $200,000 available. Based in Be... read more
Harjo Construction
4900 15th Avenue Northwest, Seattle, WA 98107
12.1 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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Above & Beyond Construction
13346 Eastbrook Drive Southwest, Port Orchard, WA 98367
29.6 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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Northwest ADU Builders of Mill Creek
6100 219th Street Southwest, Mountlake Terrace, WA 98043
11.9 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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Model Remodel
1111 West Nickerson Street, Seattle, WA 98119
12 miles
Seattle's 2019 ADU law changes made it easier to build accessory dwelling units on single-family lots. DADUs can't exceed 50% of the main home's size. No parking required. New detached ADUs start around $350,000.
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Anderbar Construction
12391 Glenwood Road Southwest, Port Orchard, WA 98367
31.4 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
New Image Construction Management
8305 Dallas Avenue South, Seattle, WA 98108
13.9 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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Other cities in Washington
What you need to know
ADU Contractors in Redmond, WA: Building in the Heart of the Eastside Tech Hub
Redmond, Washington — famously known as the home of Microsoft and Nintendo of America — is one of the fastest-growing cities on the Eastside of the Seattle metro area. With a booming tech workforce and rising housing demand, homeowners in Redmond are increasingly turning to Accessory Dwelling Units (ADUs) as a smart solution for generating rental income, housing family members, or increasing property value. Finding experienced ADU contractors in Redmond, WA is a critical first step in making this investment a success.
Understanding Redmond's ADU Regulations and Zoning Requirements
Before breaking ground, it's essential to understand the local rules that govern ADU construction in Redmond. The City of Redmond follows Washington State's ADU-friendly legislation, which has progressively relaxed restrictions to encourage more housing density. Key regulations that your ADU contractor must navigate include:
- Zoning compliance: ADUs are generally permitted in single-family residential zones (R-1 through R-4) and some multifamily zones within Redmond city limits.
- Size limitations: Detached ADUs are typically limited to 1,000 square feet or 50% of the primary dwelling's square footage, whichever is less.
- Setback requirements: ADUs must adhere to specific side and rear yard setbacks, which vary depending on the zoning district.
- Owner-occupancy rules: Washington State law has removed mandatory owner-occupancy requirements, giving Redmond homeowners more flexibility.
- Utility connections: Separate utility meters may be required, and your contractor must coordinate with Redmond's permitting office accordingly.
Types of ADUs Commonly Built in Redmond
Skilled ADU contractors in Redmond are experienced in building a variety of unit types to suit different lot sizes and homeowner needs. The most common types include:
- Detached ADUs (DADUs): Standalone structures built in the backyard, ideal for larger lots common in neighborhoods like Education Hill and Grass Lawn.
- Attached ADUs: Units connected to the main home, often built as additions or above garages.
- Junior ADUs (JADUs): Smaller units created within the existing footprint of the primary residence, typically up to 500 square feet.
What to Look for in a Redmond ADU Contractor
Choosing the right contractor is crucial to a smooth and code-compliant build. Look for licensed and insured ADU contractors who are familiar with the City of Redmond's permitting process and have a proven track record of completed ADU projects in King County. A reputable contractor will handle everything from design and permit applications to construction and final inspections.
With Redmond's high rental demand driven by proximity to major tech campuses and excellent schools in the Lake Washington School District, an ADU is one of the most valuable home improvements you can make. Start your project today by consulting with a qualified Redmond ADU contractor who understands the local landscape inside and out.