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ADU Contractors near Redmond, WA
Armada Design & Build Inc.
15600 Northeast 8th Street, Bellevue, WA 98008 4 milesArmada Design & Build Inc., Bellevue, WA, offers full-service residential design-build since 2011. Specializing in remodels, home additions, and custom builds across Puget Sound, they deliver turnkey solutions with in-house design and quality craftsmanship.
read moreSockeye Homes
14638 SE 229th Pl, Kent, WA 98042 19.4 milesSockeye Homes designs & builds custom ADUs and DADUs, offering full-service support from permits to construction. Fixed-cost packages range from $218K–$335K+, suiting retirees, families & rental income seekers.
read moreInterbay Construction
1020 108th Avenue Northeast, Bellevue, WA 98004 5.4 milesInterbay 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.
read moreHarmony Architecture Studio
1324 Lombard Avenue, Everett, WA 98201 21.5 milesHomez Remodel
13213 Southeast 278th Street, Kent, WA 98042 22.5 milesHomez 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.
read moreEra Builders
911 Northeast 70th Street, Seattle, WA 98115 9.4 milesEra 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.
read moreModel Remodel
1111 West Nickerson Street, Seattle, WA 98119 12 milesSeattle'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.
read moreEvola Builds LLC
Poulsbo, WA 98370 24.7 milesEvola 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 moreSeattle Remodeling LLC
17202 Aurora Avenue North, Shoreline, WA 98133 11.9 milesSeattle Remodeling LLC specializes in ADU construction in Seattle, offering mother-in-law suites, backyard cottages, garage conversions, and granny flats. They help homeowners add value, rental income, and flexible living space.
read moreADU Builders Seattle
4712 South Morgan Street, Seattle, WA 98118 11.7 milesADU Builders Seattle (Maksymov Brownstone LLC) specializes in detached ADU construction across Seattle & King County. Licensed & bonded, they handle zoning, permits, and SDCI approvals. Services include backyard cottages, two-story units, garage conversions & rental-ready DADUs.
read moreSeattle Backyard Homes
4813 37th Avenue Northeast, Seattle, WA 98105 7.8 milesSeattle 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 pricing.
read moreCoates Design Architects
900 Winslow Way East, Bainbridge Island, WA 98110 18.6 milesSeattle 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 & permit-ready plans included.
read moreZee Design & Build
570 Kirkland Way, Kirkland, WA 98033 3.7 milesZee Design & Build is a Kirkland, WA ADU contractor serving King, Snohomish, Skagit & Island Counties. Offering full-service ADU construction—garage conversions, basement units, backyard cottages & more—since 2012.
read moreHarjo Construction
4900 15th Avenue Northwest, Seattle, WA 98107 12.1 milesHarjo 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.
read moreOther cities in Washington
- Bainbridge Island
- Battle Ground
- Bellevue
- Bellingham
- Black Diamond
- Bremerton
- Burbank
- Camas
- Edmonds
- Everett
- Fall City
- Federal Way
- Kennewick
- Kent
- Kirkland
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.