ADU Contractors near Snohomish, WA

Harmony Architecture Studio

1324 Lombard Avenue, Everett, WA 98201 6.2 miles

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Armada Design & Build Inc.

15600 Northeast 8th Street, Bellevue, WA 98008 21.4 miles

Licensed 14 years in business Luxury Builds

Armada 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 ... read more

Carriage Houses Northwest

4401 80th Street Northeast, Marysville, WA 98270 10.5 miles

Carriage Houses NW is a Pacific Northwest ADU builder specializing in infill housing. They develop ADUs, duplexes, and townhomes, partner with homeowners, and offer fee-to-build services, leveraging WA State HB 1110 and HB 1337 legislation.

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Zee Design & Build

570 Kirkland Way, Kirkland, WA 98033 17.9 miles

13 years in business

Zee 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.

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NW Finishing

2265 116th Avenue Northeast, Bellevue, WA 98004 21 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

Johnston Contracting Services

500 Metcalf Street, Sedro-Woolley, WA 98284 40.7 miles

22 years in business Prefab Specialist Eco-Friendly

Johnston Contracting Services, based in Sedro-Woolley, WA, builds prefabricated ADUs, tiny homes, and backyard cottages using panelized construction since 2002. Offering customizable floor plans, faster installation, and nationwide shipping for gr... read more

Northwest Builders & Renovation

1135 Lake Washington Boulevard North, Renton, WA 98057 29.8 miles

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Twin Brothers Group

14205 Southeast 36th Street, Bellevue, WA 98006 24.3 miles

Licensed

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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J Hanby LLC

Edmonds, WA 98020 15.3 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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Axiom Design Build

5424 Ballard Avenue Northwest, Seattle, WA 98107 22.4 miles

23 years in business

Axiom Design Build is a Seattle-based, Ballard-located design-build firm since 2001, specializing in home remodels, ADUs, garage conversions, and backyard cottages, offering integrated design and construction services for homeowners throughout the... read more

Sound Foundations

5 South Nevada Street, Seattle, WA 98134 27.5 miles

6000 ADU projects completed

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Brutsky Builds

800 Bellevue Way Northeast, Bellevue, WA 98004 21.9 miles

Licensed Eco-Friendly

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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Cast Architecture

115 North 36th Street, Seattle, WA 98103 22.5 miles

15 years in business In-House Architect 80 ADU projects completed

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

Sockeye Homes

14638 SE 229th Pl, Kent, WA 98042 36.8 miles

Sockeye 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.

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True Built Home

3403 North Proctor Street, Tacoma, WA 98407 48.4 miles

Eco-Friendly

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

Other cities in Washington

• Bainbridge Island
• Battle Ground
• Bellevue
• Bellingham
• Black Diamond
• Bothell
• Bremerton
• Buckley
• Burbank
• Camas
• Edmonds
• Everett
• Fall City
• Federal Way
• Goldendale

What you need to know

ADU Contractors in Snohomish, WA: Building in a Historic Small-Town Setting

Snohomish, Washington, is one of the oldest cities in Snohomish County, known for its beautifully preserved Victorian-era architecture and its designation as a historic district. This unique character means that ADU contractors in Snohomish must navigate not only standard Washington State building codes but also local design guidelines that help protect the city's historic aesthetic. Whether you're looking to add a detached ADU in your backyard or convert an existing structure, working with an experienced ADU contractor familiar with Snohomish's specific requirements is essential.

Understanding ADU Regulations in Snohomish, WA

The City of Snohomish follows Washington State's ADU-friendly legislation, which has been progressively updated to encourage accessory dwelling unit construction. However, local zoning codes still apply. Key regulations that ADU contractors in Snohomish must be aware of include:

• Zoning requirements: ADUs are generally permitted in single-family residential zones, but lot size, setbacks, and height limits must be carefully reviewed.
• Size limitations: Detached ADUs are typically limited in square footage relative to the primary dwelling or lot size.
• Owner-occupancy rules: Snohomish may require the property owner to occupy either the primary residence or the ADU, depending on current local ordinances.
• Historic district considerations: Properties within or near the historic district may require design review to ensure compatibility with surrounding architecture.
• Utility connections: Separate utility meters and connections for ADUs must comply with city standards and may require coordination with Snohomish County PUD.

Types of ADUs Built by Snohomish Contractors

Skilled ADU contractors serving Snohomish, Washington are experienced in building a variety of accessory dwelling unit types suited to the area's residential landscape. Common ADU types include:

1. Detached ADUs (DADUs): Standalone backyard cottages or garage conversions built separately from the main home.
2. Attached ADUs: Units added onto the existing primary residence, sharing at least one wall.
3. Junior ADUs (JADUs): Smaller units created within the existing footprint of the home, often from a bedroom or basement space.

Why Hire a Local ADU Contractor in Snohomish?

Hiring a local ADU contractor in Snohomish, WA offers significant advantages. Local professionals understand the permitting process through the City of Snohomish's Community Development Department, are familiar with Snohomish County PUD utility requirements, and have experience working within the city's unique historic context. This local expertise can save homeowners time and money by avoiding costly mistakes during the permit and construction phases.

Start Your ADU Project in Snohomish Today

Adding an ADU to your Snohomish property is a smart investment that can provide rental income, multigenerational housing, or increased property value. Connect with a qualified ADU contractor in Snohomish, Washington to discuss your project goals, review zoning eligibility, and begin the permitting process with confidence.