ADU Contractors near Kent, WA

Harmony Architecture Studio

1324 Lombard Avenue, Everett, WA 98201 41 miles

read more

Armada Design & Build Inc.

15600 Northeast 8th Street, Bellevue, WA 98008 16.4 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 47.2 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.

read more

Zee Design & Build

570 Kirkland Way, Kirkland, WA 98033 19.9 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.

read more

Seattle Tiny Homes

24015 Washington 410, Buckley, WA 98321 16.1 miles

Licensed 19 years in business Prefab Specialist

Seattle Tiny Homes, based in Buckley, WA since 2005, builds tiny houses, park models, and modular ADUs under 400 sq ft. Washington state-certified, they offer financing options and helped establish the Washington Tiny House Association.

read more

NW Finishing

2265 116th Avenue Northeast, Bellevue, WA 98004 16.7 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

Northwest Builders & Renovation

1135 Lake Washington Boulevard North, Renton, WA 98057 7.9 miles

read more

Twin Brothers Group

14205 Southeast 36th Street, Bellevue, WA 98006 13.4 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.

read more

J Hanby LLC

Edmonds, WA 98020 29.6 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.

read more

Axiom Design Build

5424 Ballard Avenue Northwest, Seattle, WA 98107 20.9 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 13.6 miles

6000 ADU projects completed

read more

Doyle Construction

300 Deschutes Way Southwest, Tumwater, WA 98501 41.2 miles

read more

Brutsky Builds

800 Bellevue Way Northeast, Bellevue, WA 98004 15.8 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.

read more

Cast Architecture

115 North 36th Street, Seattle, WA 98103 19.4 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 3.1 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.

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 Kent, WA: Building in the Heart of the Green River Valley

Kent, Washington, situated in the Green River Valley between Seattle and Tacoma, is one of the fastest-growing cities in King County. With a booming population and a strong demand for affordable housing, ADU contractors in Kent, WA are busier than ever helping homeowners maximize their property value. Whether you're looking to build a detached backyard cottage, a garage conversion, or an attached accessory dwelling unit, working with experienced ADU contractors in Kent is essential to navigating the city's specific zoning and building requirements.

Kent ADU Regulations and Zoning Requirements

Before breaking ground, homeowners and contractors must understand Kent's local ADU ordinances, which fall under the broader framework of King County and Washington State ADU laws. Kent follows Washington State's HB 1337, passed in 2023, which significantly expanded ADU rights statewide. Key regulations that your ADU contractor in Kent must be familiar with include:

• Lot size requirements: Most single-family residential zones in Kent allow ADUs, but minimum lot sizes and setback requirements must be carefully reviewed.
• Height limits: Detached ADUs in Kent are generally subject to height restrictions that align with the surrounding residential zone standards.
• Owner-occupancy rules: Thanks to HB 1337, Washington State eliminated owner-occupancy requirements, giving Kent homeowners more flexibility.
• Utility connections: ADUs in Kent typically require separate utility connections or shared connections with the primary dwelling, depending on the unit type.
• Permits: All ADU projects require building permits through the City of Kent's Permit Center, and your contractor must ensure full compliance with the International Residential Code (IRC) as adopted by Washington State.

Why Hire a Local ADU Contractor in Kent, Washington?

Hiring a local ADU contractor in Kent offers significant advantages. Local professionals are familiar with Kent's specific soil conditions near the Green River floodplain, which can affect foundation design and construction costs. They also have established relationships with the City of Kent's permitting department, helping to streamline approvals and avoid costly delays. A knowledgeable Kent ADU contractor will also be aware of any stormwater management requirements enforced by the City, which are particularly relevant given the area's proximity to the Green River and its associated drainage systems.

Types of ADUs Commonly Built in Kent, WA

Experienced ADU builders in Kent typically work on a variety of unit types to suit different property layouts and homeowner goals:

1. Detached Accessory Dwelling Units (DADUs) – standalone backyard cottages
2. Attached ADUs – additions connected to the primary home
3. Garage Conversion ADUs – transforming existing garages into livable space
4. Basement ADUs – converting lower levels into independent units

Start Your Kent ADU Project Today

With housing demand continuing to rise across King County, building an ADU in Kent is a smart investment. Partnering with a qualified, licensed ADU contractor in Kent, Washington ensures your project meets all local codes, stays on budget, and adds lasting value to your property. Contact a trusted local ADU specialist today to discuss your vision and get started on permits.