Cruvers Contracting LLC

1002 Pine Avenue, Snohomish, WA 98290 6.1 miles

Cruvers Contracting LLC builds ADUs in Snohomish, WA, tackling rural challenges like septic systems, slopes, and wooded lots. Serving areas including Lake Stevens, Monroe, and Everett with phased planning and durable, site-specific construction.

Harjo Construction

4900 15th Avenue Northwest, Seattle, WA 98107 15.9 miles

15 years in business

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.

Harmony Architecture Studio

1324 Lombard Avenue, Everett, WA 98201 8.3 miles

Tenhulzen Construction

16900 9th Avenue Southeast, Mill Creek, WA 98012 1.5 miles

Tenhulzen Construction offers ADU and DADU construction services in Washington State, providing pre-approved and custom plans. Options suit various budgets and timelines, with benefits including added property value and flexible living spaces.

SkyDADU

Kent, WA 98042 34.3 miles

Luxury Builds

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 dwelling units.

H26 Builders

5207 South Willow Street, Seattle, WA 98118 22.5 miles

Eco-Friendly

H26 Builders is a Seattle ADU contractor offering attached ADUs, detached ADUs, and garage conversions. Services include design consultation, permitting support, and project management to help homeowners add functional living or rental space.

Alfa Framing

7345 164th Avenue Northeast, Redmond, WA 98052 13.8 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.

Volcano Builders

1750 112th Avenue Northeast, Bellevue, WA 98004 16.4 miles

Licensed 4 years in business Eco-Friendly

Volcano Builders is a licensed, family-owned construction company serving Seattle, Bellevue & Monroe, WA. Specializing in kitchen remodels, bathroom renovations, home additions, deck builds, and ADU construction since 2021.

Bicknell Builds

19616 Southeast 310th Place, Kent, WA 98042 37.5 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.

Ballard Backyard Cottages

4142 2nd Avenue Northwest, Seattle, WA 98107 15.9 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.

Verum Construction Inc

17461 147th Street Southeast, Monroe, WA 98272 9.7 miles

An ADU (accessory dwelling unit) is a secondary dwelling on a single-family lot. Types include basement apartments, garage conversions & detached cottages. Costs vary by size, design, permits & materials. Professional ADU contractors ensure smooth project execution.

Olympic View Building

10037 Washington 3, Bremerton, WA 98312 36.6 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.

North West Builders & Renovations

1135 Lake Washington Boulevard North, Renton, WA 98057 24.9 miles

Elite Team Builders

701 5th Avenue, Seattle, WA 98104 18.8 miles

Luxury Builds

Elite Team Builders Inc. designs & builds ADUs—detached units, garage conversions & backyard cottages—in Seattle, Portland & Los Angeles. They offer custom design, quality materials & transparent pricing for lasting residential value.

HiLine Homes

11306 62nd Avenue East, Puyallup, WA 98373 45.9 miles

Licensed 30 years in business

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.

Other cities in Washington

What you need to know

ADU Contractors in Mill Creek, WA: Building in a Master-Planned Community

Mill Creek, Washington is one of the few master-planned communities in the Pacific Northwest, known for its carefully maintained aesthetics, tree-lined streets, and strong homeowner association presence. This unique character means that ADU contractors in Mill Creek must navigate not only Snohomish County and City of Mill Creek zoning regulations but also potential HOA covenants and design standards that can significantly influence accessory dwelling unit projects. Working with an experienced local ADU contractor who understands these layered requirements is essential for a successful build.

Mill Creek ADU Regulations and Zoning Requirements

The City of Mill Creek follows Washington State's updated ADU-friendly legislation, which has expanded homeowner rights to build accessory dwelling units. Under current rules, single-family residential lots in Mill Creek may be eligible for both an attached ADU and a detached ADU (DADU). Key regulatory considerations include:

Why Hire a Local ADU Contractor in Mill Creek?

Hiring a licensed ADU contractor familiar with Mill Creek means working with someone who understands the city's permitting process through the Community Development Department, as well as the nuances of building in a community where architectural harmony is highly valued. Local contractors are better positioned to coordinate with the city's building officials, submit accurate permit applications, and ensure designs align with neighborhood aesthetics — all of which can speed up approval timelines and reduce costly revisions.

What to Expect During the ADU Construction Process

A qualified Mill Creek ADU contractor will typically guide homeowners through the following steps:

Investing in an ADU in Mill Creek, WA

With Mill Creek's strong property values, proximity to major employers in the Puget Sound region, and excellent schools within the Everett School District, adding an ADU is a smart investment. Whether you're looking to generate rental income, house extended family, or increase your home's resale value, partnering with a skilled ADU contractor in Mill Creek, Washington is the first step toward making your project a reality.

ADU Contractors near Mill Creek, WA