Detached ADU

NorthLight Custom Builders offers ADU construction in King & Snohomish County. Services include attached & detached units for rental income, family living, or home offices. Structured process from consultation to one-year warranty follow-u... read more

California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.

Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.

Haven ADUs is a Brooklyn-based design and project management firm specializing in accessory dwelling units (ADUs). They guide property owners through feasibility, design, permitting, and construction, serving as a single point of contact throughou... read more

High Touch Remodeling is a Los Angeles ADU contractor specializing in garage conversions. They offer full garage-to-ADU buildouts, design planning, space optimization, and code compliance, with free estimates available.

As a full-service construction company focused exclusively on ADUs and multifamily housing, we guide you through every step—from initial concept to final walkthrough. Whether you're adding a high-quality ADU to your property or developing afford... read more

ADU 5280 is a Denver-based ADU design-build company since 2013, offering detached ADUs, garage conversions & home additions. They manage zoning, permits, design & construction for homeowners looking to boost property value.

Kingdom Builders DFW is a Dallas-Fort Worth general contractor offering residential and commercial construction services, including ADUs, garage conversions, custom homes, remodels, restaurant builds, retail renovations, office buildouts, and fait... read more

Eric Go Build (EG'S Built Construction) specializes in ADU construction, offering custom granny flats, in-law suites & backyard cottages. They provide tailored designs, quality materials & timely delivery to boost property value.

Excell Homes is a Northern Virginia ADU builder with 20+ years experience. They offer turnkey accessory dwelling units in Fairfax, Arlington & Alexandria, covering design, permitting & construction under one fixed-price contract.

OC Builders Group specializes in ADU construction in California, offering detached ADUs, garage conversions, granny flats & in-law suites. They help homeowners navigate permits, zoning & state regulations to add rental income or housing va... read more

Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income... read more

Robert Wise Construction, a Truckee, CA ADU contractor, guides homeowners through costs ($350K-$600K+), permitting, and mountain-specific challenges like snow-load engineering, septic evaluation, and California ADU law for garage conversions and d... read more

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

Casita Home Builders LLC specializes in custom ADUs, granny flats, pool houses, and home additions in Cincinnati & Northern Kentucky. ADUs boost property value 25–35%, cost $200–$300/sqft, and offer flexible financing options.