Detached ADU

All Phase Construction LLC is a Honolulu-based contractor serving Oahu, Maui, Big Island & Kauai since 2013. Specializing in ADU construction, custom homes, additions & concrete work across Hawaii.

JW Design Build specializes in custom home renovations and additions, including master suites, kitchens, home offices, and outbuildings. Their integrated design-build approach guides homeowners from concept to completion without relocating.

Ground Up Builders helps Alhambra homeowners build fully permitted ADUs, including garage conversions, detached units, and backyard cottages. As a design-build ADU contractor, they manage design, permitting, and construction.

Intelligent Choice Builders is a licensed Bay Area ADU contractor serving Palo Alto, Cupertino, San Jose & Sunnyvale. They build detached ADUs, garage conversions, granny flats & more, managing permits, design & construction end-to-end.

Branch Home Improvement LLC is a licensed, family-owned contractor in Holly Springs, NC, with 26+ years of experience. Specializing in ADU construction, kitchen remodeling, bathroom renovations, and home additions across the Research Triangle. A+ BBB rated.

For over three decades, Keen Construction has been rooted in family values and exceptional craftsmanship. Founded by Darren Trybalski, whose father and grandfather were both builders, this deep-rooted connection to construction shaped our commitment to quality and attention to detail from the very beginning.

Ben Norkin Architecture outlines ADU permit drawing requirements in Montgomery County, MD, covering site plans, zoning, drainage, floor plans, structural drawings, and energy compliance for detached ADUs, garage conversions, and backyard cottages.

Addition Building & Design Inc. is a Los Angeles design-build firm offering custom home building, additions, renovations, ADU construction, and outdoor living spaces. Their integrated approach covers planning, permitting, and construction for residential projects across LA.

Rybak & Company LLC builds ADUs in Vancouver, Camas, Washougal & Portland Metro. Services include detached ADUs, garage conversions & in-law suites. Projects start at $175K–$250K+. Free estimates available.

Alta Casa Remodeling is a Vancouver, WA ADU builder specializing in accessory dwelling units, garage conversions, in-law suites, and home additions. They also offer kitchen, bathroom, and full home remodels, backed by a one-year workmanship warranty.

Lakeside ADU & Home Planning, based in Lake Stevens, WA, is a full-service ADU builder serving the Puget Sound Region. They specialize in backyard cottages, mother-in-law suites, garage conversions, and new builds, managing design, permitting, and construction.

An ADU (accessory dwelling unit) is a secondary dwelling attached or detached from a primary home. Types include garage conversions, basement units, and backyard cottages. Covenant Homes builds custom ADUs in Florida and North Georgia.

Heritage Homes of Nebraska builds custom modular homes since 1978, meeting IRC standards. Factory-built in ~6 weeks, homes earn 5 Star Plus energy ratings. Offering single-story, two-story, ADU, and multifamily plans with guaranteed pricing.

Carson Homes builds custom accessory dwelling units for homeowners across Surprise and the West Valley. Whether you need a guest house, rental unit, or space for multigenerational living, Adam Carson manages the entire project from permitting through final walkthrough.