Attached ADU

Dacaj Construction builds legal ADUs across NYC, Westchester & Nassau County. Specializing in garage, basement, attic & detached cottage conversions, they guide homeowners through zoning eligibility, DOB permits & certificate of occupa... read more

Hammer & Hand builds Accessory Dwelling Units (ADUs) in Portland & Seattle. From garage conversions to detached cottages, they guide homeowners through zoning, permits, design, and costs for rental income or multigenerational living.

Doza Build Inc. serves San Bernardino & Riverside County, CA, with 30+ years in construction. Services include ADU construction, garage conversions, remodeling, plumbing, electrical, flooring & more. Free estimates available.

Fortune ADU is a Southern California ADU contractor offering full-service design, permitting, and construction. Services start at $3,999.99, covering detached ADUs, JADUs, garage conversions, and more, with most projects completed in 6–12 months... read more

NW Build specializes in ADU & DADU construction in Bellevue and the Puget Sound region. They manage permits, design, and builds for detached ADUs, attached units, and granny flats, adding value to residential properties.

Haas Development & Construction offers ADU & DADU construction in Greater Seattle. They handle planning, permits, design, and builds for attached & detached units, including prefab DADU plans, helping homeowners add rental income or fa... read more

Brach Design Architecture specializes in Accessory Dwelling Units (ADUs) in Salt Lake City. ADUs boost property value, generate rental income & expand housing options. Detached units max 650 sq ft; attached up to 50% of main home.

ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structu... read more

R5 Homes is a Utah-based homebuilder specializing in integrated ADU homes. Operating in Eagle Mountain & Spanish Fork, their FLEX-ADU offers rental income potential, multigenerational living, and flexible floor plans built from the ground up.<... read more

Looking for extra space, a backyard rental, or a quiet retreat? Our factory-built cabins and ADUs (Accessory Dwelling Units) are designed for fast setup, long-term durability, and four-season comfort—built tough for Montana and Wyoming weather. ... read more

Maximize your property’s potential with a custom Accessory Dwelling Unit (ADU) or Garage Conversion in St. Petersburg. Whether you need a mother-in-law suite for aging parents, a private home office, or a high-yield rental unit, CraftLine Remode... read more

Victory Home Remodeling builds detached, attached, garage conversion, Junior, and above-garage ADUs in Los Angeles. Benefits include added property value, rental income, and multi-generational living. Timelines range from 2–10 months depending o... read more

Cook Contractors builds ADUs in Whiteville & Southeastern NC. Services include detached, attached, garage conversion & basement ADUs. Transparent pricing, local permits handled, custom designs, 4–8 month timelines. HELOC financing option... read more

Westchester Modular Homes Inc. builds modular accessory dwelling units (ADUs) in the Northeast. ADUs are secondary homes on single-family lots requiring permits, a kitchen, bathroom, and private entrance. ADUs can boost property value.