Detached ADU near Montclair, CA

View ADU Builders is a trusted Los Angeles ADU contractor specializing in detached ADUs, garage conversions, attached ADUs & in-law suites. Costs range from $80K–$350K+. Free 3D design consultations available.

Ataman Studio is a trusted ADU contractor in Los Angeles, serving all of California. Full-service design, permitting, and construction for detached ADUs, garage conversions, and in-law units, with compliance to local zoning and state regulations.<... read more

Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.

Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.read more

Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.

Build ADU Home Remodel is a trusted, licensed general contractor serving homeowners throughout the Inland Empire with full-service ADU construction. Whether you're looking to add rental income, house extended family, or increase your property valu... read more

EZ ADU & Garage Conversion is a trusted ADU builder and garage conversion contractor in Orange County, CA. They offer custom ADU construction, garage conversions, design, and permitting services for homeowners seeking quality living space solu... read more

EG Modern Construction offers full-service ADU design and construction in Los Angeles, including detached ADUs, garage conversions, and JADUs. Licensed and insured, they manage consultation, permitting, and build completion.

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.

Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.

JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.

Infinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.... read more

DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion... read more

Herbertson OG is a construction and solar company offering ADU building, remodeling, new construction, roofing, HVAC, and solar panel installation. They serve homeowners, investors, and designers across residential and commercial projects.