Attached ADU near Irvine, CA

ADU Resource Center is a Glendale, CA-based ADU contractor with 600+ completed units. They offer full-service ADU building, including design, permitting, financing, and construction of detached, attached, and garage conversion ADUs across Southern... read more

La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living... read more

FabuHome offers affordable ADU building services, including detached units, in-law suites & backyard cottages. Full-service design to construction, tailored to your budget, helping homeowners add value & flexible living space.

UADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.

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.

Lion Builder Construction is a Southern California contractor serving Orange, LA, and Riverside Counties, plus Maricopa County, AZ. They specialize in new homes, ADUs, and kitchen remodels, offering a one-stop-shop approach.

DREC Construction Services is a licensed ADU builder in Glendale, CA, with 10+ years of experience. They handle design, permitting, and construction of ADUs for rental income, family housing, and home offices, offering a transferable lifetime warr... read more

Horizon Remodeling Inc. is a full-service residential remodeling company offering kitchen, bathroom, roofing, flooring, painting, and ADU conversions. Dedicated project managers coordinate all trades, keeping projects on schedule and within budget... read more

ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.

Pomona General Contractors offers ADU construction in Pomona, including detached ADUs, attached ADUs, and garage conversions. Services cover permitting, 3D design, energy-efficient builds, and full construction management for granny flats, in-law ... read more

High Power Construction, based in Compton, CA, offers ADU contractor services including detached units, garage conversions, granny flats, and in-law suites. Serving the greater Los Angeles area with quality craftsmanship.

Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.

Are you looking for the best ADU Contractor in Los Angeles? Having 20+ years of experience, Lux Dev LA offers the most affordable ADU Construction & design services. Let us design and build your new ADU project today. Contact us for a FREE quo... read more

US Modular Inc. is a trusted ADU builder in Riverside County, CA, with 35+ years of experience. They offer prefab ADUs, garage conversions & casitas starting at $150,000, completed in 6–9 months.