Detached ADU near Fallbrook, CA

ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.

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.

PacGen Construction is a Temecula-based ADU contractor specializing in granny flats, casitas, and in-law suites. They offer full design-build services, permitting assistance, and custom ADU construction for homeowners seeking rental income or extra living space.

Musick Construction Inc. offers ADU construction services including new builds and conversions like garage and basement conversions. They handle permits, design, and finishes for granny flats, in-law suites, and rental units.

North County ADU Construction is a local ADU contractor serving north San Diego County. They specialize in garage conversions, JADUs, detached ADUs, and prefab installs. With 500+ builds and a 96% satisfaction rate, they handle design, permitting, and construction.

Home 360 Construction Inc. offers full-service ADU construction in San Diego, including detached, attached, and garage conversion units. They manage planning, permits, design, and inspections across San Diego County neighborhoods.

The ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.

Casita ADU is a San Diego-based full-service ADU builder handling permitting, design, and construction. As a trusted accessory dwelling unit contractor, they manage every project phase, ensuring on-time, on-budget builds for California homeowners.

ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage conversions, or backyard cottages.

SDS Homes Construction is a Temecula, CA design-build contractor specializing in ADUs, granny flats, and Casitas. They offer turnkey services from design to permitting and construction, serving Temecula and Murrieta homeowners.

Expert ADU builder serving San Diego, including La Jolla, Chula Vista & Encinitas. Full-service accessory dwelling unit construction: planning, design & permitting. In-house team ensures quality granny flats & backyard cottages built to code.

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.

Mastery offers full-service ADU construction in San Diego, covering design, permitting, and building. Specializing in detached ADUs, garage conversions, and granny flats, they also provide kitchen remodeling, room additions, roofing, and 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.