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Detached ADU near Santa Ana, CA
Pomona General Contractors
3191 W Temple Ave Suite 130, Pomona, CA 91768 22.3 milesPomona 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 suites, and backyard cottages.
read moreFull Circle Builders
26111 Ynez Road, Temecula, CA 92591 43.7 milesFull Circle Builders offers custom ADU construction in Riverside County & the Inland Empire. Detached ADUs start at $185,000 (590 sq ft, 1BD/1BA). Container homes also available. Turn-key builds, permitting assistance included.
read moreCoastal Builders
610 E Santa Clara Ave, Santa Ana, CA 92706 2.4 milesCoastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.
read moreAddition Builders La
1352 Palms Blvd, Los Angeles, CA 90291 39.7 milesAddition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months with transparent pricing.
read moreHuntington Beach Pro ADU Builder
7772 Warner Avenue, Huntington Beach, CA 92647 8.7 milesHuntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transparent pricing.
read moreStephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563 44.1 milesStephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
read moreMichael Matthews Studio
Baxter Street, Los Angeles, CA 90039 30.2 milesMichael 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 moreIBA Builders
13743 Ventura Boulevard, Sherman Oaks, CA 91423 43.1 milesGarage conversion to ADU in Los Angeles requires structural upgrades, permits, and utility connections. IBA Builders evaluates ceiling height, slab condition, setbacks, and utility access before design begins, ensuring code compliance and accurate project scoping.
read moreEHD Builders
18375 Ventura Boulevard, Tarzana, CA 91356 48.2 milesEHD Builders offers ADU construction services in Los Angeles, CA, including garage conversions, detached units & additions. Costs range from $150K–$350K+. Services cover permits, framing, plumbing, electrical & more.
read moreYOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607 42.7 milesAn ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.
read moreBela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291 38 milesBela Development is an LA-based design-build firm with 15+ years specializing in ADU construction, garage conversions, detached ADUs, and JADUs. They manage design, permitting, and build under one roof, delivering legal living spaces that boost property value by 20–30%.
read moreSennikoff Architects
5500 2nd Street, Long Beach, CA 90803 14.5 milesSennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with full permit coordination.
read moreADU Maxx
4401 Atlantic Avenue, Long Beach, CA 90807 18.4 milesCustom ADU Builder
Los Angeles, CA 90012 30.1 milesCustom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
read moreOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
What you need to know
Searching for top Detached ADU ADU Contractors in Santa Ana, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Santa Ana ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Santa Ana homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Santa Ana, California, and get started today.