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Detached ADU near Rancho Santa Margarita, CA
MTZ Contractors
3515 Atlantic Avenue, Long Beach, CA 90807 36 milesLooking for the best ADU construction? Choose Mtz Contractors Inc to completely transform your property, known for constructing excellent ADUs in Long Beach CA. We create and build Accessory Dwelling Units that meet your precise requirements for quality.
read moreFull Circle Builders
26111 Ynez Road, Temecula, CA 92591 26 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 moreHarding Design & Construction
4040 East Vermont Street, Long Beach, CA 90814 32 milesEaston Designs
960 North Tustin Street, Orange, CA 92867 18.4 milesEaston Designs and Consulting (EDC) is an Orange County, CA home design, architecture, and remodeling firm. Services include ADU construction, kitchen remodels, room additions, pools, and outdoor living. Free consultations available.
read moreLunasol construction
5857 Owens Avenue, Carlsbad, CA 92008 39.8 milesLunasol Construction is a San Diego ADU contractor specializing in detached ADUs, garage conversions, and JADUs. They offer custom designs for in-law suites, rental units, and granny flats, helping homeowners add value and living space.
read moreCornejos Builders
8909 Elmont Avenue, Downey, CA 90240 37.6 milesCornejos Builders offers ADU construction, garage conversions & home additions in LA & Orange County. 24 ADUs completed in 4 years. Costs range $80K–$250K. Licensed, insured, bonded. 1-year warranty included.
read moreParamount Manufactured Sales
11759 Magnolia Avenue, Riverside, CA 92503 22.8 milesParamount Manufactured Sales in Riverside offers Skyline Homes-built ADUs for Southern California homeowners in LA, Orange, Riverside, San Bernardino & San Diego Counties. Models range from 479–849 sq ft. California law now allows detached ADUs up to 1,200 sq ft.
read moreKuhlman Scott Architects
607 North Vulcan Avenue, Encinitas, CA 92024 43.1 milesKuhlman Scott Architects specializes in custom ADU design across San Diego County. Led by Todd Kuhlman, with 30+ years of experience, the firm creates detached ADUs, garage conversions, and JADUs tailored for quality, livability, and long-term property value.
read moreLion Builder Construction
777 West 19th Street, Costa Mesa, CA 92627 19.1 milesLion 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.
read moreNucave Construction Inc.
440 South Melrose Drive, Vista, CA 92081 36.5 milesExperienced ADU contractor offering a structured process: site assessment, custom design options, transparent cost estimates, permit guidance, and financing support. Specializing in detached ADUs, garage conversions, and in-law suites.
read moreStephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563 26.4 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 moreDagan Design & Construction
1106 2nd Street, Encinitas, CA 92024 44.7 milesDagan Design & Construction (DDC), founded in 2012 in Encinitas, CA, offers custom home design, luxury renovations, interior design, and general contracting across Southern California and nationwide.
read moreThe ADU Company
504 East Navilla Place, Covina, CA 91723 34.9 milesThe ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
read moreGreen Room Design-Build
136 North Acacia Avenue, Solana Beach, CA 92075 48 milesSolana Beach is a beautiful coastal community in the City of San Diego, where property values and flexible living are priced at a premium. An accessory dwelling unit (ADU) provides you with the opportunity to take advantage of this by increasing your home’s square footage, generating rental income, and increasing the value of your property.
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 Rancho Santa Margarita, 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 Rancho Santa Margarita 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.
Rancho Santa Margarita 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 Rancho Santa Margarita, California, and get started today.