Detached ADU near Rancho Santa Margarita, CA
Backyard Bungalows
2131 Palomar Airport Road, Carlsbad, CA 92011
39.8 miles
Sequoia Homes & Backyard Bungalows offer affordable ADU builder services in Carlsbad, CA. From granny flats to in-law suites, they handle design, permits, financing & installation. Projects completed in as little as 8 weeks.
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The Sterling-Watson Collective
1441 Huntington Dr, 1900, South Pasadena, CA 91030
45.5 miles
Sterling-Watson Collective is a full-service ADU contractor in Los Angeles offering design, permitting, structural engineering & construction management for accessory dwelling units, helping homeowners add rental units, guest suites & more.
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EZ ADU & Garage Conversion
300 South Harbor Boulevard, Anaheim, CA 92805
23 miles
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 solutions.
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Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740
29.2 miles
Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,200–$1,600/month.
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Woollard Construction
40547 Windsor Road, Temecula, CA 92591
29.2 miles
Woollard Construction is a family run general contractor specializing in ADUs and bathroom remodels. Formed over 25 years ago in Temecula, California, we deliver professional building projects with care and precision in Temecula and Murrieta.
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Aligcus
1841 South San Gabriel Boulevard, San Gabriel, CA 91776
42.8 miles
Aligcus is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, in-law suites, and backyard cottages. They guide homeowners through permitting and construction for all accessory dwelling unit projects.
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Streamline Design Group
500 La Terraza Boulevard, Escondido, CA 92025
46.1 miles
Streamline Design Group offers ADU design and permitting in San Diego, covering detached, attached, JADU, garage conversions, and multi-family units. Referenced in the State ADU handbook, they deliver permit-ready plans at 40–60% less than architect fees.
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R Remodeling
6745 Washington Avenue, Whittier, CA 90601
32.4 miles
R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.
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Carlsbad Custom ADU Builders
2382 Faraday Avenue, Carlsbad, CA 92008
39 miles
Carlsbad Custom ADU Builders specializes in custom ADU construction, detached units, granny flats, in-law suites & backyard offices. Offering transparent pricing, flexible financing & full-service solutions to maximize property value in Carlsbad.
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LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
37.1 miles
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project support.
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ADU West Coast
13001 Seal Beach Boulevard, Seal Beach, CA 90740
29.2 miles
ADU West Coast is a full-service ADU builder in Southern California specializing in garage conversions, detached units, granny flats & JADUs. 15+ years experience, full permitting support & flexible financing. Earn $1,900+/month in rental income.
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Green Room Design-Build
136 North Acacia Avenue, Solana Beach, CA 92075
48 miles
Solana 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.
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San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
42.1 miles
San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.
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Infinity ADU
645 West 15th Street, Long Beach, CA 90813
35.9 miles
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.
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ADU Professionals
8175 Limonite Avenue, Corona, CA 92509
25.4 miles
ADU Professionals, Corona CA, builds custom Accessory Dwelling Units since 1999. Offering floor plans from 500–1,200 sq ft, including detached ADUs, granny flats & in-law suites for rental income or multigenerational living.
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Other cities in California
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.