Attached ADU near Rancho Santa Margarita, CA
SouthStar USA
1611 Pomona Road, Corona, CA 92878
17.3 miles
SouthStar USA offers ADU construction in Riverside & Orange County, CA. Services include detached ADUs, attached ADUs, garage conversions & JADUs. Quality builds, permit-compliant, with transparent pricing for every project stage.
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ADU Maxx
4401 Atlantic Avenue, Long Beach, CA 90807
36.2 miles
Youngren Construction
220 Ohearn Road, Fallbrook, CA 92028
27.2 miles
Youngren Construction builds attached & detached ADUs, including backyard cottages, granny flats & casitas. Ideal for in-law suites, rental income or extra living space. Expert ADU contractor managing projects from planning to completion.
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Horizon Remodeling Inc.
614 South Euclid Street, Fullerton, CA 92832
25.4 miles
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.
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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
49.1 miles
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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iHome Design & Remodel
614 South Euclid Street, Fullerton, CA 92832
25.4 miles
iHome Design & Remodel specializes in custom ADU and casita construction, offering full-service builds from design to completion. Services include garage conversions, detached ADUs, permit handling, and free 3D consultations for homeowners.
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San Gorgonio Builders
529 North 41 Street, Banning, CA 92220
44 miles
San Gorgonio Builders is a licensed General B contractor near Banning, CA, with 40+ years of experience. Specializing in ADU construction, garage conversions, custom homes, and remodeling across Riverside, San Bernardino, Orange, and Los Angeles Counties.
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OC Master ADU Construction
809 East Katella Avenue, Orange, CA 92867
18.5 miles
OC Master ADU Construction builds ADUs across Orange County, offering detached units, garage conversions, JADUs & attached additions. Services include design, permitting & full construction management for rental income or family housing.
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Levatto Construction
1657 Camelot Dr, Redlands, CA 92374
38.4 miles
Levatto Construction offers ADU construction in Redlands, CA, including granny flats, garage conversions, backyard cottages & attached units. Code-compliant builds tailored to your property goals.
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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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LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
42.6 miles
LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to completion.
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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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SDS Homes
42400 Winchester Road, Temecula, CA 92590
29.2 miles
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.
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Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
32.6 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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Fontana General Contractors
14189 Foothill Boulevard, Fontana, CA 92335
33.3 miles
Fontana General Contractors builds custom ADUs, including detached units, garage conversions, and in-law suites. They handle permits, zoning, and full construction management, helping property owners add value and flexible living space.
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What you need to know
Searching for top Attached 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 Attached 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 Attached 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 Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Rancho Santa Margarita, California, and get started today.