Attached ADU near Rancho Santa Margarita, CA
Avorino
360 E 1st St #355, Tustin, CA 92780
15 miles
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.
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Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
11.9 miles
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property val... read more
ADU Conversion
Los Angeles, CA
47.1 miles
ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners s... read more
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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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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Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
19.7 miles
OC Builders Group
600 West Santa Ana Boulevard, Santa Clara, CA 92701
17.7 miles
OC Builders Group specializes in ADU construction in California, offering detached ADUs, garage conversions, granny flats & in-law suites. They help homeowners navigate permits, zoning & state regulations to add rental income or housing va... read more
MTZ Contractors
3515 Atlantic Avenue, Long Beach, CA 90807
36 miles
Looking 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 q... read more
Fullerton ADU Builder
125 North Euclid Street, Fullerton, CA 92832
25.7 miles
Fullerton ADU Builder offers expert ADU construction services including detached ADUs, garage conversions, JADUs, in-law suites & home additions. 10+ years experience, licensed & insured, transparent pricing, free consultations & full ... read more
Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
6.5 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.read more
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 archi... read more
ADU Garden Grove
11947 Valley View Street, Garden Grove, CA 92846
26.9 miles
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
34.2 miles
ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.
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John Christopher Construction
2246 Newport Blvd Unit A, Costa Mesa, CA 92627
17.5 miles
John Christopher Construction is a Southern California general contractor specializing in ADU design and building. Serving Huntington Beach, Newport Beach, Costa Mesa & more, they offer custom and pre-engineered ADU plans for rental units, in-... read more
Foothill Renovators
2541 Charford Street, Glendora, CA 91740
36.7 miles
Foothill Renovators offers home remodeling, ADU construction, new builds, and additions. Services include flooring, roofing, electrical, plumbing, and more. They handle permits and full project management for detached ADUs, granny flats, and garag... read more
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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.