Attached ADU near Costa Mesa, CA
Avorino
360 E 1st St #355, Tustin, CA 92780
7.6 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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Ataman Studio
13151 Fountain Park Drive, Los Angeles, CA 90094
36.5 miles
Ataman Studio is a trusted ADU contractor in Los Angeles, serving all of California. Full-service design, permitting, and construction for detached ADUs, garage conversions, and in-law units, with compliance to local zoning and state regulations.<... read more
Legacy Builders LA
Los Angeles, CA
32.7 miles
Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.<... read more
ADU Conversion
Los Angeles, CA
32.7 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
Katz Design & Builders inc
316 Culver Boulevard, Playa Del Rey, CA 90293
36.7 miles
Katz Design & Builders Inc offers full-service ADU construction across Los Angeles and Orange County. Services include detached ADUs, garage conversions, attached ADUs, and JADUs, all built to California Title 24 and local zoning standards.read more
Green Tech
5605 Woodman Avenue, Van Nuys, CA 91401
47.6 miles
Green Tech Remodeling offers full-service construction, renovation, and ADU projects including garage conversions, kitchen and bathroom remodels, home additions, flooring, roofing, electrical, plumbing, and more, with 3D design previews included.<... read more
Kyra Construction
15233 Ventura Boulevard, Sherman Oaks, CA 91403
46.2 miles
Kyra Construction is an experienced ADU contractor offering detached ADUs, garage conversions, in-law suites, JADUs, granny flats, and backyard cottages. They handle permits, zoning, and full construction, delivering quality accessory dwelling uni... read more
Joel & Co. Construction
11693 San Vicente Boulevard, Los Angeles, CA 90049
36.4 miles
Joel & Co. Construction, serving Los Angeles since 1983, offers expert residential & commercial construction, including custom homes, kitchen & bathroom remodels, ADUs, room additions, and general contracting across Beverly Hills, Sant... read more
Dobson Construction Inc.
5021 Blum Road, Martinez, CA 94553
31.6 miles
Dobson Construction Inc. is a Bay Area ADU contractor with 16+ years of experience building home additions, detached ADUs, guest suites, and garage conversions. They handle design, permits, and construction for functional, value-adding residential... read more
Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
32.2 miles
Michael 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 more
IND Construction
16430 Ventura Boulevard, Encino, CA 91436
47.5 miles
At IND, we have a talented team of contractors, project leads, designers, and installers dedicated to creating your perfect home remodel or updating any interior or exterior project. We begin by scheduling a meeting with one of our exceptional IND... read more
California ADU Center INC
7542 Laurel Canyon Boulevard, Los Angeles, CA 91605
40.9 miles
California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU reg... read more
Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
29.2 miles
Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039
36.3 miles
Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
43.3 miles
Build Method Construction is a licensed ADU contractor in Los Angeles County with 25+ years of experience. They build detached ADUs, garage conversions, JADUs, and more—handling design, permits, and construction for single and multi-family prope... read more
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What you need to know
Searching for top Attached ADU ADU Contractors in Costa Mesa, 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 Costa Mesa 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.
Costa Mesa 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 Costa Mesa, California, and get started today.