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Attached ADU near Costa Mesa, CA
Sennikoff Architects
5500 2nd Street, Long Beach, CA 90803 14.1 milesSennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with full permit coordination.
read moreGo Home Builders
15132 Ventura Boulevard, Sherman Oaks, CA 91403 45.5 milesDYM Builders
2372 Morse Avenue, Los Angeles, CA 92614 3.8 milesDYM Builders is an ADU contractor in Los Angeles & Orange County, CA, offering design, permitting & construction services for detached ADUs, garage conversions, attached units & tiny homes since 2016.
read moreFullerton ADU Builder
125 North Euclid Street, Fullerton, CA 92832 14.2 milesFullerton 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 permit handling.
read moreLA Family Builders
6355 California 27, Los Angeles, CA 91367 34.9 milesLA Family Builders is a California general contractor specializing in ADU construction across Los Angeles. Services include detached ADUs, garage conversions, granny flats, JADUs, and casitas, covering Beverly Hills, Pasadena, Malibu, and more.
read moreADUXprt IE General Builders
4534 Carter Court, Chino, CA 91710 27.9 milesOur Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
read moreDoobek Builders
5308 Derry Avenue, Los Angeles, CA 91301 45.6 milesDoobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.
read moreADU's by Design
3600 Lime Street, Riverside, CA 92501 38.1 milesADU's by Design is an Inland Empire ADU contractor serving Riverside & San Bernardino County. They offer full-service accessory dwelling unit design & construction, including detached ADUs, garage conversions, remodeling & architectural design.
read moreADU Garden Grove
11947 Valley View Street, Garden Grove, CA 92846 10.3 milesGreen Tech
5605 Woodman Avenue, Van Nuys, CA 91401 47.6 milesGreen 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 moreLiebo Builders
750 North San Vicente Boulevard, West Hollywood, CA 90069 39.4 milesLiebo Builders is a Southern California ADU contractor specializing in detached, attached, garage conversion & interior ADUs. Services include custom design, permitting, and construction for guest houses, rentals & home offices.
read moreSan Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776 30.5 milesSan 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.
read moreADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807 18.5 milesADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
read moreTNT Design & Build
3142 Tiger Run Court, Carlsbad, CA 92010 48.9 milesTNT Design & Build specializes in ADUs, garage conversions & room additions in San Diego's North County. 15 years experience, in-house management, free architectural design, prices from $325/sqft with guaranteed budget & timeline.
read moreOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Sherman Oaks
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
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.