Detached ADU near Costa Mesa, CA
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.
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Jean Prescott Studio
120 Newport Center Dr, Newport Beach, CA 92660
4.3 miles
Jean Prescott Studio offers ADU design, construction, and home remodeling services in San Clemente. Services include kitchen remodels, bathroom renovations, room additions, permit management, and custom ADU plans for rental income or flexible living.
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Go Home Builders
15132 Ventura Boulevard, Sherman Oaks, CA 91403
45.5 miles
GO Home Builders is a licensed LA construction company specializing in custom homes, ADUs, garage conversions, fire rebuilds, and remodels. Their design-build model streamlines permitting, zoning, and construction across Los Angeles and LA County.
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Eric Go Build
3765 170th Street, Torrance, CA 90504
28.4 miles
Eric Go Build (EG'S Built Construction) specializes in ADU construction, offering custom granny flats, in-law suites & backyard cottages. They provide tailored designs, quality materials & timely delivery to boost property value.
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ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
38.4 miles
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
11.9 miles
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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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 properties.
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Revival Homes
1150 South Olive Street, Los Angeles, CA 90015
32.6 miles
Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
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Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
15.3 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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The Sterling-Watson Collective
1441 Huntington Dr, 1900, South Pasadena, CA 91030
33 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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ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
10.9 miles
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.
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WM Construction
10535 Foothill Boulevard, Rancho Cucamonga, CA 91730
36.7 miles
WM Construction is a licensed ADU contractor in Los Angeles offering full-service builds, from site assessment and design to permitting and post-construction support, helping homeowners add granny flats, garage conversions, and in-law suites compliantly.
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Pros ADU Builders
27201 Puerta Real, Lake Forest, CA 92691
15.5 miles
Pros ADU Builders in El Cerrito specializes in ADU construction, including detached units, garage conversions, in-law suites, and granny flats. They handle permits, planning, and turnkey builds tailored to each property.
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LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
33.9 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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Oceanside ADU Design
3355 Mission Avenue, Aaronsburg, PA 92058
45.3 miles
Oceanside ADU Design is an Oceanside, CA firm specializing in detached, attached, garage conversion, and junior ADUs. Founded by structural engineer Devin, they handle architecture, engineering, and permitting in-house for efficient, budget-conscious results.
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Other cities in California
What you need to know
Searching for top Detached 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 Detached 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 Detached 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 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 Costa Mesa, California, and get started today.