Attached ADU near Fullerton, CA
R Remodeling
6745 Washington Avenue, Whittier, CA 90601
6.7 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 disrup... read more
Green Tech
5605 Woodman Avenue, Van Nuys, CA 91401
36.8 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
Go Home Builders
15132 Ventura Boulevard, Sherman Oaks, CA 91403
35.2 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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OC Builders Group
600 West Santa Ana Boulevard, Santa Clara, CA 92701
10 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
ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
4.9 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 ... read more
Heart Construction
10867 Fruitland Drive, Studio City, CA 91604
30.8 miles
Heart Construction builds ADUs in Los Angeles, offering detached, attached, garage conversions, JADUs & more. Full-service from permits to completion. Ideal for rental income, multigenerational living & property value growth.
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NP Line Design INC
22616 Kittridge Street, West Hills, CA 91307
46.9 miles
Socal Upgrades ADU
1288 North Verdugo Road, Glendale, CA 91206
26 miles
SoCal Upgrades is a full-service ADU contractor in Los Angeles & Glendale, specializing in detached ADUs, garage conversions, JADUs & granny flats. They handle design, permits, construction & financing for a seamless, turnkey experience.
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Delcoi
21650 Oxnard Street, Woodland Hills, CA 91367
43.6 miles
Delcoi is an ADU contractor specializing in granny flats, casitas, in-law suites, detached ADUs, garage conversions, and backyard cottages. They handle permits, regulatory compliance, and quality construction to maximize living space and rental in... read more
Landmark Building Inc
Los Angeles, CA 90027
25.7 miles
Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free es... read more
DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
27.4 miles
DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion... read more
UADU
1702 S. Robertson Blvd. #177, Los Angeles, CA 90035
28.8 miles
UADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.
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Romano Builders
14407 Gilmore Street, Van Nuys, CA 91401
36.3 miles
Romano Builders specializes in ADU construction in Los Angeles, offering detached, attached, garage conversion, and junior ADUs. Costs range $300–$600/sq ft, with rental income potential of $1,500–$4,000+/month.
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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
26.9 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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RODO Development LLC
19720 Ventura Boulevard, Woodland Hills, CA 91364
42.2 miles
RODO Development LLC is a licensed LA-based ADU contractor offering full-service design-build solutions including garage conversions, detached ADUs, attached ADUs, basement conversions & custom designs across Los Angeles and surrounding areas.... read more
Other cities in California
What you need to know
Searching for top Attached ADU ADU Contractors in Fullerton, 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 Fullerton 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.
Fullerton 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 Fullerton, California, and get started today.