Detached ADU near Fullerton, CA
WM Construction
10535 Foothill Boulevard, Rancho Cucamonga, CA 91730
26.4 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 compl... read more
Waconah Construction
616 Edgewood Street, Inglewood, CA 90302
25 miles
Waconah Construction builds custom ADUs in West Los Angeles, including backyard cottages, garage conversions, above-garage units, and granny flats. Serving Santa Monica, Venice, Brentwood & Beverly Hills, they guide homeowners through design, ... read more
Calpacific Constracting
24024 Outrigger Drive, Canyon Lake, CA 92587
41.7 miles
Calpacific Contracting builds ADUs, casitas & garage conversions across Riverside, Orange, LA & San Bernardino Counties. 80+ years experience. Full-service: permits, design, construction & inspections handled end-to-end.
read more
CCS Inc.
5535 Balboa Boulevard, Encino, CA 91316
38.1 miles
CCS Inc. offers ADU construction, garage conversions, remodeling & permit services in Long Beach, CA. Costs range from $100K–$400K+, with timelines of 4–14 months. Free consultations available for eligible residential properties.
read more
Motif Architecture
30211 Avenida De Los Banderas #200, Rancho Santa Margarita, CA 92688
25.4 miles
Motif Architecture offers ADU, JADU, and garage conversion design services in Orange County, CA. Their five-phase process covers space planning, permitting, and construction. Projects include backyard cottages and garage-to-ADU conversions in Cost... read more
EHD Builders
18375 Ventura Boulevard, Tarzana, CA 91356
40.3 miles
EHD Builders offers ADU construction services in Los Angeles, CA, including garage conversions, detached units & additions. Costs range from $150K–$350K+. Services cover permits, framing, plumbing, electrical & more.
read more
Southland Remodeling
15021 Ventura Boulevard, Sherman Oaks, CA 91403
35.7 miles
Southland Remodeling is a Los Angeles ADU contractor offering detached ADUs, garage conversions, and room additions. With 20+ years experience, they handle design, permits, and construction across LA and San Fernando Valley.
read more
Addition Builders La
1352 Palms Blvd, Los Angeles, CA 90291
31.8 miles
Addition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months wit... read more
LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
12.1 miles
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project... read more
ADU Design Homes
2610 Pacific Avenue, Manhattan Beach, CA 90266
27.3 miles
ADU Design Homes is a full-service ADU design and build firm in Los Angeles and Orange County. They handle detached ADUs, JADUs, garage conversions, permitting, engineering, and construction under one roof.
read more
The Los Angeles ADU Builders
240 South Beverly Drive, Beverly Hills, CA 90212
30.1 miles
Los Angeles ADU Builders is a licensed ADU contractor in Beverly Hills offering custom ADU design, garage conversions, detached ADUs, JADUs & in-law suites. CSLB certified, fully insured, with expert permit handling & transparent pricing.<... read more
Oasis Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
31.4 miles
Oasis Builders is a trusted ADU contractor serving Greater Los Angeles, specializing in detached ADUs, attached ADUs, and garage conversions. Costs range from $100K–$300K, with timelines of 6–12 months. Full-service: permits, blueprints & ... read more
K&S Design Build
11115 Aqua Vista Street, Los Angeles, CA 9160
32 miles
K&S Design Build specializes in ADU construction and garage conversions, offering full design-build services from concept to completion. They handle permits, city regulations, and create granny flats, in-law suites, backyard cottages, and rent... read more
ADU Design Build
21781 Ventura Blvd, Los Angeles, CA 91364
43.3 miles
ADU Design + Build is a Los Angeles County general contractor specializing in ADU planning, design, and construction. Services include detached ADUs, garage conversions, and backyard cottages. ADUs can boost property value and generate $2,000+/mon... read more
J. P Homes
780 North Euclid Street, Anaheim, CA 92801
3.2 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.
read more
Other cities in California
What you need to know
Searching for top Detached 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 Detached 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 Detached 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 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 Fullerton, California, and get started today.