- › Detached ADU
- › Attached ADU
- › Garage Conversion
- › Basement Conversion
- › Junior ADU (JADU)
- › Prefab / Modular ADU
- › Tiny House
Attached ADU near Fullerton, CA
EG Modern Construction
421 East Elmwood Avenue, Burbank, CA 91501 29.4 milesEG Modern Construction offers full-service ADU design and construction in Los Angeles, including detached ADUs, garage conversions, and JADUs. Licensed and insured, they manage consultation, permitting, and build completion.
read moreJL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506 31.6 milesAn ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
read moreIron Man Construction
930 North Doheny Drive, Los Angeles, CA 90069 29.9 milesPasadena Master ADU Builder
930 East Colorado Boulevard, Pasadena, CA 91106 21 milesPasadena Master ADU Builder is a top ADU contractor in San Gabriel Valley, offering detached ADUs, garage conversions, and JADUs. With 20+ years experience, 150+ projects, and 98% satisfaction, they deliver compliant, high-quality builds boosting ... read more
ADUscale
528 West Hampshire Avenue, Anaheim, CA 92805 5.8 milesADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage... read more
Tims New Construction
931 Broxton Avenue, Los Angeles, CA 90024 32.2 milesTims New Construction is a Los Angeles contractor specializing in ADU, Junior ADU, and garage conversions. Services include custom design, permitting, and full builds. They also support SB9 projects, helping homeowners add rental units or family h... read more
CCS Inc.
5535 Balboa Boulevard, Encino, CA 91316 38.1 milesCCS 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 morePlatinum Home Builders
5170 Sepulveda Boulevard, Los Angeles, CA 91403 35.6 milesPlatinum Home Builders & Design Inc. builds ADUs in Los Angeles, offering detached, attached, garage conversion, and above-garage units. They handle permits, design, and construction, with projects typically completed in 4–6 months.
read moreOrange County Construction
1173 North Red Gum Street, Anaheim, CA 92806 4.3 milesHomeplex
421 West Broadway, Long Beach, CA 90802 17.4 milesPrefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
read moreGo Home Builders
15132 Ventura Boulevard, Sherman Oaks, CA 91403 35.2 milesiHome Design & Remodel
614 South Euclid Street, Fullerton, CA 92832 1.6 milesiHome Design & Remodel specializes in custom ADU and casita construction, offering full-service builds from design to completion. Services include garage conversions, detached ADUs, permit handling, and free 3D consultations for homeowners.read more
LA Family Builders
6355 California 27, Los Angeles, CA 91367 27.6 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 more
Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423 34.9 milesOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
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.