Detached ADU near Fullerton, CA
A2Z ADUs
3610 Central Avenue, Riverside, CA 92506
31.1 miles
A2Z ADUs, a Riverside, CA-based ADU contractor, builds detached and attached accessory dwelling units, in-law suites, and granny flats, managing design, permitting, and zoning compliance for homeowners seeking rental, guest, or family living space... read more
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
Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740
11.6 miles
Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,20... read more
Ayala Builder Company
#11824, Granada Hills, CA 91344
42.8 miles
Ayala Builder Company in Granada Hills specializes in custom ADU construction, including detached ADUs, granny flats, garage conversions, and in-law suites. They handle design, permitting, construction, and final inspection for code-compliant resu... read more
Homeplex
421 West Broadway, Long Beach, CA 90802
17.4 miles
Prefab 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 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.
read more
Orange Innovation
4949 Bilmoor Avenue, Tarzana, CA 91356
40 miles
Orange Innovation Inc is an ADU builder offering full-service design, engineering, and construction. Specializing in detached ADUs, granny flats, and in-law suites, they manage projects from concept to completion with a focus on budget and timelin... read more
Better Together Builders
7026 Rhea Avenue, Reseda, CA 91335
41 miles
Better Together Builders (BTB) is a full-service ADU contractor offering studio and bedroom floor plans, garage conversions & backyard units. They manage design, permits & construction. California clients may qualify for the CalHFA ADU Gra... read more
DECLA Inc.
20850 Sorrento Lane, Porter Ranch, CA 91326
46.1 miles
DECLA Inc. is a multidisciplinary architecture, engineering, real estate, and construction firm developing ADU services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Coming soon.
read more
Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
25 miles
Cali ADU
3705 W Pico Blvd, Ste 1635, Los Angeles, CA 90012
26 miles
Cali ADU is a top Los Angeles ADU builder offering custom and pre-designed accessory dwelling units, garage conversions, and granny flats. Fixed pricing, fast permitting, and expert project management ensure stress-free builds from design to move-... read more
Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423
34.9 miles
The ADU Builder Inc
3639 Atlantic Avenue, Long Beach, CA 90807
15.8 miles
Los Angeles ADU contractor The ADU Builder offers 10+ years of experience in ADU construction, garage conversions, JADUs, custom homes & remodels. They guide clients through design, permits, financing & building with quality craftsmanship.... read more
BuildForm Design
14401 Sylvan Street, Van Nuys, CA 91401
37.3 miles
BuildForm Design is a Los Angeles general contractor offering full-service ADU design, build, and value engineering. With 15 years of experience, they handle basement conversions, detached ADUs, garage conversions, and more across Southern Califor... read more
Revival Homes
1150 South Olive Street, Los Angeles, CA 90015
21.9 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.
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.