ADU Contractors near Fullerton, CA
Ohayon Construction
Los Angeles, CA 90012
21.5 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
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Level Up Contractor
6700 Fallbrook Avenue, West Hills, CA 91307
44.6 miles
Level Up Contractor is an ADU builder in Los Angeles offering garage conversions, detached ADUs, and JADUs. Services include full permitting, design-build, and LADBS coordination. Costs range from $100K to $450K depending on project type.
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Capital Construction
41558 Eastman Drive, Murrieta, CA 92562
45.1 miles
Capital Construction Inc. is an experienced ADU contractor building detached ADUs, in-law suites, granny flats, and rental units. Licensed, bonded, and insured, they handle permitting, design, and construction while respecting budgets and timeline... read more
San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
16.7 miles
San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.<... read more
FabuHome
9451 Telstar Avenue, El Monte, CA 91731
14.9 miles
FabuHome offers affordable ADU building services, including detached units, in-law suites & backyard cottages. Full-service design to construction, tailored to your budget, helping homeowners add value & flexible living space.
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NAMA Construction
62 Sundance Dr, Pomona, CA 91766
13.5 miles
NAMA Construction is a family-owned Los Angeles remodeling company with 75 years of experience. Services include ADU construction, kitchen & bathroom remodeling, whole house renovations, flooring, and painting across Greater LA.
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California Dream Builders
13623 Victory Boulevard, North Hollywood, CA 91401
32.4 miles
California Dream Builders specializes in ADU design and construction, offering end-to-end services including architectural design, permitting, and full construction management. They build detached ADUs, granny flats, in-law suites, and backyard co... read more
DREC Construction Services
15338 Central Avenue, Chino, CA 91710
15.1 miles
DREC Construction Services is a licensed ADU builder in Glendale, CA, with 10+ years of experience. They handle design, permitting, and construction of ADUs for rental income, family housing, and home offices, offering a transferable lifetime warr... read more
High Power Construction
3201 N Alameda St Suite E, Compton, CA 90222
17 miles
High Power Construction, based in Compton, CA, offers ADU contractor services including detached units, garage conversions, granny flats, and in-law suites. Serving the greater Los Angeles area with quality craftsmanship.
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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
Vision Home Remodeling
7717 Owensmouth Avenue, Canoga Park, CA 91304
44.4 miles
Vision Home Remodeling Inc. offers full-service ADU construction in Los Angeles, including detached units, attached dwellings, casitas, and rental-ready granny flats. Services cover design, permitting, and ground-up builds tailored to LA zoning la... read more
Pure Energy Construction
9301 Corbin Avenue, Northridge, CA 91324
42.7 miles
Pure Energy Construction (License #1066309) is a Northridge, CA general contractor serving Southern California. They specialize in kitchen remodels, bathroom renovations, and ADU construction, including garage conversions and detached units.
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King Home Remodeling
1012 West Beverly Boulevard, Montebello, CA 90640
14.6 miles
King Home Remodeling builds detached, attached, garage conversion, basement, and junior ADUs in Montebello. Services include design, permitting, construction, and inspections. Local zoning, size limits, and parking rules apply.
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Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
22.5 miles
Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.read more
Prime Team Builders
147 West Route 66, Glendora, CA 91740
17.3 miles
Prime Team Builders is a general contracting company serving the Inland Empire, including Pomona, Ontario, Riverside & more. They specialize in kitchen remodeling, bathroom remodeling, and residential renovations throughout Southern California... read more
Other cities in California
What you need to know
ADU Contractors in Fullerton, CA: Building in a Historic and Vibrant City
Fullerton, California, is a city known for its rich historic downtown, thriving arts scene, and a large student population thanks to California State University, Fullerton (CSUF). With a growing demand for housing and a diverse mix of older single-family homes and newer developments, ADU contractors in Fullerton are in high demand. The city's unique blend of historic neighborhoods and modern development makes accessory dwelling units (ADUs) an attractive solution for homeowners looking to add rental income, house family members, or increase property value.
Fullerton ADU Regulations and Zoning Requirements
ADU contractors working in Fullerton must navigate both California state ADU laws and the City of Fullerton's local ordinances. Fullerton falls under the jurisdiction of Orange County and follows state guidelines under AB 68, AB 881, and SB 13, which streamlined ADU approvals across California. Key regulations that experienced Fullerton ADU contractors must be familiar with include:
- Setback requirements: ADUs in Fullerton generally require a minimum 4-foot side and rear setback.
- Height limits: Detached ADUs are typically limited to 16 feet in height, though this can vary based on proximity to the main dwelling.
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are limited to 50% of the primary dwelling's square footage.
- Owner-occupancy rules: As of 2020, California law removed owner-occupancy requirements for ADUs built before 2025, giving Fullerton homeowners more flexibility.
- Parking requirements: In many cases, especially near transit corridors, parking requirements for ADUs may be waived.
Types of ADUs Built by Fullerton Contractors
Skilled ADU builders in Fullerton offer a variety of ADU types to suit different property layouts and homeowner needs. Given the prevalence of older ranch-style homes and bungalows in neighborhoods like Sunny Hills and Raymond Hills, garage conversions and detached backyard cottages are especially popular. Common ADU types include:
- Detached ADUs (backyard cottages or casitas)
- Attached ADUs (additions to the primary home)
- Garage conversion ADUs (converting existing garages into living spaces)
- Junior ADUs (JADUs) — up to 500 sq ft within the existing home footprint
Why Hire a Local Fullerton ADU Contractor?
Hiring a local ADU contractor in Fullerton ensures that your project is handled by professionals who understand the City of Fullerton's permitting process, building department requirements, and inspection protocols. Local contractors are familiar with the Fullerton Building and Safety Division and can efficiently manage permit applications, plan checks, and construction timelines. Whether you're near the CSUF campus looking to create student housing or in a quiet residential neighborhood seeking a multigenerational living solution, a qualified Fullerton ADU contractor can help you maximize your property's potential while staying fully compliant with all local and state regulations.