Detached ADU near Fullerton, CA
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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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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A.G.A. Construction Inc
18375 Ventura Boulevard, Tarzana, CA 91356
40.3 miles
A.G.A. Construction Inc is a Los Angeles ADU contractor specializing in accessory dwelling units & JADUs. Services include custom design, permits, plumbing, electrical & energy-efficient construction to maximize property value.
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Legacy Builders LA
Los Angeles, CA
21.5 miles
Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.
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Easton Designs
960 North Tustin Street, Orange, CA 92867
7.7 miles
Easton Designs and Consulting (EDC) is an Orange County, CA home design, architecture, and remodeling firm. Services include ADU construction, kitchen remodels, room additions, pools, and outdoor living. Free consultations available.
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Bunch Design
2718 West Avenue 34, Los Angeles, CA 90065
29.2 miles
ADUs (granny flats/backyard cottages) boost property value & rental income. Bunch Design, LA, offers custom & pre-designed ADUs: Garage Studio ($300K+), Cottage ($400K+), Stop Making Sense ($425K+), and Step ADU ($425K+).
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ADU Cities
1420 East Katella Avenue, Anaheim, CA 92867
6.1 miles
ADU Cities is a California design-build firm specializing in ADUs, JADUs, garage conversions, and remodels. They manage design, permitting, and construction, helping homeowners add living space, boost property value, or generate rental income.
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LA Family Builders
6355 California 27, Los Angeles, CA 91367
27.6 miles
LA 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.
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AP Remodeling
5972 Washington Boulevard, Los Angeles, CA 90232
28.4 miles
AP Remodeling is an ADU contractor offering garage conversions, ground-up ADU builds, and home additions. Projects range from 400 to 1,200+ sq ft with budgets from $20,000 to $300,000+, serving homeowners seeking rental income, in-law suites, or extra space.
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CCS Inc
16906 Burbank Boulevard, Los Angeles, CA 91316
30.2 miles
CCS Inc (CSLB #B1047699) is a licensed LA general contractor since 1984 specializing in ADU construction, garage conversions, and room additions. They manage design, permitting, and build, with ADUs generating up to $3,500/month rental income.
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Platinum Home Builders
5170 Sepulveda Boulevard, Los Angeles, CA 91403
35.6 miles
Platinum 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.
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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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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 disruption.
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1 Degree Construction
13107 Ventura Boulevard, Studio City, CA 91604
32.5 miles
1 Degree Construction is a Los Angeles ADU builder & home addition contractor. Services include detached ADUs, garage conversions, second-story additions & in-law suites. Projects range from $30K to $150K+.
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UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
11.5 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.
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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.