Junior ADU (JADU) near Fullerton, CA
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 Costa Mesa and Irvine.
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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
32.4 miles
Build Method Construction is a licensed ADU contractor in Los Angeles County with 25+ years of experience. They build detached ADUs, garage conversions, JADUs, and more—handling design, permits, and construction for single and multi-family properties.
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Willbii
2158 Huntington Drive, San Marino, CA 91108
19.9 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income.
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The ADU Guru
3438 Troy Drive, Los Angeles, CA 90068
29.8 miles
The ADU Guru is a full-service ADU contractor in Los Angeles & Orange County, specializing in garage conversions, detached ADUs & granny flats. With 100+ units completed, they offer $0 down, free 3D design & tenant placement.
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Reef Builders Inc
6320 Topanga Cyn. Blvd, Woodland Hills, CA 91367
44 miles
Reef Builders Inc is a Los Angeles ADU contractor founded in 2012, specializing in detached ADUs, garage conversions, JADUs & attached units. They manage permits, design, and full construction for homeowners seeking rental income or extra living space.
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CentrePoint Construction Inc.
21133 Victory Boulevard, Canoga Park, CA 91303
44.9 miles
CentrePoint Construction Inc. offers turnkey ADU construction and garage conversions in Los Angeles. Services include detached ADUs, JADUs, design, permits, and city approvals—ideal for rental income or family housing.
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Custom ADU Builder
113 West Santa Fe Avenue, Fullerton, CA 92832
1 miles
Full-service ADU contractor offering design, permitting, and construction of detached ADUs, attached ADUs, JADUs, and garage conversions. Most builds complete in 3–5 months. Includes quartz countertops, tile showers, and luxury vinyl flooring. Rental prep support available.
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Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423
34.9 miles
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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Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039
25.2 miles
Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
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Daniel's Development Group
22025 San Miguel Street, Woodland Hills, CA 91364
42.6 miles
Daniel's Development Group builds ADUs in Los Angeles, including attached, detached, garage conversions & JADUs. Permits cost ~$6,000. Rental income averages $2,500/month. Free consultations available.
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Jay Remodeling
15219 Sunset Boulevard, Los Angeles, CA 90272
33.5 miles
Jay Remodeling is a licensed ADU contractor in Los Angeles offering attached, detached, garage conversion, basement, and Junior ADUs. They handle design, permitting, and construction, helping homeowners add rental income or family space while boosting property value.
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IA Builders
10736 Jefferson Blvd, Unit 703, Culver City, CA 90230
27.9 miles
IA Builders is a Los Angeles construction company offering new home builds, remodeling, additions, and ADU construction. Services include garage conversions, detached ADUs, and in-law suites, delivered with quality craftsmanship and transparent pricing.
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Paramount Manufactured Sales
11759 Magnolia Avenue, Riverside, CA 92503
28.9 miles
Paramount Manufactured Sales in Riverside offers Skyline Homes-built ADUs for Southern California homeowners in LA, Orange, Riverside, San Bernardino & San Diego Counties. Models range from 479–849 sq ft. California law now allows detached ADUs up to 1,200 sq ft.
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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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Other cities in California
What you need to know
Searching for top Junior ADU (JADU) 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 Junior ADU (JADU) 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 Junior ADU (JADU) 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 Junior ADU (JADU) experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Junior ADU (JADU) ADU Contractors in Fullerton, California, and get started today.