Attached ADU near Whittier, CA
Ataman Studio
13151 Fountain Park Drive, Los Angeles, CA 90094
23.6 miles
Ataman Studio is a trusted ADU contractor in Los Angeles, serving all of California. Full-service design, permitting, and construction for detached ADUs, garage conversions, and in-law units, with compliance to local zoning and state regulations.
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Avorino
360 E 1st St #355, Tustin, CA 92780
19.1 miles
Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.
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View ADU Builders
18740 Ventura Boulevard, Tarzana, CA 91356
33.1 miles
View ADU Builders is a trusted Los Angeles ADU contractor specializing in detached ADUs, garage conversions, attached ADUs & in-law suites. Costs range from $80K–$350K+. Free 3D design consultations available.
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The ADU Company
504 East Navilla Place, Covina, CA 91723
11.2 miles
The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
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AP Remodeling
5972 Washington Boulevard, Los Angeles, CA 90232
21.8 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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R Remodeling
6745 Washington Avenue, Whittier, CA 90601
1.8 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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Premium ADU
5161 Lankershim Boulevard, North Hollywood, CA 91601
24.5 miles
Premium ADU is a Los Angeles ADU specialist offering design, permitting, and construction of detached ADUs, garage conversions, and JADUs. Operating since 2021 with an in-house team, projects typically complete in 6–12 months.
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Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
13.7 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
16.7 miles
Structura Remodeling is an LA-based licensed ADU contractor specializing in Accessory Dwelling Units, garage conversions & JADUs. Costs range $115K–$145K. Financing options include HELOC & construction loans. Free consultation available.
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Ofir Construction
20641 Schoolcraft Street, Winnetka, CA 91306
35 miles
Ofir Construction Inc. is a Los Angeles ADU contractor with nearly 20 years of experience. They specialize in ADU builds, garage conversions, and in-law suites, managing permits, planning, and construction while following California building codes.
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Silver Hammer Builders
11150 West Olympic Boulevard, Los Angeles, CA 90064
24.6 miles
Silver Hammer Builders is a licensed ADU contractor in Los Angeles with 15+ years of experience. Services include garage conversions, detached ADUs, JADUs & in-law suites. Full project management, permits, and free consultations offered.
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EcoSmart Builders
21300 Victory Boulevard, Calabasas, CA 91367
36.4 miles
EcoSmart Builders is a licensed Southern California ADU contractor specializing in accessory dwelling units, home expansions, and fire rebuilds. Serving Los Angeles County, they manage design, permitting, and construction of detached, attached, garage conversion, and junior ADUs.
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Urbane Design
8619 Reseda Boulevard, Northridge, CA 91324
34.2 miles
Urbane Design is a Los Angeles ADU contractor offering design, planning, and permitting for attached and detached ADUs. Services include 3D floor plans, engineering plans, and permit processing with transparent pricing and free consultations.
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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
24.9 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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Liebo Builders
750 North San Vicente Boulevard, West Hollywood, CA 90069
22.3 miles
Liebo Builders is a Southern California ADU contractor specializing in detached, attached, garage conversion & interior ADUs. Services include custom design, permitting, and construction for guest houses, rentals & home offices.
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What you need to know
Searching for top Attached ADU ADU Contractors in Whittier, 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 Whittier 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.
Whittier 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 Whittier, California, and get started today.