Attached ADU near Westminster, CA
Buildoly
915 Wilshire Blvd, Los Angeles, CA 90017
25.6 miles
Buildoly is an ADU contractor offering full-service construction for detached ADUs, garage conversions, granny flats, JADUs, and backyard cottages. They manage design, permitting, and building, helping homeowners add rental income or family housin... read more
Supreme Remodeling Inc.
5000 Van Nuys Boulevard, Van Nuys, CA 91403
38.4 miles
Supreme Remodeling Inc. is a licensed Los Angeles general contractor with 30+ years of experience. Services include kitchen & bathroom remodeling, ADU construction, garage conversions, room additions, and new home builds across LA, Ventura &am... read more
Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
18.5 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.read more
La Tour Builders
23362-G Via Fabricante, Mission Viejo, CA 92691
21 miles
La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living... read more
Joseph Construction
4695 MacArthur Ct, Newport Beach, CA 92660
9.4 miles
Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.
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Doobek Builders
5308 Derry Avenue, Los Angeles, CA 91301
38.1 miles
Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.
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Concierge Home Remodeling
5950 Canoga Avenue, Woodland Hills, CA 91367
45.7 miles
Concierge Home Remodeling is a Southern California ADU contractor offering full-service design, permitting, and construction. They build detached ADUs, garage conversions, granny flats, and in-law suites, boosting property value with quality craft... read more
ADU1
19326 Ventura Boulevard, Los Angeles, CA 91356
42 miles
ADU1 helps multifamily property owners add ADUs to boost income. Add up to 25% more units plus 2 detached ADUs. Services include a $250 feasibility report, full design-build, and free weekly Q&A sessions every Wednesday.
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DYM Builders
2372 Morse Avenue, Los Angeles, CA 92614
9.6 miles
DYM Builders is an ADU contractor in Los Angeles & Orange County, CA, offering design, permitting & construction services for detached ADUs, garage conversions, attached units & tiny homes since 2016.
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Homeplex
421 West Broadway, Long Beach, CA 90802
11.8 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.
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JL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506
36.7 miles
An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
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Beach Builders Custom Homes
13001 Seal Beach Boulevard, Seal Beach, CA 90740
5 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
Urbane Design
8619 Reseda Boulevard, Northridge, CA 91324
44.7 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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Eric Go Build
3765 170th Street, Torrance, CA 90504
21.6 miles
Eric Go Build (EG'S Built Construction) specializes in ADU construction, offering custom granny flats, in-law suites & backyard cottages. They provide tailored designs, quality materials & timely delivery to boost property value.
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California ADU Experts
111 East Cedar Avenue, Burbank, CA 91502
34.4 miles
California ADU Experts simplify the complexities of ADU development with a full-service approach encompassing everything from design and architecture to permitting and construction.
Their goal is to provide a streamlined experience tailored ... read more
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What you need to know
Searching for top Attached ADU ADU Contractors in Westminster, 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 Westminster 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.
Westminster 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 Westminster, California, and get started today.