Attached ADU near Porter Ranch, CA
Custom ADU Builder
113 West Santa Fe Avenue, Fullerton, CA 92832
46.3 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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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
28.6 miles
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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IBA Builders
13743 Ventura Boulevard, Sherman Oaks, CA 91423
11.1 miles
Garage conversion to ADU in Los Angeles requires structural upgrades, permits, and utility connections. IBA Builders evaluates ceiling height, slab condition, setbacks, and utility access before design begins, ensuring code compliance and accurate project scoping.
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DECLA Inc.
20850 Sorrento Lane, Porter Ranch, CA 91326
0.6 miles
DECLA Inc. is a multidisciplinary architecture, engineering, real estate, and construction firm developing ADU services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Coming soon.
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Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423
11.1 miles
King Home Remodeling
1012 West Beverly Boulevard, Montebello, CA 90640
31 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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Harding Design & Construction
4040 East Vermont Street, Long Beach, CA 90814
43 miles
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
40.4 miles
ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.
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CCS Inc
16906 Burbank Boulevard, Los Angeles, CA 91316
15.9 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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Ultra-Unit Architectural Studio
1327 Loma Avenue, Long Beach, CA 90804
41.4 miles
Ultra-Unit Architectural Studio, based in Long Beach, CA, offers architecture and construction services for ADUs, residential, multifamily, and commercial projects. Led by Cameron Crockett AIA, LEED, with 25+ years experience. Free initial consultations available.
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Aspace Studios
p.o. box 851, Glendora, CA 91741
41.3 miles
Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.
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YOR Construction
12135 Miranda Street, Valley Village, CA 91607
11.9 miles
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective options. YOR Construction, an LA-based ADU contractor, specializes in garage conversions tailored to homeowner needs.
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LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
34.3 miles
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project support.
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California ADU Experts
111 East Cedar Avenue, Burbank, CA 91502
16.3 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 to your specific requirements. They're committed to turning your vision into reality and ensuring you enjoy the journey while achieving outstanding results.
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Buildwright Construction
5320 Satsuma Avenue, North Hollywood, CA 91601
13.4 miles
Buildwright Construction offers full-service ADU construction, including detached ADUs, granny flats, in-law suites, and JADUs. They handle planning, permits, and building, helping property owners add rental income, guest space, or multi-generational living.
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Other cities in California
What you need to know
Searching for top Attached ADU ADU Contractors in Porter Ranch, 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 Porter Ranch 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.
Porter Ranch 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 Porter Ranch, California, and get started today.