Attached ADU near Porter Ranch, CA
UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
47 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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ADU Conversion
Los Angeles, CA
24.1 miles
ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners seeking rental income or multigenerational housing.
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Angelus Construction
330 Arden Avenue, Glendale, CA 91203
19.5 miles
Angelus Construction is a Los Angeles ADU contractor with 30+ years of experience. They offer full-service ADU design, permitting, and construction, plus residential remodeling across Los Angeles and Ventura Counties.
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FabuHome
9451 Telstar Avenue, El Monte, CA 91731
32.4 miles
FabuHome offers affordable ADU building services, including detached units, in-law suites & backyard cottages. Full-service design to construction, tailored to your budget, helping homeowners add value & flexible living space.
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Pasadena Master ADU Builder
930 East Colorado Boulevard, Pasadena, CA 91106
27.2 miles
Pasadena Master ADU Builder is a top ADU contractor in San Gabriel Valley, offering detached ADUs, garage conversions, and JADUs. With 20+ years experience, 150+ projects, and 98% satisfaction, they deliver compliant, high-quality builds boosting property value by 20–30%.
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Willbii
2158 Huntington Drive, San Marino, CA 91108
27.9 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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Oasis Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
18 miles
Oasis Builders is a trusted ADU contractor serving Greater Los Angeles, specializing in detached ADUs, attached ADUs, and garage conversions. Costs range from $100K–$300K, with timelines of 6–12 months. Full-service: permits, blueprints & turnkey construction.
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The ADU Builder Inc
3639 Atlantic Avenue, Long Beach, CA 90807
38.9 miles
Los Angeles ADU contractor The ADU Builder offers 10+ years of experience in ADU construction, garage conversions, JADUs, custom homes & remodels. They guide clients through design, permits, financing & building with quality craftsmanship.
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ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
18.9 miles
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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ADU1
19326 Ventura Boulevard, Los Angeles, CA 91356
7.9 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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Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
41.6 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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Cahla Construction Group
12207 Hawthorne Boulevard, Hawthorne, CA 90250
27.5 miles
Cahla Construction Group is a licensed ADU contractor in Los Angeles offering ADU construction, garage conversions, kitchen & bathroom remodeling, home additions, and general contracting for residential and commercial clients.
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YOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607
11.5 miles
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.
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BuildForm Design
14401 Sylvan Street, Van Nuys, CA 91401
8.2 miles
BuildForm Design is a Los Angeles general contractor offering full-service ADU design, build, and value engineering. With 15 years of experience, they handle basement conversions, detached ADUs, garage conversions, and more across Southern California.
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ADU Ventura County
2734 Johnson Drive, Ventura, CA 93003
36 miles
ADU Ventura County builds accessory dwelling units including detached ADUs, garage conversions, granny flats, and Casitas. With 10+ years of experience, they offer free consultations, budget estimates, and full construction management for Ventura County homeowners.
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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.