Basement Conversion near Downey, CA
EHD Builders
18375 Ventura Boulevard, Tarzana, CA 91356
28.5 miles
EHD Builders offers ADU construction services in Los Angeles, CA, including garage conversions, detached units & additions. Costs range from $150K–$350K+. Services cover permits, framing, plumbing, electrical & more.
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Urbane Design
8619 Reseda Boulevard, Northridge, CA 91324
30.2 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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Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
12.4 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.... read more
J. P Homes
780 North Euclid Street, Anaheim, CA 92801
13 miles
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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YOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607
22.7 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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The ADU Pro
15338 Central Avenue, Chino, CA 91710
25.5 miles
The ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.read more
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
9.6 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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The ADU Builder Inc
3639 Atlantic Avenue, Long Beach, CA 90807
9.5 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.... read more
YOR Construction
12135 Miranda Street, Valley Village, CA 91607
22.4 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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ADUscale
528 West Hampshire Avenue, Anaheim, CA 92805
15.3 miles
ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage... read more
RODO Development LLC
19720 Ventura Boulevard, Woodland Hills, CA 91364
30.2 miles
RODO Development LLC is a licensed LA-based ADU contractor offering full-service design-build solutions including garage conversions, detached ADUs, attached ADUs, basement conversions & custom designs across Los Angeles and surrounding areas.... read more
A1 ADU Contractor
13701 Riverside Drive #200, Sherman Oaks, CA 91423
22.2 miles
A1 ADU Contractor specializes in garage conversions and custom ADU construction throughout Los Angeles and the San Fernando Valley. With over 15 years of experience, our team provides complete design, permitting, and construction services to trans... read more
Green Design and Build
16120 Sherman Way, Van Nuys, CA 91406
26.7 miles
Licensed, veteran-owned ADU builder in Van Nuys. Detached, attached and junior ADUs plus garage conversions, with design, permits and construction handled under one roof.
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Golden ADU
640 S Curson Ave #603, Los Angeles, CA 90036
17.9 miles
Golden ADU, serving Southern California since 2021, specializes in custom ADU construction including garage conversions and detached backyard cottages. They offer flexible financing with no upfront costs, completing most projects in 6–12 months.... read more
YOR - ADU & Garage Construction
7833 Bothwell Road, Reseda, CA 91335
30.2 miles
Y.O.R. Construction & Investments is a licensed Southern California general contractor (Lic. #978430) offering residential & commercial services including remodeling, room additions, pool construction, and ADU/garage conversions.
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Other cities in California
What you need to know
Searching for top Basement Conversion ADU Contractors in Downey, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Basement Conversion ADU Contractor in Downey 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 Basement Conversion professionals can guide you through every step.
Downey homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Basement Conversion experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Basement Conversion ADU Contractors in Downey, California, and get started today.