Basement Conversion near Tustin, CA
Ataman Studio
13151 Fountain Park Drive, Los Angeles, CA 90094
39.3 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.<... read more
Cornejos Builders
8909 Elmont Avenue, Downey, CA 90240
23.8 miles
Cornejos Builders offers ADU construction, garage conversions & home additions in LA & Orange County. 24 ADUs completed in 4 years. Costs range $80K–$250K. Licensed, insured, bonded. 1-year warranty included.
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Coastal Builders
610 E Santa Clara Ave, Santa Ana, CA 92706
3.8 miles
Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.
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ADU Los Angeles
3744 Flower St, Los Angeles, CA 90007
33.6 miles
ADU Los Angeles (ADLA) is a specialized ADU contractor serving LA County. They offer consulting, custom design, construction, garage conversions, basement ADUs, attached and detached units, helping homeowners maximize property value.
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LA ADU Solutions Inc.
Los Angeles, CA 90012
33.3 miles
Accessory Dwelling Units (ADUs) offer California property owners passive income, elderly care solutions, and property value growth. Since 2020 legislation, ADU permits are easier to obtain. Construction costs range $350–$450/sq ft, with rental i... read more
Golden ADU
640 S Curson Ave #603, Los Angeles, CA 90036
41 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
Green Design and Build
16120 Sherman Way, Van Nuys, CA 91406
49.9 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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Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
35.7 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.... read more
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
20.5 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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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
44.2 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 prope... read more
Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
35.1 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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YOR Construction
12135 Miranda Street, Valley Village, CA 91607
45.6 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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King Home Remodeling
1012 West Beverly Boulevard, Montebello, CA 90640
26.8 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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OakADU
9671 Sunland Boulevard, Santa Clara, CA 91040
47.5 miles
OakADU is a full-service ADU contractor in Los Angeles & Southern California, offering design, permitting, construction & property management for detached ADUs, garage conversions, attached ADUs & interior conversions.
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Liebo Builders
750 North San Vicente Boulevard, West Hollywood, CA 90069
40.8 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 Basement Conversion ADU Contractors in Tustin, 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 Tustin 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.
Tustin 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 Tustin, California, and get started today.