ADU Contractors near Santa Ana, CA
LA ADU Solutions Inc.
Los Angeles, CA 90012
30.1 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 income potential up to $4,000/month.
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Infinity ADU
645 West 15th Street, Long Beach, CA 90813
18.4 miles
Infinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.
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Structura Remodeling
1702 South Robertson Boulevard, Los Angeles, CA 90035
32.4 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.
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Southland Remodeling
15021 Ventura Boulevard, Sherman Oaks, CA 91403
43.9 miles
Southland Remodeling is a Los Angeles ADU contractor offering detached ADUs, garage conversions, and room additions. With 20+ years experience, they handle design, permits, and construction across LA and San Fernando Valley.
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i Arch Studios
127 South Brand Boulevard, Glendale, CA 91204
35.4 miles
i Arch Studios specializes in building ADUs above existing garages, handling structural assessment, permits, zoning compliance, utility installation, and interior finishes to deliver functional, code-compliant living spaces that add property value.
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Ohayon Construction
Los Angeles, CA 90012
30.1 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
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A.G.A. Construction Inc
18375 Ventura Boulevard, Tarzana, CA 91356
48.2 miles
A.G.A. Construction Inc is a Los Angeles ADU contractor specializing in accessory dwelling units & JADUs. Services include custom design, permits, plumbing, electrical & energy-efficient construction to maximize property value.
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Heart Construction
10867 Fruitland Drive, Studio City, CA 91604
39.4 miles
Heart Construction builds ADUs in Los Angeles, offering detached, attached, garage conversions, JADUs & more. Full-service from permits to completion. Ideal for rental income, multigenerational living & property value growth.
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Golden ADU
640 S Curson Ave #603, Los Angeles, CA 90036
37.4 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.
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Addition Builders La
1352 Palms Blvd, Los Angeles, CA 90291
39.7 miles
Addition Builders LA is a full-service ADU contractor in Los Angeles offering custom ADUs, prefab units, and garage conversions. Licensed, bonded, and insured, they manage design to construction, completing projects in as little as nine months with transparent pricing.
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Los Angeles ADU Contractors
3744 Flower Street, Los Angeles, CA 90007
30.2 miles
Trusted ADU builder in Los Angeles County specializing in granny flats, in-law suites & garage conversions. Boost property value, earn rental income & add living space with expert, code-compliant ADU construction.
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OC Master ADU Construction
809 East Katella Avenue, Orange, CA 92867
5.5 miles
OC Master ADU Construction builds ADUs across Orange County, offering detached units, garage conversions, JADUs & attached additions. Services include design, permitting & full construction management for rental income or family housing.
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ADU's by Design
3600 Lime Street, Riverside, CA 92501
34 miles
ADU's by Design is an Inland Empire ADU contractor serving Riverside & San Bernardino County. They offer full-service accessory dwelling unit design & construction, including detached ADUs, garage conversions, remodeling & architectural design.
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Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
12.6 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.
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ADU Designers & Builders
2461 East Orangethorpe Avenue, Fullerton, CA 92831
9.4 miles
ADU Designers & Builders is a full-service ADU contractor in Fullerton, CA, offering detached ADUs, garage conversions, attached ADUs & JADUs across Southern California, with expert design, permitting, solar integration & 0% financing options.
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Other cities in California
What you need to know
ADU Contractors in Santa Ana: Building in One of California's Most Densely Populated Cities
Santa Ana, California, is one of the most densely populated cities in the entire United States, making Accessory Dwelling Units (ADUs) an especially valuable housing solution for homeowners looking to maximize their property's potential. With a population exceeding 310,000 residents packed into just over 27 square miles, the demand for additional housing in Santa Ana is significant. Experienced ADU contractors in Santa Ana understand the unique challenges and opportunities that come with building in such a compact urban environment, from navigating tight lot sizes to working within the city's specific zoning regulations.
Santa Ana Zoning and ADU Regulations You Need to Know
Santa Ana falls under both California state ADU law and its own local municipal codes. The city has adopted regulations consistent with California's statewide ADU legislation, which has been significantly liberalized in recent years. Key regulations that qualified ADU builders in Santa Ana must navigate include:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot setback from rear and side property lines is required for most new detached ADUs.
- Height limits: Detached ADUs are typically limited to 16 feet in height, though this can vary based on proximity to public transit.
- Owner-occupancy rules: California suspended owner-occupancy requirements for ADUs built between 2020 and 2025, giving Santa Ana homeowners added flexibility.
- Parking requirements: ADUs located within half a mile of public transit may be exempt from additional parking requirements.
Types of ADUs Built by Santa Ana Contractors
Professional ADU contractors serving Santa Ana, CA are experienced in constructing a variety of ADU types suited to the city's diverse housing stock, which includes many older single-family homes and multi-family properties. Common ADU types include:
- Detached ADUs – Standalone structures built in backyards, ideal for rental income or multigenerational living.
- Attached ADUs – Units added directly to the existing home, sharing at least one wall.
- Garage Conversion ADUs – Converting existing garages into livable space, a popular option in Santa Ana's older neighborhoods.
- Junior ADUs (JADUs) – Units up to 500 square feet created within the existing primary residence.
Why Hire a Local ADU Contractor in Santa Ana?
Hiring a licensed and experienced local ADU contractor in Santa Ana is critical to ensuring your project meets all city and state requirements. Local contractors are familiar with the City of Santa Ana's Planning and Building Agency permitting process, typical soil and foundation conditions in the area, and the architectural styles common to Orange County neighborhoods. A knowledgeable contractor will help streamline permit approvals, manage construction efficiently, and deliver a compliant, high-quality ADU that adds lasting value to your property.