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ADU Contractors near Santa Ana, CA
Capital Construction
41558 Eastman Drive, Murrieta, CA 92562 38.6 milesCapital Construction Inc. is an experienced ADU contractor building detached ADUs, in-law suites, granny flats, and rental units. Licensed, bonded, and insured, they handle permitting, design, and construction while respecting budgets and timelines.
read moreSE Builders Inc
13006 Philadelphia Street, Whittier, CA 90601 18.7 milesSE Builders Inc completed an ADU project in Fullerton, CA, transforming a structure into a modern living space. Features include updated framing, durable finishes, eco-friendly materials, energy-efficient systems, and low-maintenance landscaping.
read moreADU Design Homes
2610 Pacific Avenue, Manhattan Beach, CA 90266 31.9 milesADU Design Homes is a full-service ADU design and build firm in Los Angeles and Orange County. They handle detached ADUs, JADUs, garage conversions, permitting, engineering, and construction under one roof.
read moreLa Tour Builders
23362-G Via Fabricante, Mission Viejo, CA 92691 14.9 milesLa Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living space.
read moreBlue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505 25.2 milesABODU
2028 Bay Street, Los Angeles, CA 90021 30.1 milesABODU offers factory-built, fire-resistant ADUs installed in a single day. HCD-approved and AB 462-compliant, their prefab units help wildfire rebuild families return home faster, with Certificates of Occupancy issued before primary dwelling completion.
read moreNewform Builders
10960 Wilshire Boulevard, Los Angeles, CA 90024 39.2 milesNewform Builders specializes in ADU construction for multi-family and mixed-use properties. They handle permits, inspections, and code-compliant builds, including detached, attached, and space-conversion ADUs, ensuring safe, regulation-aligned results from planning to completion.
read moreFontana General Contractors
14189 Foothill Boulevard, Fontana, CA 92335 33.8 milesFontana General Contractors builds custom ADUs, including detached units, garage conversions, and in-law suites. They handle permits, zoning, and full construction management, helping property owners add value and flexible living space.
read moreTeam Allstar Construction
301 9th Street, Redlands, CA 92374 46.1 milesTeam All Star Construction (CSLB #1009760) is a California-licensed design-build contractor specializing in Accessory Dwelling Units (ADUs) for homeowners across Southern California. The company serves San Bernardino County, Riverside County, Orange County, Los Angeles County, San Diego County, and Ventura County.
read moreHigh Touch Remodeling
10917 West Pico Boulevard, Los Angeles, CA 90064 35.6 milesHigh Touch Remodeling is a Los Angeles ADU contractor specializing in garage conversions. They offer full garage-to-ADU buildouts, design planning, space optimization, and code compliance, with free estimates available.
read moreNAMA Construction
62 Sundance Dr, Pomona, CA 91766 21.5 milesNAMA Construction is a family-owned Los Angeles remodeling company with 75 years of experience. Services include ADU construction, kitchen & bathroom remodeling, whole house renovations, flooring, and painting across Greater LA.
read moreMolinar Design
1132 Spence Street, Los Angeles, CA 90023 30.2 milesMolinar Design is a licensed design-build firm in Los Angeles offering ADUs, garage conversions, custom homes, remodeling, commercial architecture, permit packages, and fire & water damage restoration across Los Angeles County.
read moreTed Design Build
513 West Wilson Avenue, Los Angeles, CA 91203 35.7 milesTed Design Build is an LA-based ADU contractor offering full-service design, permitting, and construction. Specializing in detached ADUs, garage conversions, and in-law suites across Los Angeles and Glendale.
read moreDB Construction
4555 Valley Boulevard, Los Angeles, CA 90032 34.5 milesDB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.
read moreOther cities in California
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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.