ADU Contractors near Santa Ana, CA
Green Design and Build
16120 Sherman Way, Van Nuys, CA 91406
46.6 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.
read more
Cahla Construction Group
12207 Hawthorne Boulevard, Hawthorne, CA 90250
29.9 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.
read more
Rockwood Homes
10017 Walnut Street, Bellflower, CA 90706
16.9 miles
Rockwood Homes Inc., based in Torrance, CA, specializes in ADU construction, garage conversions, and home remodeling across Los Angeles County, serving cities like Long Beach, Downey, and Whittier.
read more
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 i... read more
Landmark Building Inc
Los Angeles, CA 90027
34.5 miles
Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free es... read more
Angelus Construction
330 Arden Avenue, Glendale, CA 91203
36.2 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.
read more
ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
18.2 miles
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
read more
ADU Garden Grove
11947 Valley View Street, Garden Grove, CA 92846
9.1 miles
SDS Homes
42400 Winchester Road, Temecula, CA 92590
47 miles
SDS Homes Construction is a Temecula, CA design-build contractor specializing in ADUs, granny flats, and Casitas. They offer turnkey services from design to permitting and construction, serving Temecula and Murrieta homeowners.
read more
Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
25.2 miles
Zieba Builders
1390 East Burnett Street, Signal Hill, CA 90755
17.1 miles
Zieba Builders, a Southern California design-build firm, was named one of the top 7 ADU contractors in Long Beach by Home Builder Digest. They specialize in custom homes, garage conversions, granny flats & detached ADUs.
read more
Aligcus
1841 South San Gabriel Boulevard, San Gabriel, CA 91776
27.7 miles
Aligcus is an experienced ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, in-law suites, and backyard cottages. They guide homeowners through permitting and construction for all accessory dwelling unit projec... read more
Eureka Modular
2553 Sampson Avenue, Corona, CA 92879
20.9 miles
Eureka Modular builds steel frame modular ADUs and single family homes. Steel framing offers durability, design flexibility, and sustainability. Ideal for detached ADUs, backyard cottages, granny flats, and casitas with efficient, precise construc... read more
Sten Engineering
601 South Brand Boulevard, San Fernando, CA 91340
49.4 miles
Sten Engineering is a Los Angeles firm specializing in ADU design, structural engineering, and garage conversions. Led by licensed P.E. Evgeny Nagovitsyn, they handle permits, structural plans, and ADU builds across Southern California.
read more
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.
read more
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.