ADU Contractors near Huntington Beach, CA
Lion Builder Construction
777 West 19th Street, Costa Mesa, CA 92627
5.5 miles
Lion Builder Construction is a Southern California contractor serving Orange, LA, and Riverside Counties, plus Maricopa County, AZ. They specialize in new homes, ADUs, and kitchen remodels, offering a one-stop-shop approach.
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Build Method Construction
12304 Moorpark St. Ste 102, Studio City, CA 91604
38.6 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
Raudes Construction
18414 Eddy Street, Northridge, CA 91325
48 miles
Raudes Construction builds ADUs including garage conversions, granny flats & detached units. They handle permits, zoning compliance & full construction. Costs range from $50K to $300K+, with timelines of 3–6 months.
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UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
24.8 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.read more
IA Builders
10736 Jefferson Blvd, Unit 703, Culver City, CA 90230
30.8 miles
IA Builders is a Los Angeles construction company offering new home builds, remodeling, additions, and ADU construction. Services include garage conversions, detached ADUs, and in-law suites, delivered with quality craftsmanship and transparent pr... read more
Paramount Manufactured Sales
11759 Magnolia Avenue, Riverside, CA 92503
36.8 miles
Paramount Manufactured Sales in Riverside offers Skyline Homes-built ADUs for Southern California homeowners in LA, Orange, Riverside, San Bernardino & San Diego Counties. Models range from 479–849 sq ft. California law now allows detached A... read more
Cornejos Builders
8909 Elmont Avenue, Downey, CA 90240
19.7 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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Nagar Builders Inc.
6245 Wilshire Boulevard, Los Angeles, CA 90048
33.1 miles
Nagar Builders Inc. is a Los Angeles construction company offering ADU construction, garage conversions, kitchen and bathroom remodeling, room additions, roofing, electrical work, and commercial remodeling since 2019.
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Builderwell
9641 Irvine Center Drive, Irvine, CA 92618
12.9 miles
Builderwell is an ADU contractor in Orange County, CA, offering full-service design-build solutions for custom accessory dwelling units, including guest houses, in-law suites, and rental units across Irvine, Newport Beach, and Laguna Hills.
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Cali ADU
3705 W Pico Blvd, Ste 1635, Los Angeles, CA 90012
31 miles
Cali ADU is a top Los Angeles ADU builder offering custom and pre-designed accessory dwelling units, garage conversions, and granny flats. Fixed pricing, fast permitting, and expert project management ensure stress-free builds from design to move-... read more
Revival Homes
1150 South Olive Street, Los Angeles, CA 90015
28 miles
Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
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High Touch Remodeling
10917 West Pico Boulevard, Los Angeles, CA 90064
32.5 miles
High 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.
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Vertebrae
725 South Los Angeles Street, Los Angeles, CA 90014
27.9 miles
Vertebrae is an LA-based, woman-owned architecture studio founded in 2012, specializing in ADU design and small-space living. Award-winning projects include the 2025 Architizer A+ Award and 2023 AIA LA Honor Award winners.
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Orange Innovation
4949 Bilmoor Avenue, Tarzana, CA 91356
45 miles
Orange Innovation Inc is an ADU builder offering full-service design, engineering, and construction. Specializing in detached ADUs, granny flats, and in-law suites, they manage projects from concept to completion with a focus on budget and timelin... read more
ADU Homes, Inc.
245 East 3rd Street, Long Beach, CA 90802
12 miles
ADU Homes is a full-service ADU contractor in Los Angeles & Orange County offering design-build solutions. They handle design, permitting & construction with fixed pricing. Options include studios, 1-3 bed units & carriage units.
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Other cities in California
What you need to know
ADU Contractors in Huntington Beach: Building in a Coastal California City
Huntington Beach, famously known as Surf City USA, presents unique opportunities and challenges for ADU (Accessory Dwelling Unit) construction. As one of Orange County's most desirable coastal communities, the city has seen a significant surge in ADU development as homeowners look to maximize property value and address California's ongoing housing shortage. Working with experienced ADU contractors in Huntington Beach is essential, given the city's specific zoning regulations, coastal proximity requirements, and local building codes that differ from inland communities.
Huntington Beach ADU Regulations and Zoning Requirements
Huntington Beach follows California state ADU law while also enforcing its own local ordinances. Homeowners and contractors must navigate the city's zoning code, which includes specific rules for properties located within the Coastal Zone. Properties near the coastline may require a Coastal Development Permit (CDP) in addition to standard building permits, adding complexity to the construction process. Key regulations ADU contractors must be aware of include:
- Maximum ADU size of 1,200 square feet for detached units
- Height restrictions typically limited to 16 feet for detached ADUs
- Setback requirements of at least 4 feet from rear and side property lines
- Owner-occupancy requirements may apply depending on the specific parcel
- Compliance with the Huntington Beach Zoning and Subdivision Ordinance (HBZSO)
Types of ADUs Commonly Built in Huntington Beach
Skilled ADU contractors in Huntington Beach are experienced in building a variety of unit types suited to the city's diverse residential neighborhoods, from beachside bungalows to larger inland properties. The most common ADU types include:
- Detached ADUs – Standalone structures built in the backyard, ideal for larger lots
- Attached ADUs – Units added directly to the existing home structure
- Garage Conversions – Transforming existing garages into livable spaces, very popular in Huntington Beach
- Junior ADUs (JADUs) – Units up to 500 square feet created within the existing home footprint
Why Hire a Local ADU Contractor in Huntington Beach?
Hiring a local ADU contractor familiar with Huntington Beach is critical to ensuring a smooth permitting and construction process. Local contractors understand the nuances of working with the City of Huntington Beach Community Development Department, navigating coastal zone restrictions, and meeting the city's specific inspection requirements. They are also familiar with soil conditions, local architectural styles, and HOA considerations that may affect your project.
Investing in an ADU in Huntington Beach can significantly increase your property's value and generate rental income in one of Southern California's most sought-after real estate markets. With the right ADU contractor in Huntington Beach, you can turn your property's potential into a fully permitted, high-quality living space that complies with all local and state regulations.