ADU Contractors near Hawthorne, CA
Huntington Beach Pro ADU Builder
7772 Warner Avenue, Huntington Beach, CA 92647
26.6 miles
Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transpar... read more
Cornejos Builders
8909 Elmont Avenue, Downey, CA 90240
13.6 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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Homeplex
421 West Broadway, Long Beach, CA 90802
13.2 miles
Prefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
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Step Up Builders Inc
16250 Ventura Boulevard, Encino, CA 91436
18.7 miles
Step Up Builders Inc is a Class A licensed ADU contractor in Encino, CA, serving Los Angeles, San Fernando Valley & Inland Empire. 30+ years experience in detached ADUs, garage conversions, JADUs & remodels. Free estimates available.
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Unlimited Construction & Remodeling, Inc
8500 Wilshire Boulevard, Beverly Hills, CA 90211
10.5 miles
Unlimited Construction & Remodeling (UCR), a licensed Beverly Hills contractor, serves LA, Orange & Ventura Counties. Specializing in garage conversions, ADUs & home remodeling, this family-owned firm delivers budget-conscious, code-co... read more
Custom ADU Builder
Los Angeles, CA 90012
11.3 miles
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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California Backyard Homes Inc
6230 Wilshire Boulevard, Los Angeles, CA 90048
10.3 miles
California Backyard Homes Inc specializes in prefab ADUs, tiny houses, and modular homes across California. Starting from $44,500, they offer turnkey installation including permits and utility connections, with financing available up to 23 years.<... read more
FS Design & Construction
20520 Oxnard Street, Tarzana, CA 91367
20.6 miles
FS Design & Construction specializes in ADU construction, garage conversions, granny flats, home additions, kitchen & bathroom remodeling, and new construction. They manage design, permitting, and building for residential projects.
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RnD Builders Inc
21250 Califa Street, Woodland Hills, CA 91367
22.9 miles
RnD Builders is a top-rated ADU builder and design-build firm serving Ventura County and Los Angeles County, specializing in ADU construction, home additions, remodels, and outdoor projects with a client-focused approach.
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Live Well Remodeling & Construction
14429 Ventura Boulevard, Sherman Oaks, CA 91423
17.2 miles
Delcoi
21650 Oxnard Street, Woodland Hills, CA 91367
23.3 miles
Delcoi is an ADU contractor specializing in granny flats, casitas, in-law suites, detached ADUs, garage conversions, and backyard cottages. They handle permits, regulatory compliance, and quality construction to maximize living space and rental in... read more
Diditan Group
5632 Van Nuys Boulevard, Sherman Oaks, CA 91401
17.9 miles
Diditan Group is a Los Angeles ADU contractor offering garage conversions, granny flats, JADUs & detached ADUs. They manage design, permitting & construction, helping homeowners add value & livable space.
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Addition Builders La
1352 Palms Blvd, Los Angeles, CA 90291
13.2 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 wit... read more
Waconah Construction
616 Edgewood Street, Inglewood, CA 90302
3.8 miles
Waconah Construction builds custom ADUs in West Los Angeles, including backyard cottages, garage conversions, above-garage units, and granny flats. Serving Santa Monica, Venice, Brentwood & Beverly Hills, they guide homeowners through design, ... read more
ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
13.4 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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Other cities in California
What you need to know
ADU Contractors in Hawthorne, CA: Building in the Home of the Beach Boys
Hawthorne, California, famously known as the birthplace of the Beach Boys and home to major aerospace companies like SpaceX and Northrop Grumman, is a vibrant city in the South Bay region of Los Angeles County. With a growing population and increasing housing demand, ADU contractors in Hawthorne, CA are playing a critical role in helping homeowners maximize their property value and address the local housing shortage. Whether you're looking to build a detached ADU, a garage conversion, or a junior ADU (JADU), working with an experienced Hawthorne ADU contractor ensures your project meets all local and state requirements.
Hawthorne ADU Regulations and Zoning Requirements
As part of Los Angeles County, Hawthorne follows both California state ADU laws and its own municipal codes. Homeowners and contractors must navigate specific local zoning rules when planning an ADU project. Key regulations include:
- Setback requirements: Detached ADUs in Hawthorne typically require a minimum 4-foot setback from rear and side property lines.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though state law may allow up to 25 feet in certain circumstances.
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while JADUs are capped at 500 square feet.
- Owner-occupancy rules: California state law has suspended owner-occupancy requirements for ADUs until 2025, giving Hawthorne homeowners more flexibility.
- Parking requirements: ADUs in Hawthorne may be exempt from additional parking requirements if the property is located within half a mile of public transit.
Why Hire a Local ADU Contractor in Hawthorne?
Hiring a licensed ADU contractor familiar with Hawthorne's building department is essential for a smooth permitting and construction process. Local contractors understand the nuances of working with the City of Hawthorne's Community Development Department, which oversees building permits and inspections. A knowledgeable contractor will handle everything from architectural plans and permit applications to utility connections and final inspections, saving you time and costly mistakes.
Types of ADUs Commonly Built in Hawthorne
Given Hawthorne's mix of single-family homes and smaller lot sizes typical of South Bay communities, the most popular ADU types in the area include:
- Detached ADUs: Standalone units built in backyards, ideal for rental income or multigenerational living.
- Garage Conversion ADUs: Converting existing garages into livable space, a cost-effective option for many Hawthorne homeowners.
- Attached ADUs: Units added to the existing home structure, maximizing square footage on smaller lots.
- Junior ADUs (JADUs): Smaller units created within the existing home footprint, often from a bedroom or interior space.
Start Your Hawthorne ADU Project Today
With rising property values in the South Bay and strong rental demand near major employers like SpaceX, building an ADU in Hawthorne is a smart investment. Contact a reputable ADU contractor in Hawthorne, CA today to get a consultation, review your property's potential, and begin the permitting process. A well-built ADU can generate significant rental income while adding long-term value to your Hawthorne property.