ADU Contractors near Downey, CA
The ADU Guru
3438 Troy Drive, Los Angeles, CA 90068
17.8 miles
The ADU Guru is a full-service ADU contractor in Los Angeles & Orange County, specializing in garage conversions, detached ADUs & granny flats. With 100+ units completed, they offer $0 down, free 3D design & tenant placement.
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The ADU Company
504 East Navilla Place, Covina, CA 91723
17.5 miles
The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
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The Los Angeles ADU Builders
240 South Beverly Drive, Beverly Hills, CA 90212
18 miles
Los Angeles ADU Builders is a licensed ADU contractor in Beverly Hills offering custom ADU design, garage conversions, detached ADUs, JADUs & in-law suites. CSLB certified, fully insured, with expert permit handling & transparent pricing.
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IA Builders
10736 Jefferson Blvd, Unit 703, Culver City, CA 90230
15.6 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 pricing.
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Superior ADUs
6 Venture, Irvine, CA 92618
29 miles
The Springfield by Superior ADUs is a 2-bed, 2-bath detached ADU with open-concept living, vaulted ceilings, mini-split HVAC, kitchen island, ample storage, and optional ethanol fireplace—ideal as a granny flat or in-law suite.
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Molinar Design
1132 Spence Street, Los Angeles, CA 90023
10.4 miles
Molinar 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.
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Diditan Group
5632 Van Nuys Boulevard, Sherman Oaks, CA 91401
23.8 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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OakADU
9671 Sunland Boulevard, Santa Clara, CA 91040
25 miles
OakADU is a full-service ADU contractor in Los Angeles & Southern California, offering design, permitting, construction & property management for detached ADUs, garage conversions, attached ADUs & interior conversions.
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Papaya Construction
2020 Main Street, Irvine, CA 92614
23.7 miles
Papaya Construction Group is a licensed design-build ADU contractor in Orange County, CA. Founded in 2018, they offer detached ADUs, garage conversions, attached units & above-garage builds across Irvine, Anaheim & more.
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YOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607
22.7 miles
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.
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Pros ADU Builders
27201 Puerta Real, Lake Forest, CA 92691
36.8 miles
Pros ADU Builders in El Cerrito specializes in ADU construction, including detached units, garage conversions, in-law suites, and granny flats. They handle permits, planning, and turnkey builds tailored to each property.
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Eric Go Build
3765 170th Street, Torrance, CA 90504
12.7 miles
Eric Go Build (EG'S Built Construction) specializes in ADU construction, offering custom granny flats, in-law suites & backyard cottages. They provide tailored designs, quality materials & timely delivery to boost property value.
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Green Remodeling Solutions
7445 Topanga Canyon Boulevard, Canoga Park, CA 91303
33 miles
Green Remodeling Solutions (GRS) is a Los Angeles home remodeling company offering kitchen, bathroom, ADU construction, roofing, solar, and more. Licensed contractors guide homeowners through every project, including permits and zoning.
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Michael Matthews Studio
Baxter Street, Los Angeles, CA 90039
10.4 miles
Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.
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DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
15.2 miles
DB 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.
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Other cities in California
What you need to know
ADU Contractors in Downey, CA: Building in the Birthplace of the Space Shuttle
Downey, California, is a historically rich city in Los Angeles County, famously known as the location where NASA's Space Shuttle was built. Today, this vibrant city of approximately 113,000 residents is experiencing a surge in Accessory Dwelling Unit (ADU) construction, as homeowners look to maximize their property value and address Southern California's ongoing housing shortage. Hiring experienced ADU contractors in Downey, CA is essential to navigating the city's specific building requirements and making the most of your investment.
Understanding Downey's ADU Regulations and Zoning Requirements
As part of Los Angeles County's broader jurisdiction, Downey follows both California state ADU laws and its own local municipal codes. Since California's landmark ADU legislation took effect, cities like Downey must permit ADUs on single-family and multifamily residential lots. Key regulations that your ADU contractor must be familiar with include:
- Maximum ADU size: Detached ADUs in Downey can typically be up to 1,200 square feet, depending on lot size and zoning.
- Setback requirements: A minimum 4-foot setback from side and rear property lines is generally required for new detached ADUs.
- Height limits: Detached ADUs are generally 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 through January 1, 2025, allowing more flexibility for Downey homeowners.
- Parking requirements: ADUs located within half a mile of public transit may be exempt from additional parking requirements.
What to Look for in a Qualified ADU Contractor in Downey
Choosing the right ADU builder in Downey means finding a licensed contractor who understands both state law and local permitting processes through the Downey Community Development Department. A qualified contractor should handle everything from architectural design and permit applications to foundation work, utility connections, and final inspections. Look for contractors who are licensed by the California Contractors State License Board (CSLB) and have a proven track record of completed ADU projects in the greater Los Angeles area.
Types of ADUs Popular in Downey
Given Downey's mix of post-war single-family homes and larger residential lots, several ADU types are particularly well-suited to the area:
- Detached ADUs: Standalone units built in the backyard, offering maximum privacy for tenants or family members.
- Garage Conversion ADUs: Many Downey homes feature older detached garages that can be cost-effectively converted into livable space.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of the primary home.
- Attached ADUs: Additions built onto the existing structure, ideal for lots with limited yard space.
Start Your Downey ADU Project Today
With rising property values and strong rental demand throughout the Los Angeles metropolitan area, building an ADU in Downey is a smart long-term investment. Work with a trusted, local ADU contractor in Downey, California to ensure your project meets all code requirements, stays on budget, and adds lasting value to your property.