ADU Contractors near Whittier, CA
Avica Construction & Development Inc
357 West Route 66, Glendora, CA 91740
14.2 miles
Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & construction.
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ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
23.3 miles
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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Sten Engineering
601 South Brand Boulevard, San Fernando, CA 91340
32.5 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.
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NAMA Construction
62 Sundance Dr, Pomona, CA 91766
14.6 miles
NAMA 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.
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Progressive Builders LA
7445 Topanga Canyon Boulevard, Canoga Park, CA 91303
37.1 miles
Progressive Builders LA offers full-service ADU construction in Los Angeles, handling detached ADUs, garage conversions, granny flats & in-law suites. Custom design, quality materials, on-time delivery & accessible pricing for all project sizes.
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Legacy Builders LA
Los Angeles, CA
14.1 miles
Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.
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Green Tech
5605 Woodman Avenue, Van Nuys, CA 91401
29.3 miles
Green Tech Remodeling offers full-service construction, renovation, and ADU projects including garage conversions, kitchen and bathroom remodels, home additions, flooring, roofing, electrical, plumbing, and more, with 3D design previews included.
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Concept Renovations Inc.
16001 Ventura Boulevard, Encino, CA 91436
30.2 miles
Concept Renovations Inc. is a Southern California design-build company with 20+ years in residential remodeling, ADU construction, and garage conversions. They manage design, permitting, and build phases, serving Los Angeles homeowners.
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Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039
17.7 miles
Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
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UADU
1702 S. Robertson Blvd. #177, Los Angeles, CA 90035
21.9 miles
UADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.
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Thousand Oaks Elite ADU Builder
1343 East Thousand Oaks Boulevard, Thousand Oaks, CA 91362
48.8 miles
Thousand Oaks Elite ADU Builder specializes in detached ADUs, attached ADUs, and garage conversions. Services include design, permitting, and full construction, built to California Title 24 standards for rental, multigenerational living, or home office use.
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Sierra Construction & Design
17250 Sunset Boulevard, Pacific Palisades, CA 90272
29.6 miles
Sierra Construction & Design builds custom ADUs, including guest houses, in-law suites, garage conversions & JADUs. Services cover design, permits & inspections. Boost property value & rental income with an experienced ADU contractor.
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ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
12.6 miles
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.
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EZ ADU & Garage Conversion
300 South Harbor Boulevard, Anaheim, CA 92805
11 miles
EZ ADU & Garage Conversion is a trusted ADU builder and garage conversion contractor in Orange County, CA. They offer custom ADU construction, garage conversions, design, and permitting services for homeowners seeking quality living space solutions.
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ADU by Kn Remodeling
19709 Ventura Boulevard, Woodland Hills, CA 91364
35 miles
KN Remodeling is a certified ADU contractor serving Los Angeles, Woodland Hills, Simi Valley & Thousand Oaks. Specializing in detached ADUs, attached ADUs & garage conversions, they handle design, permits & construction with 100+ ADU plans completed.
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Other cities in California
What you need to know
Building ADUs in Whittier, CA: A City Rooted in History and Growth
Whittier, California, famously known as the birthplace of President Richard Nixon, is a vibrant city in Los Angeles County with a rich architectural heritage and a growing demand for housing. As housing costs continue to rise across Southern California, many Whittier homeowners are turning to Accessory Dwelling Units (ADUs) as a smart solution to add living space, generate rental income, or house extended family members. Working with experienced ADU contractors in Whittier, CA is essential to navigating the city's specific building requirements and maximizing your property's potential.
Understanding Whittier's ADU Regulations and Zoning Requirements
Whittier follows California state ADU laws while also enforcing its own local guidelines through the City of Whittier Community Development Department. Homeowners and contractors must be familiar with these rules before breaking ground. Key regulations include:
- Setback requirements: ADUs must generally maintain a minimum 4-foot setback from rear and side property lines.
- Maximum unit size: Detached ADUs can be up to 1,200 square feet, while Junior ADUs (JADUs) are capped at 500 square feet.
- 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: As of 2020, California state law has suspended owner-occupancy requirements for ADUs until 2025, allowing more flexibility for Whittier property owners.
- Parking: In many cases, no additional parking is required for ADUs located within half a mile of public transit.
Types of ADUs Commonly Built in Whittier
Whittier's diverse mix of single-family homes, bungalows, and larger lots makes it well-suited for a variety of ADU types. Skilled ADU contractors in Whittier commonly build:
- Detached ADUs: Standalone structures built in the backyard, ideal for rental income or multigenerational living.
- Attached ADUs: Units added directly to the existing home, sharing at least one wall.
- Garage Conversions: Transforming existing garages into livable spaces, a popular and cost-effective option in Whittier neighborhoods.
- Junior ADUs (JADUs): Smaller units created within the existing footprint of a home, often from a bedroom or interior space.
Why Hiring a Local Whittier ADU Contractor Matters
Choosing a licensed and experienced ADU contractor in Whittier, CA ensures your project complies with both state and local codes, passes inspections, and is completed on time and within budget. Local contractors understand the nuances of Whittier's permit process through the Community Development Department, are familiar with the city's soil conditions and neighborhood aesthetics, and can help streamline approvals. Whether you're in the Uptown Whittier area or a quieter residential neighborhood, a knowledgeable contractor will guide you from design through final inspection, making your ADU investment a success.