ADU Contractors near Santa Monica, CA
RD Fast Construction
3603 San Pedro Street, Los Angeles, CA 90011
12.4 miles
RD Fast Construction offers ADU garage conversions in Los Angeles, helping homeowners add property value, rental income, guest space, or housing for adult children using existing infrastructure for cost-effective results.
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Aurea Construction
516 Pennsfield Place, Thousand Oaks, CA 91360
25.1 miles
Aurea Construction, based in Thousand Oaks, CA, specializes in ADUs, garage conversions, room additions, sunrooms & second story additions. They manage full projects from design to permits, serving local homeowners seeking quality home expansion solutions.
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Joel & Co. Construction
11693 San Vicente Boulevard, Los Angeles, CA 90049
11.9 miles
Joel & Co. Construction, serving Los Angeles since 1983, offers expert residential & commercial construction, including custom homes, kitchen & bathroom remodels, ADUs, room additions, and general contracting across Beverly Hills, Santa Monica & beyond.
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Willbii
2158 Huntington Drive, San Marino, CA 91108
22.3 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income.
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Socal Upgrades ADU
1288 North Verdugo Road, Glendale, CA 91206
17.5 miles
SoCal Upgrades is a full-service ADU contractor in Los Angeles & Glendale, specializing in detached ADUs, garage conversions, JADUs & granny flats. They handle design, permits, construction & financing for a seamless, turnkey experience.
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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
10.6 miles
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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Buildwright Construction
5320 Satsuma Avenue, North Hollywood, CA 91601
12.4 miles
Buildwright Construction offers full-service ADU construction, including detached ADUs, granny flats, in-law suites, and JADUs. They handle planning, permits, and building, helping property owners add rental income, guest space, or multi-generational living.
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Alto Builders
5450 Lake Lindero Dr., Agoura Hills, CA 91301
19.5 miles
Alto Builders specializes in ADU construction in Los Angeles & Ventura County. Services include detached ADUs, garage conversions & JADUs. Costs range $300–$600/sq ft, with timelines of 5–12 months.
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Reef Builders Inc
6320 Topanga Cyn. Blvd, Woodland Hills, CA 91367
13.3 miles
Reef Builders Inc is a Los Angeles ADU contractor founded in 2012, specializing in detached ADUs, garage conversions, JADUs & attached units. They manage permits, design, and full construction for homeowners seeking rental income or extra living space.
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Downey ADU Builders
8607 Imperial Highway, Downey, CA 90242
22 miles
Downey ADU Builders offers expert ADU contractor services including detached ADUs, garage conversions, attached ADUs, JADUs, and home additions. Licensed contractors handle permits, design, and construction with 10+ years of experience.
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CentrePoint Construction Inc.
21133 Victory Boulevard, Canoga Park, CA 91303
14.7 miles
CentrePoint Construction Inc. offers turnkey ADU construction and garage conversions in Los Angeles. Services include detached ADUs, JADUs, design, permits, and city approvals—ideal for rental income or family housing.
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YOR Construction & Investments
12135 Miranda Street, Valley Village, CA 91607
11.3 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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Homeplex
421 West Broadway, Long Beach, CA 90802
23.9 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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FS Design & Construction
20520 Oxnard Street, Tarzana, CA 91367
10.5 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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Waconah Construction
616 Edgewood Street, Inglewood, CA 90302
8.3 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, permitting, and construction.
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Other cities in California
What you need to know
Building ADUs in Santa Monica: Navigating Coastal Zone Regulations
Santa Monica, California is one of the most desirable coastal cities in Los Angeles County, and it comes with a unique set of challenges for ADU contractors in Santa Monica. A significant portion of the city falls within the California Coastal Zone, which means that ADU projects may require a Coastal Development Permit (CDP) in addition to standard building permits. Experienced ADU contractors familiar with Santa Monica's specific requirements are essential for homeowners looking to add accessory dwelling units to their properties.
Santa Monica ADU Regulations and Zoning Requirements
The City of Santa Monica has adopted local ADU ordinances that align with California state law while incorporating city-specific standards. Santa Monica ADU contractors must be well-versed in the following key regulations:
- ADUs are permitted in all single-family and multifamily residential zones
- Detached ADUs can be up to 1,200 square feet in size
- Junior ADUs (JADUs) are limited to 500 square feet and must be within the existing primary structure
- Setback requirements of 4 feet from rear and side property lines apply to most detached ADUs
- Properties within the Coastal Zone may require additional review and permitting through the California Coastal Commission
Why Hiring a Local Santa Monica ADU Contractor Matters
Working with a licensed ADU contractor in Santa Monica who understands local building codes, the Santa Monica Department of Planning and Community Development, and the nuances of coastal construction is critical. Santa Monica enforces strict design standards to preserve neighborhood character and protect environmental resources. Local contractors are familiar with the city's requirements for energy efficiency, which must comply with California's Title 24 standards, as well as any additional green building requirements the city may impose.
Costs and Timeline for ADU Construction in Santa Monica
Due to the high cost of living and construction in the Los Angeles area, ADU construction costs in Santa Monica tend to be higher than the state average. Homeowners should expect to budget between $300 and $500 per square foot or more, depending on the complexity of the project, site conditions, and finish levels. Permit processing times can also be longer in Santa Monica, particularly for properties in the Coastal Zone, so working with an experienced contractor who can efficiently navigate the approval process is invaluable.
Finding the Right ADU Contractor in Santa Monica, CA
When searching for the best ADU contractors near Santa Monica, homeowners should look for professionals who are:
- Licensed by the California Contractors State License Board (CSLB)
- Experienced with Santa Monica's specific permitting and zoning processes
- Knowledgeable about Coastal Zone development requirements
- Able to provide references from completed ADU projects in the area
- Familiar with sustainable and energy-efficient building practices
Investing in a qualified Santa Monica ADU contractor ensures your project is completed on time, within budget, and in full compliance with all local and state regulations.