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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Albera Construction builds custom ADUs in Los Angeles County, including detached units, garage conversions, and JADUs. Licensed contractor #1079656, serving South Bay, Beach Cities, and Greater LA. Full project management from design to permits.
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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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Better Together Builders (BTB) is a full-service ADU contractor offering studio and bedroom floor plans, garage conversions & backyard units. They manage design, permits & construction. California clients may qualify for the CalHFA ADU Grant up to $40,000.
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Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.
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ADU1 helps multifamily property owners add ADUs to boost income. Add up to 25% more units plus 2 detached ADUs. Services include a $250 feasibility report, full design-build, and free weekly Q&A sessions every Wednesday.
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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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Beach Builders Custom Homes offers full-service ADU and garage conversion services in Los Angeles and Orange County. From permits to construction, they build granny flats, backyard cottages, and JADUs with smart home tech, earning homeowners $1,200–$1,600/month.
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ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
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San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.
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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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Angelus Construction is a Los Angeles ADU contractor with 30+ years of experience. They offer full-service ADU design, permitting, and construction, plus residential remodeling across Los Angeles and Ventura Counties.
read moreSanta 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.
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:
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.
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.
When searching for the best ADU contractors near Santa Monica, homeowners should look for professionals who are:
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.