Atlas Building Co
Santa Monica, CA
3.9(28)
Custom ADUDesign-Build ADU
Specializing in ADU construction and related services in Santa Monica, CA.
Looking for the best in-law suite builders in Santa Monica, California? Our directory features 2 vetted in-law suite builders serving the Santa Monica area. Whether you're planning a new ADU construction, garage conversion, or backyard cottage, find the right builder for your project.
Specializing in ADU construction and related services in Santa Monica, CA.
Specializing in ADU construction and related services in Santa Monica, CA.
Santa Monica is one of the top markets for accessory dwelling units in California. With growing demand for affordable housing, ADU construction in Santa Monica offers homeowners an excellent opportunity to add living space, generate rental income, or house family members. Our curated list of in-law suite builders in Santa Monica helps you find experienced professionals who understand local building codes, zoning regulations, and permit requirements.
ADU construction costs in Santa Monica typically range from $150,000 to $350,000 depending on size, design, and finishes. Garage conversions are generally less expensive ($80,000–$150,000), while custom-built detached ADUs can cost more. Get free quotes from our listed in-law suite builders to compare prices.
Yes, ADU construction in Santa Monica requires building permits. California has specific ADU regulations, and local zoning laws may have additional requirements. Our listed builders can help you navigate the permitting process.
ADU construction timelines in Santa Monica typically range from 4–12 months, depending on the project type. Prefab ADUs can be installed in 2–4 months, while custom builds may take 8–12 months including design and permitting.