Santa Monica is one of the most desirable and most closely regulated construction environments in the greater Los Angeles area. High property values, an active City of Santa Monica planning department, Rent Control implications for multi-unit properties, and strong demand for quality construction from design-conscious homeowners make Santa Monica a rewarding but nuanced market for residential projects. This guide covers what Santa Monica homeowners need to know before starting a construction project in 2026.
This is the most important thing to understand about construction in Santa Monica: Santa Monica is a fully independent city with its own Building and Safety Division. All permits go through the City of Santa Monica at 1685 Main Street. LADBS has no jurisdiction in Santa Monica. Contractors who only work in LADBS territory often do not know the Santa Monica process.
Santa Monica has one of the strongest rent control ordinances in California. However, newly constructed ADUs built after 1995 are exempt from Santa Monica rent control under state law (AB 1482 and the Costa-Hawkins Act). This means a new ADU you build in 2026 in Santa Monica is NOT subject to rent control — you can set rent at market rate, and rents can be increased to market rate between tenants. This exemption makes ADU construction in Santa Monica especially attractive from an investment standpoint.
Santa Monica is one of the premier ADU markets in all of California. The combination of the highest rental rates in the LA metro, rent control exemption for new ADUs, walkability, and beach proximity creates ADU investment returns that are among the best anywhere in the country.
Full Santa Monica ADU contractor guide.
Santa Monica kitchen remodels are characterized by high design ambition and strong resale expectations. The mix of period Craftsman homes north of Montana Ave, post-war ranches in the Sunset Park neighborhood, and contemporary homes throughout the city creates a range of kitchen styles — from restoration to full contemporary transformation.
Full Santa Monica kitchen remodel guide.
Room additions in Santa Monica require permits through the City of Santa Monica and must comply with the city zoning code, which has specific coverage and FAR (floor area ratio) requirements. Santa Monica lots in the single-family zones typically allow additions that bring the home to 50–55% lot coverage. APLA evaluates lot coverage compliance during the initial feasibility assessment for every Santa Monica addition project.
Because Santa Monica has its own permit jurisdiction, contractors who primarily work in LADBS territory need to be familiar with City of Santa Monica requirements. APLA has completed permitted projects in Santa Monica and is familiar with the City of Santa Monica building permit process, the Rent Control Board implications for multi-unit work, and the specific zoning requirements in the single-family residential zones. Key verification points:
No. Santa Monica is an independent city with its own Building and Safety Division at 1685 Main Street. Permits do not go through LADBS. APLA manages all City of Santa Monica permit submissions.
No. Newly constructed ADUs in Santa Monica are exempt from the Santa Monica Rent Control ordinance under state law. This means you can set the initial rent at market rate and increase rent to market rate between tenants. This rent control exemption makes ADU construction in Santa Monica particularly attractive as an investment.
ADU permits: 45–65 days. Kitchen and bath remodels: 3–6 weeks. Room additions: 7–12 weeks. The City of Santa Monica Building and Safety Division is generally efficient — often faster than LADBS for most project types.
Santa Monica ADU rents are among the highest in the LA market. A 1-bedroom ADU in Santa Monica rents for $2,800–$4,500/month depending on location, finishes, and proximity to the beach. South of Montana Ave commands the highest rents. ADU vacancy in Santa Monica is consistently very low.
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