Santa Monica Permit Requirements Rules (2026): What You Need to Know

Fence and wall permit requirements in Santa Monica are governed by SMMC Section 9.21 and the Building and Safety Division's adopted version of the California Building Code. Masonry walls, concrete block walls, and stucco-over-block walls exceeding 3.5 feet in height require a building permit with structural plans and inspections. Standard wood, vinyl, or chain-link fences up to 6 feet in side and rear yard locations generally do not require a building permit, provided they comply with height limits and are not located in the front yard setback.

Front yard fences in residential zones may not exceed 42 inches without a variance approved by the Planning Commission. Because Santa Monica lies partially within the California Coastal Zone, properties in the coastal overlay district face additional requirements: a Coastal Development Permit (CDP) from either the City of Santa Monica or the California Coastal Commission may be required for fence construction if the fence could affect public views, coastal access, or the visual character of the coastal environment. Retaining walls exceeding 4 feet in height measured from the bottom of the footing require a structural engineering review and building permit. The Building and Safety Division can be reached at (310) 458-8355 to determine permit requirements for a specific project. Permits must be obtained before construction begins; after-the-fact permits are subject to doubled fees.