Welcome to the Community Development Agency (CDA) website. The CDA joins together what is commonly known as Planning, Building, and Environmental Health. We work together to provide excellent services that support healthy, safe and sustainable communities; preserve Marin's unique environmental heritage; and encourage meaningful participation in the governance of the County by all.
Building Permits, Planning Permits, Septic System Permits, Restaurant Inspections, Design Review, Water Well Permits and more.
This page provides access to the latest residential developments, community plan updates, amendments to land use ordinances and policies, and other community based projects.
Find your property’s zoning, aerial maps, creek and wetland information, topographical data, and other features specific to your property.
Learn more about our community-oriented services including beach monitoring programs, sustainability programs for businesses and residents, grants to support fair housing, code enforcement and more.
Curious about how Marin County will look in the future? Potential futures are revealed with the Marin Countywide Plan, Local Coastal Program, Census and Demographics, Housing Element, Geographic Information Systems (GIS) and more.
Building and Safety
The Building and Safety Division administers the California Building Codes to ensure buildings are safe for occupancy.
Environmental Health Services
The Environmental Health Services Division (EHS) oversees well drilling, septic system construction, restaurant inspections, and public pool inspections.
Community Development Block Grant (CDBG) Program
The Community Development Block Grant (CDBG) Program is a federal program of grants to support a variety of federal urban renewal, housing, and neighborhood development programs.
The Planning Division regulates development to preserve community character and environmental resources.