Community Development Agency
The Planning Division of the Community Development Agency promotes sustainability by regulating land use and real estate development. We are primarily responsible for writing planning policies and codes, and reviewing applications for various development permits, use permits, and subdivisions in the unincorporated areas of Marin County, California.
Customer Service:
Planning Questions?
Call: 415-473-6269
Visit: Customer Service Center Location
Hours: 8am to 4pm Monday through Thursday, 8am to 12pm Friday
Contact Us
Find information about current long range planning initiatives.
Find zoning designations and other information for properties in the unincorporated areas of Marin County.
Find information about the planning application process and fees.
A countywide resource for converting, reconfiguring or constructing Additional Dwelling Units (ADUs) and Junior Accessory Dwelling Units (JADUs).
Find information about the discretionary planning applications currently under review.
Find information about meetings held by the Board of Supervisors, Planning Commission, Deputy Zoning Administrator, and local Design Review Boards.
Find various publications that have County planning policies and regulations as well as other land use reports.