3501 Civic Center Drive, Room 260
San Rafael, CA 94903

Phone: 415-473-6387
Faxi:  415-473-7192

About the District

• Land Area: 250 Square Miles
• Services: Park and recreation management, land stewardship and management, landscape services, vegetation management, and planning
• Area Served: Marin County

Governing Board

The Marin County Board of Supervisors governs the Marin County Open Space District.

Contact 

Chris Chamberlain, Director and General Manager
Phone: 415-473-6387
Email Chris Chamberlain

Jim Chayka, Superintendent
Phone: 415-473-3639
Email: Jim Chayka