City Offices are located at City of Clayton, 6000 Heritage Trail, Clayton, CA 94517.
Staff is available during our regular office hours: Monday through Friday, 9:00 am to 5:00 pm.
Our telephone number is (925) 673-7300 and fax number is (925) 672-4917.
City Administration (925) 673-7300
Gary Napper, City Manager
Laura Hoffmeister, Assistant to the City Manager
Janet Brown, Interim City Clerk
Finance Department (925) 673-7300
Kevin Mizuno, Finance Director
Jennifer Giantvalley, Accounting Technician (available Monday, Wednesday & Friday)
Business License/Code Enforcement (925) 673-7310
Jessica Boscacci, Office Assistant
Community Development (925) 673-7340
Mindy Gentry, Community Development Director
Milan Sikela, Assistant Planner (available Wednesday, Thursday & Friday)
Engineering (contracted) (925) 363-7433 or (925) 825-5294 (fax)
Rick Angrisani, City Engineer
Maintenance (925) 673-7327
Mark Janney, Supervisor
John Johnston, Supervisor
Maintenance Workers: Sandro Arias and Dan Johnston
Police Department (925) 673-7350
Chris Wenzel, Police Chief
EMERGENCY- Police and Fire 9-1-1
Clayton is located within Contra Costa Fire Protection District
The City of Clayton is a General Law City, Council-Manager Government, which is governed by five (5) City Council members (one of whom serves annually as Mayor, by City Council vote). The City Council meets the 1st and 3rd Tuesdays, typically at 7:00 pm at Hoyer Hall, Clayton Community Library, 6125 Clayton Road. The agendas are posted at: City Hall, 6000 Heritage Trail; Clayton Community Library, 6125 Clayton Road; Ohm Bulletin Board, 1028 Diablo Street; and the City website at ci.clayton.ca.us (click on “Government”, “City Council” then “Agendas & Minutes”).
The City of Clayton Planning Commission has five (5) members and meets the 2nd and 4th Tuesdays, at 7:00 pm at Hoyer Hall, Clayton Community Library, 6125 Clayton Road.