Learn more about secure ballot drop boxes. Printable list of outdoor drop box locations.

Contra Costa County Outdoor 24/7 Drop Boxes
Drop Box Location Address City
Alamo Plaza Shopping Center 190 Alamo Plaza Alamo
Antioch City Hall 200 H Street Antioch
Antioch Community Center 4703 Lone Tree Way Antioch
Ambrose Community Center 3105 Willow Pass Rd Bay Point
Brentwood City Hall 150 City Park Way Brentwood
Clayton Library 6125 Clayton Rd Clayton
Concord City Hall 1950 Parkside Dr Concord
Monument Crisis Center 1990 Market Street Concord
First Lutheran Church 4000 Concord Blvd Concord
Danville Park & Ride Sycamore Valley Rd and 680 Exit Danville
Danville Maintenance Service Center 1000 Sherburne Hills Rd Danville
Discovery Bay Yacht Club 5871 Marina Rd Discovery Bay
El Cerrito City Hall 10890 San Pablo Ave El Cerrito
El Sobrante Library 4191 Appian Way El Sobrante
Hercules Public Library 109 Civic Dr Hercules
Kensington Library 61 Arlington Ave Kensington
Lafayette School District 3477 School St Lafayette
Contra Costa County Clerk-Recorder-Elections Office 555 Escobar St Martinez
Central Contra Costa Sanitary District 5019 Imhoff Pl Martinez
Contra Costa EHSD Administration 40 Douglas Dr Martinez
Saint Mary’s College 1928 Saint Marys Rd Moraga
Oakley City Hall 3231 Main St. Oakley
Orinda City Hall 22 Orinda Way Orinda
Pinole City Hall 2131 Pear St Pinole
Pittsburg Unified School District 2000 Railroad Ave Pittsburg
Contra Costa County Office of Education Admin Office 77 Santa Barbara Rd Pleasant Hill
Pleasant Hill Community Center 320 Civic Dr Pleasant Hill
Pleasant Hill City Hall 100 Gregory Ln Pleasant Hill
Richmond City Hall 450 Civic Center Plaza Richmond
Contra Costa County EHSD – Richmond 1305 Macdonald Ave Richmond
West County Wastewater District Office 2910 Hilltop Dr Richmond
San Pablo City Hall 1000 Gateway Avenue San Pablo
San Ramon Community Center 12501 Alcosta Blvd San Ramon
Dougherty Station Community Center 17011 Bollinger Canyon Rd San Ramon
Walnut Creek City Hall 1666 North Main St Walnut Creek
Ygnacio Valley Library 2661 Oak Grove Road Walnut Creek
Grace Presbyterian Church 2100 Tice Valley Blvd Walnut Creek
Contra Costa County Indoor Drop Boxes Available During Business Hours*
Clayton City Hall 6000 Heritage Trail, Floor 3 Clayton Mon – Fri, 9am-5pm
Pittsburg City Hall 65 Civic Avenue Pittsburg Mon – Fri, 8am-5pm
San Pablo Library 13751 San Pablo Ave San Pablo Tues, 1pm-8pm Wed-Thurs, 11am-6pm Fri-Sat, 10am-5pm
San Ramon City Hall 7000 Bollinger Canyon Rd San Ramon Mon – Fri, 8:30am-5pm
Alcosta Senior and Community Center 9300 Alcosta Blvd San Ramon Mon-Fri, 8:30am-5pm
San Ramon Permit Center 2401 Crow Canyon Road San Ramon Mon-Fri, 8:30am-5pm

*Hours shown may vary. Check directly with the location for current hours.