Contact the East Bay Regional Park District Police Department in any of the following ways:
By Phone
- Emergency: Call 911 or 510-881-1121 from a cell phone, 24 hours a day
- Non-Emergency Business: 510-881-1833, 24 hours a day
- General Park Information: 1-888-EBPARKS or 1-888-327-2757
In Person or by Postal Mail
East Bay Regional Park District Police
17930 Lake Chabot Road
Castro Valley, California 94546-1950