If available, see below for a list of known police frequencies for Contra Costa County in California. Or, navigate to your city or town to view your local city and/or police frequencies within Contra Costa County, California.
| Frequency | Description | Agency | |
|---|---|---|---|
| 460.1 | Contra Costa County Sheriff - Dispatch | Contra Costa County Sheriff | |
| 460.275 | Contra Costa County Sheriff - Dispatch | Contra Costa County Sheriff | |
| 461.225 | Contra Costa County Sheriff - Dispatch | Contra Costa County Sheriff | |
| 856.4375 | Contra Costa County Sheriff - TAC | Contra Costa County Sheriff | |
| 857.2375 | Contra Costa County Sheriff - TAC | Contra Costa County Sheriff |
Below are any Contra Costa County trunking scanner frequencies and their corresponding talkgroups (decimals). Be sure to check the system name of each frequency and talkgroup to make sure you are inputting everything correctly into your scanner (some systems are different types, so you'll need to input each system separately).
| System Name | System Type | Frequency |
|---|---|---|
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.09375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.25625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.29375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.33125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.58125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.76875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.83125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 769.86875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.01875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.05625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.29375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.33125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.36875 |
| ||
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.53125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.56875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.60625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.76875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 770.84375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.04375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.08125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.11875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.19375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.30625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.34375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.49375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.56875 |
| ||
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.60625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.64375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.75625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.79375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.90625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 771.94375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.01875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.05625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.09375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.24375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.31875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.35625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.39375 |
| ||
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.50625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.54375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.65625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.69375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.76875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.80625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.84375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.88125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 772.99375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.15625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.19375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.23125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.46875 |
| ||
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.66875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.74375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.90625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 773.98125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.14375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.18125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.21875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.38125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.45625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.49375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.73125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 774.89375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 851.3375 |
| ||
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 851.35 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 851.3625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.4375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.45 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.6 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.6125 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.775 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.925 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.9375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 852.95 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.1375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.2875 |
| ||
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.3 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.5625 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.5875 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.7375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.75 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.9375 |
| East Bay Regional Communications System (EBRCS) | Project 25 Phase I | 853.95 |
| System Name | Talkgroup | Description |
|---|---|---|
| East Bay Regional Communications System (EBRCS) | 3714 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3715 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3719 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3720 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3721 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3722 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3723 | Alameda County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 3705 | Alameda County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 3707 | Alameda County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 3709 | Alameda County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 3706 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3708 | Alameda County Sheriff - TAC |
| ||
| East Bay Regional Communications System (EBRCS) | 3710 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3711 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3712 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3713 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3724 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3725 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3726 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3727 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3728 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3729 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3730 | Alameda County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 3731 | Alameda County Sheriff - TAC |
| ||
| East Bay Regional Communications System (EBRCS) | 7705 | Contra Costa County Sheriff - Alternate |
| East Bay Regional Communications System (EBRCS) | 7712 | Contra Costa County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 7713 | Contra Costa County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 7715 | Contra Costa County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 7726 | Contra Costa County Sheriff - Dispatch |
| East Bay Regional Communications System (EBRCS) | 7706 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7708 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7716 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7717 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7718 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7721 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7722 | Contra Costa County Sheriff - TAC |
| ||
| East Bay Regional Communications System (EBRCS) | 7723 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7724 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7725 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7805 | Contra Costa County Sheriff - TAC |
| East Bay Regional Communications System (EBRCS) | 7806 | Contra Costa County Sheriff - TAC |
| Antioch | Brentwood | Clayton | Concord | |
| Danville | El Cerrito | Hercules | Lafayette | |
| Martinez | Moraga | Oakley | Orinda | |
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| Pinole | Pittsburg | Pleasant Hill | Richmond | |
| San Pablo | San Ramon | Walnut Creek | ||
Detect police activity and stay ticket-free in Contra Costa County with these police radar detectors.