CA Contra Costa

Contra Costa County: Majority of Agencies Encrypted

9 public safety agencies in Contra Costa County, California have encrypted their radio communications.

8 Police Departments
1 Sheriff Offices
0 Fire Departments
0 EMS Agencies
Fully Encrypted 5 agencies (56%)
Partially Encrypted 4 agencies (44%)
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Encryption Technology Used in Contra Costa County

9 P25 AES-256

Encrypted Agencies in Contra Costa County

Agency Name Type Encryption Scope
Antioch Police Police P25 AES-256 Fully Encrypted
Brentwood Police Police P25 AES-256 Fully Encrypted
Concord Police ✓ Police P25 AES-256 Fully Encrypted
Contra Costa County Sheriff Sheriff P25 AES-256 Tactical Only
Hercules Police Police P25 AES-256 Tactical Only
Martinez Police Police P25 AES-256 Fully Encrypted
Pinole Police Police P25 AES-256 Tactical Only
Richmond Police Police P25 AES-256 Tactical Only
San Ramon Police ✓ Police P25 AES-256 Fully Encrypted
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Other California Counties

Los Angeles County 46 encrypted agencies 91% fully encrypted Orange County 35 encrypted agencies 100% fully encrypted Santa Clara County 22 encrypted agencies 64% fully encrypted Monterey County 16 encrypted agencies 94% fully encrypted Riverside County 11 encrypted agencies 100% fully encrypted

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Related Case Studies

Learn more about police radio encryption issues in California.

State California Case Study

Fight Encryption in Contra Costa County

Join the movement to restore transparency to public safety communications in Contra Costa County, California.

Take Action for Transparency

Your voice matters. Here are concrete ways to advocate for open police communications in your community.

📧

Contact Your Representatives

Use our templates to email your local officials about police radio encryption policies.

Get Started
📚

Read Case Studies

See how encryption has affected real communities - from Highland Park to Chicago.

View Cases
📢

Spread Awareness

Share evidence about police radio encryption with your network and community.

📊

See the Evidence

Review the facts, myths, and research on police radio encryption.

View Evidence
🎤

Public Testimony

Learn how to speak effectively at city council and public safety meetings.

Prepare to Speak
📥

Download Resources

Get FOIA templates, talking points, and materials for advocacy.

Access Toolkit

Take Action for Transparency

Your voice matters. Here are concrete ways to advocate for open police communications in your community.

📧

Contact Your Representatives

Use our templates to email your local officials about police radio encryption policies.

Get Started
📚

Read Case Studies

See how encryption has affected real communities - from Highland Park to Chicago.

View Cases
📢

Spread Awareness

Share evidence about police radio encryption with your network and community.

📊

See the Evidence

Review the facts, myths, and research on police radio encryption.

View Evidence
🎤

Public Testimony

Learn how to speak effectively at city council and public safety meetings.

Prepare to Speak
📥

Download Resources

Get FOIA templates, talking points, and materials for advocacy.

Access Toolkit