DUI Checkpoints in Marin County CA
Law enforcement agencies throughout Marin County conduct DUI checkpoints, driver’s license checkpoints, and DUI saturation patrols to help reduce impaired driving and improve roadway safety. This page lists publicly announced DUI checkpoints for communities including San Rafael, Novato, Mill Valley, Sausalito, Tiburon, Corte Madera, Larkspur, Fairfax, Ross, and San Anselmo. Checkpoint locations, dates, and enforcement times are updated whenever official information becomes available. Enforcement operations may be modified or canceled without notice.
Don’t drink and drive. If you have been drinking or using drugs that impair your ability to drive, use a designated driver, rideshare, taxi, or public transportation.
Last Updated: August 5, 2026
Reviewed by: Editorial Team
| City | Checkpoint Location | Time & Date |
|---|---|---|
| San Rafael | The San Rafael Police Department plans to conduct a DUI checkpoint at an undisclosed location in San Rafael. | Saturday, September 26, 2026 | 6 PM to 1 AM |
| San Rafael | The San Rafael Police Department has announced a DUI checkpoint at an undisclosed location within the city. | Friday, August 28, 2026 | 6 PM to 1 AM |
| Tiburon | Undisclosed location inside Tiburon (chosen based on past traffic crash and impaired driving data) | Friday, July 24, 2026 | 7 PM to 3 AM |
| Novato | The Novato Police Department will conduct a driving under the influence (DUI) Checkpoint at an undisclosed location in Novato. | Friday, May 1, 2026 |
| San Rafael | The San Rafael Police Department will be setting up a DUI checkpoint at an undisclosed location in the southern part of San Rafael. | Friday, January 30, 2026 | 5 PM to 1 AM |
| San Rafael | A DUI checkpoint is planned at an undisclosed location in the downtown area. | Friday, September 26, 2025 | 5 PM to 1 AM |
| San Rafael | A DUI/driver’s license checkpoint will be set up in the downtown area by the San Rafael Police Department. | Friday, September 26, 2025 From 5 PM to 1 AM |
| Novato | DUI checkpoint at an undisclosed location in Novato, CA. | Friday, May 2, 2025 |
| Novato | DUI and license Check - undisclosed location in Novato by Novato PD | Friday, 24 May 2024 - Memorial Day weekend - Today Evening |
| Novato | Undisclosed Location | Friday, December 15, 2023 |
| Novato | Undisclosed Location | Friday, September 1, 2023 |
| San Rafael | Undisclosed Location | Friday, June 16, 2023 |
| Novato | Undisclosed Location | Friday, June 16, 2023 |
| Novato | Undisclosed Location | Friday, December 16, 2022 |
DUI Enforcement in Marin County
The Marin County Sheriff’s Office, local police departments, and the California Highway Patrol (CHP) regularly conduct DUI enforcement to help prevent impaired driving. These operations may include DUI checkpoints, driver’s license checkpoints, and saturation patrols, particularly during weekends, holidays, and special events when traffic volumes are higher.
The goal of these enforcement efforts is to improve road safety, reduce alcohol- and drug-related crashes, and encourage responsible driving throughout Marin County.
Cities We Monitor
Our team monitors publicly announced DUI checkpoint information for communities across Marin County, including:
- San Rafael
- Novato
- Mill Valley
- Sausalito
- Tiburon
- Corte Madera
- Larkspur
- Fairfax
- San Anselmo
- Ross
- Belvedere
When an agency announces a checkpoint, this page is updated with the latest available information.
Types of DUI Enforcement You May See
Law enforcement agencies in Marin County may conduct several types of impaired-driving enforcement, including:
- DUI Checkpoints
- Sobriety Checkpoints
- Driver’s License Checkpoints
- DUI Saturation Patrols
- Holiday DUI Enforcement Campaigns
These operations are designed to identify impaired drivers and improve safety for everyone traveling on Marin County roads.
Frequently Asked Questions
Are DUI checkpoints legal in Marin County?
Yes. DUI checkpoints are permitted in California when they are conducted according to state and federal legal requirements.
Where are DUI checkpoints usually announced?
Many law enforcement agencies announce checkpoints through official news releases or social media before the operation begins. Some enforcement activities, including saturation patrols, may not include a specific location.
How often is this page updated?
This page is updated whenever publicly announced DUI checkpoint information becomes available for Marin County.
Can checkpoint locations change?
Yes. Agencies may relocate, postpone, or cancel DUI checkpoints because of weather, staffing, traffic conditions, or operational needs.
Help Keep Marin County Roads Safe
The safest choice is simple—never drink and drive. If you plan to consume alcohol or use impairing drugs, arrange a safe ride home before you travel. Responsible decisions help protect you, your passengers, and everyone sharing the road.