Are ticks a problem in Marin?

There have been 17 tick reports near Marin, CA, with 0 bites and 17 sightings. The most common species reported is the Unidentified. Check the Tick Map for the latest 2026 tick activity.

What kind of ticks are in Marin?

The most commonly reported tick species in Marin include Unidentified, Deer Tick. Each species carries different disease risks — see our species guide for identification help.

Tick Map

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Ticks in Marin, CA

17 tick reports from the Marin, CA area.

View on full interactive map

Total Reports

Sightings

Bites

Species Found in Marin

Unidentified16 (94%)

Deer Tick1 (6%)

Risk: High — carries Lyme disease

Tick Safety in Marin

Ticks are active in Marin, CA and surrounding areas. The most commonly reported species is the Unidentified, making up 94% of reports.

✓Wear light-colored clothing when walking in wooded areas or tall grass
✓Use EPA-registered tick repellent (DEET, picaridin, or IR3535)
✓Do a full-body tick check after being outdoors — especially behind ears, hairline, and waistband
✓Shower within 2 hours of coming inside
✓If bitten, remove the tick with fine-tipped tweezers and monitor for symptoms for 30 days