Ticks in San Mateo County, CA

21 tick reports from the San Mateo County, CA area.

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21

Total Reports

21

Sightings

0

Bites

Species Found in San Mateo County

Unidentified20 (95%)
Deer Tick1 (5%)

Risk: High — carries Lyme disease

Tick Safety in San Mateo County

Ticks are active in San Mateo County, CA and surrounding areas. The most commonly reported species is the Unidentified, making up 95% 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

Recent Reports in San Mateo County

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Unidentified sighting

Purisima Creek Open Space Preserve, San Mateo County, US-CA, US

22d ago

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Unidentified sighting

San Mateo County, US-CA, US

25d ago

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Unidentified sighting

San Mateo County, CA, USA

25d ago

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Unidentified sighting

San Mateo County, CA, USA

25d ago

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Unidentified sighting

San Mateo County, CA, USA

26d ago

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Unidentified sighting

San Mateo County, CA, USA

27d ago

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Unidentified sighting

San Mateo County, CA, USA

28d ago

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👁️

Unidentified sighting

San Mateo County, CA, USA

28d ago

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👁️

Unidentified sighting

San Mateo County, CA, USA

28d ago

View →
👁️

Unidentified sighting

San Mateo County, CA, USA

28d ago

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Protect your family from ticks in San Mateo County

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Tick Removal GuideTick Bite SymptomsLyme Disease GuideTick PreventionTick Species Guide