Are there rattlesnakes near San Jose?

Yes, there are rattlesnakes near San Jose. The northern Pacific rattlesnake lives throughout central and coastal Northern California.

In Joseph D. Grant County Park, east of the city, visitors report them most often from March through June. This is based on 55 iNaturalist observations in the park.

In spring and summer they're most active at dawn, dusk and night, and most bites happen from April to October. Wear sturdy boots and long pants in brushy areas, not sandals.