Washington
Snakes in Snohomish County
4 species have been documented here, 1 of them venomous.
Venomous snakes in Snohomish County
Full guide & what to do if bitten →
Western RattlesnakeCrotalus oreganusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Snohomish County
Common Garter Snake
Thamnophis sirtalis
Harmless
Northwestern Garter Snake
Thamnophis ordinoides
Harmless
Western Rattlesnake
Crotalus oreganus
Venomous
Northern Rubber Boa
Charina bottae
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Snohomish County: FAQ
- Are there venomous snakes in Snohomish County, Washington?
- Yes. 1 venomous snake species has verified records in Snohomish County, Washington, including Western Rattlesnake. Most snakes in Snohomish County, Washington, however, are harmless.
- How many snake species live in Snohomish County, Washington?
- 4 snake species have verified records in Snohomish County, Washington, of which 1 is venomous.
- What is the most commonly seen snake in Snohomish County, Washington?
- The Common Garter Snake is the most frequently reported snake in Snohomish County, Washington, based on verified wildlife observations.
- What should I do if I see a venomous snake in Snohomish County, Washington?
- Keep your distance and do not try to catch or kill it. Most bites happen when people handle or corner a snake. If someone is bitten, contact local emergency services or poison control immediately.