California
Snakes in Los Angeles County
41 species have been documented here, 5 of them venomous.
Venomous snakes in Los Angeles 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.
Mojave RattlesnakeCrotalus scutulatusVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Prairie RattlesnakeCrotalus viridisVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
SidewinderCrotalus cerastesVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Red Diamond RattlesnakeCrotalus ruberVenomousHeavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Every snake recorded in Los Angeles County
Western Rattlesnake
Crotalus oreganus
Venomous
Gopher Snake
Pituophis catenifer
Harmless
No photo
Mexican Whip Snake
Masticophis lineatus
Harmless
Striped Racer
Masticophis lateralis
Harmless
California King Snake
Lampropeltis californiae
Harmless
Two-striped Garter Snake
Thamnophis hammondii
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Mojave Rattlesnake
Crotalus scutulatus
Venomous
California Mountain Kingsnake
Lampropeltis zonata
Harmless
Common Coachwhip
Masticophis flagellum
Harmless
Coast Mountain Kingsnake
Lampropeltis multifasciata
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Prairie Rattlesnake
Crotalus viridis
Venomous
Western Patch-nosed Snake
Salvadora hexalepis
Harmless
Coast Night Snake
Hypsiglena ochrorhynchus
Harmless
Sidewinder
Crotalus cerastes
Venomous
Brahminy Blindsnake
Indotyphlops braminus
Harmless
Glossy Snake
Arizona elegans
Harmless
Sierra Garter Snake
Thamnophis couchii
Harmless
Tantilla selmae
Harmless
Western Threadsnake
Rena humilis
Harmless
Western Glossy Snake
Arizona occidentalis
Harmless
Sinaloan Nightsnake
Hypsiglena torquata
Harmless
Long-nosed Snake
Rhinocheilus lecontei
Harmless
Coastal Rosy Boa
Lichanura orcutti
Harmless
Common Garter Snake
Thamnophis sirtalis
Harmless
California Lyresnake
Trimorphodon lyrophanes
Harmless
Banded Watersnake
Nerodia fasciata
Harmless
North American Racer
Coluber constrictor
Harmless
Mojave Shovelnose Snake
Sonora occipitalis
Harmless
Desert Rosy Boa
Lichanura trivirgata
Harmless
Pine Snake
Pituophis melanoleucus
Harmless
Red Diamond Rattlesnake
Crotalus ruber
Venomous
Desert Nightsnake
Hypsiglena chlorophaea
Harmless
Red Cornsnake
Pantherophis guttatus
Harmless
Western Terrestrial Garter Snake
Thamnophis elegans
Harmless
Western Lyre Snake
Trimorphodon biscutatus
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Striped Whipsnake
Masticophis taeniatus
Harmless
Ground Snake
Sonora semiannulata
Harmless
Western Leaf-nosed Snake
Phyllorhynchus decurtatus
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.