Maryland
Snakes in Baltimore County
16 species have been documented here, 1 of them venomous.
Venomous snakes in Baltimore County
Full guide & what to do if bitten →
Eastern CopperheadAgkistrodon contortrixVenomousHeavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Every snake recorded in Baltimore County
Common Garter Snake
Thamnophis sirtalis
Harmless
DeKay's Brownsnake
Storeria dekayi
Harmless
Common Watersnake
Nerodia sipedon
Harmless
Eastern Ratsnake
Pantherophis alleghaniensis
Harmless
Ring-necked Snake
Diadophis punctatus
Harmless
Eastern Milksnake
Lampropeltis triangulum
Harmless
North American Racer
Coluber constrictor
Harmless
Eastern Copperhead
Agkistrodon contortrix
Venomous
Rough Greensnake
Opheodrys aestivus
Harmless
Common Ribbon Snake
Thamnophis saurita
Harmless
Common Wormsnake
Carphophis amoenus
Harmless
Eastern Hognose Snake
Heterodon platirhinos
Harmless
Queensnake
Regina septemvittata
Harmless
Smooth Earthsnake
Virginia valeriae
Harmless
Eastern Kingsnake
Lampropeltis getula
Harmless
Red-bellied Snake
Storeria occipitomaculata
Harmless
Compiled from verified GBIF & iNaturalist observations. Informational only.
Snakes in Baltimore County: FAQ
- Are there venomous snakes in Baltimore County, Maryland?
- Yes. 1 venomous snake species has verified records in Baltimore County, Maryland, including Eastern Copperhead. Most snakes in Baltimore County, Maryland, however, are harmless.
- How many snake species live in Baltimore County, Maryland?
- 10+ snake species have verified records in Baltimore County, Maryland, of which 1 is venomous.
- What is the most commonly seen snake in Baltimore County, Maryland?
- The Common Garter Snake is the most frequently reported snake in Baltimore County, Maryland, based on verified wildlife observations.
- What should I do if I see a venomous snake in Baltimore County, Maryland?
- 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.