Massachusetts records
Common Garter Snake in Massachusetts
HarmlessThamnophis sirtalis

Yes. The Common Garter Snake has been recorded in 14 Massachusetts counties. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
Massachusetts counties with Common Garter Snake records
14 listedSee the full Common Garter Snake profile or all snakes in Massachusetts.