District of Columbia records
Sierra Garter Snake in District of Columbia
HarmlessThamnophis couchii

Yes. The Sierra Garter Snake has been recorded in 1 District of Columbia county. It is non-venomous (harmless). Slender body with three light stripes running the length of a darker back.
District of Columbia counties with Sierra Garter Snake records
1 listedSee the full Sierra Garter Snake profile or all snakes in District of Columbia.