Snake Control in Rhode Island: Anything can be a Pest if you don't like it or it goes where you don't want it to go and Snakes are no exception.
There are no Snakes native to Rhode Island that are Venomous. Some of the Common Snakes in RI are the Northern Black Racer, Eastern Smooth Green Snake, Eastern Ribbon Snake, Eastern Milk Snake, Eastern Garter Snake (most common), Northern Brown Snake, Eastern Hognose Snake, Northern Water Snake, Black Rat Snake, Northern Ringneck Snake, Eastern Worm Snake and the Northern Red-belly Snake.
If you find a Snake in your home don't panic. Snakes will bite if they feel threatened and act aggressively when they are cornered. Most Snake Teeth are angled toward the back of the throat to aide in swallowing their food whole.There a many Snakes throughout the U.S. and the rest of the world that are very aggressive and very poisonous. Thankfully Rhode Island is an exception. Keep in mind this does not mean a Poisonous Snake could not wander in from another area or be brought in accidentally or as a pet that was released. I personally don’t know of any that have. DEM or U.S. Fish and Wildlife would be the agencies to check.
Snakes will sometimes wander into a house either as a possible harborage area or more commonly following the scent of a mouse. Signs would be seeing them or seeing their Shed Snake Skin.
Snakes can enter a home through an opening that any Rodent has used and even Large Insect, both are Food Sources for Snakes. These openings can be as small as 1/4”. Many Snake Species will have a communal overwintering area that could have 100’s of snakes. This is how Garter Snakes survive the cold months. I have seen this before in old homes with dirt foundations.
Snakes can get through any opening that any Rodent can so the best step is Sealing off all Exterior Holes. These opening can be as small as 1/4”. Remember no native poisonous Snakes in Rhode Island.