Anyone know what kind of snake this is ?

Every summer we have some regular visitors that come by the NNJ Studios. Usually they're garter snakes, but this one is different. If anyone knows what kind of snake this is please let us know.  
Im am pretty certain its NOT venomous because of the shape of its head, but im no snake expert so we just let him go about his business without human interference !  #COEXIST



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