I don’t know if there’s a law or regulation about this, but one of my neighbors has had a large camping trailer parked behind his house for some time. I hate that thing; every time he gets it out he backs into my lot and nearly crushes my car. So consider not only whether it will fit, but whether you can move it. Also, I’m not sure if they need to be insured through an auto policy (or if your insurer would require a rider), but that will probably cost you. Is it really worth it versus renting a cabin or pitching a tent when you want to rough it?