

If you happen to be in an RV, they consider that “camping”. The larger cities typically have laws against sleeping in your car, or camping.

Most Walmart stores and Sam’s Clubs allow overnight parking, however the cities they are located in may not. Parking overnight at a Walmart in Marana, AZ Where You Can Park Overnight Walmart & Sam’s Club

Sometimes, the owner of the property will enforce overnight bans. Usually, it is the city that has enacted laws against overnight parking, or “camping”. Most stores don’t mind overnight parking in their lots. You can also park along most city streets as long as you don’t see any “No Parking” signs. You can park overnight at Walmart, Sam’s Club, Costco, Home Depot, Camping World, and a few other big box stores.
