Update 2-6-26 shout out to @Christopher Brown who found the updated link Came across this resource while doing some research. According to data obtained from the U.S. Department of Homeland Security (HIFLD) and as of Fri, Sep 20, 2024, there are 56,094 Mobile Home and RV Parks in the U.S. Site names, addresses, and contact phone numbers: https://www.arcgis.com/home/item.html?id=ed1e173a494249a4b784d645eba49e6f&sublayer=0#data