Short-term rentals (STRs) in Rock Island County, Illinois, commonly referred to as boarding houses or tourist homes, are legal and regulated under the County Code of Ordinances. These rentals can operate with a Special Use Permit in R-2, R-3, and U-1 zoning districts, and they are allowed by right in R-4 zones. Properties that thrive in this market include cabins in rural settings and residential homes or apartments in urban areas, catering primarily to tourists drawn by the scenic Mississippi River and local attractions. The market environment is favorable for tourists, especially during the summer months and local events, although some business travelers also seek short-term accommodations. The Rock Island County Zoning and Building Safety department is responsible for the oversight and regulation of these rentals, ensuring compliance with occupancy and safety requirements, including the need for automatic fire sprinkler systems in certain cases. For more details, visit the official Rock Island County website: https://www.rockislandcountyil.gov/406/Short-Term-Rentals.