PooPrints is a program that uses DNA testing of dog waste to identify owners who do not pick up after their dogs. It provides three benefits: 1) Communities become cleaner as more owners pick up waste to avoid fines from DNA matches. 2) Property owners can earn income from registration kits, increased pet fees, and fines for violations. 3) Resident retention increases and properties receive fewer complaints when kept clean, as shown by positive reviews from property managers who used PooPrints.