As part of our Ask 2 series, the newsroom will answer your questions about all things Houston. Question: Is there a law requiring dog owners to pick up their dog’s feces? In the City of Houston, including several areas of Harris County, it is the responsibility for dog and cat owners to pick up their pet’s feces while in a public area such as a dog park. The law is not applied if the pet defecates on their owner’s yard. Violation for refusing to pick up after your dog ranges between $75 to $500.