Does a dog walker need a professional license? No, never 100% Next Question Question: Does a dog walker need a professional license? Top Answer (100% of 1 votes): No, never. Next Question Find Local Pros Free Dog Walking Cost Estimates Related Questions How Much Does a Dog Walker Cost? How Much Does Electronic Pet Fence Installation Cost? How Much Does Overnight Pet Sitting Cost? How Much Do Dog Door Installers Charge? How Much Does Dog Waste Clean Up Cost?