A dog walking contract will outline the expectations of both clients and dog walkers before service begins. This agreement provides clear details about the pet's typical routines and outlines the expectations the pet owner has for the pet sitter's responsibilities.Hire a professional dog walker with ease using our dog walking agreement template. Dog discount walking contract. Some dog walker training programs will also provide sample contracts. Download our pet sitting contract template to record the pet sitting services a pet sitter will provide to you as the pet owner. It is essential to have a written contract as a pet sitter and dog walker. It states that a pet sitter will provide specific services and act in a certain manner while they're caring for the pet owner's animal. Who are the best dog walkers in your area and what services do they offer? You DO NOT need to "open a business" to legally sell your services as a pet sitter.