Open the PDF with Adobe Reader. A dog walking contract should outline the dog walker's major responsibilities and the process for carrying those out.Cover every aspect of dog's care, from walks, vet visits, and medication schedules. Pet Sitter is entrusted to use best judgment in caring for pet(s) and home, in the event of an emergency situation, inclement weather or natural disaster. As professional dog walkers we will enter into a service contract and have you complete a key release or lockbox form to grant us access to your home. ​. We have created this guide to help get you started with some of the most crucial items to include in your dog walking contract. - Client will be given a form and contract at time of first meeting. Client Service Agreement for Pet Sitters and Dog Walkers.