A helpful guide to everything you should include in your dog walking contract! We ask for your work schedule as soon as you know it.We bill clients on Sunday for the upcoming week using venmo or paypal. Why Do I Need a Dog Walking Contract? Here's why you should consider drafting a dog walking contract, what you should include in it and how to make it happen. Before you walk a pooch for pay, decide what legal form your business will take. A written contract lays down the rules and helps establish an acceptable arrangement between you (the dog walker) and the pet owner (your client). List all your services, add-ons, rates and payment details. A lot of dog walkers also offer things like day care, overnight boarding, and grooming.