Understanding California’s Pet Policies Generally,pets are not allowed in Walmart stores in Californiaunless they arecertified service animalsassisting individuals with disabilities. The answer lies in understanding the interplay between federal law, state regulations, and individual store policies. While California loves its dogs, certain restrictions apply in public spaces, including retail environments like Walmart. The main concern revolves around public health, safety, and accessibility for all customers. Service Animals: These animals are individually trained to perform specific tasks for people with disabilities, such as guiding the blind, alerting the deaf, or detecting seizures.