Petco is a health and wellness company dedicated to enhancing the lives of pets and their owners. The Montclair Petco store, located at 9137 Central Ave, provides a variety of brand-name pet nutrition products and supplies for dogs, cats, birds, small pets, fish, and reptiles. The store is known for its cleanliness and well-maintained environment. Customers appreciate the knowledgeable staff, especially in the fish department, who take the time to answer questions. The register staff also receive praise for their excellent customer service and helpful recommendations. However, some customers have raised concerns about the store's return policy, stating that it does not allow exchanges without a receipt, which has led to frustration for those who have lost theirs. While some customers noted a lack of assistance in specific departments, others highlighted individual staff members, like Vanessa, for their exceptional help. Overall, Petco offers a range of services, including grooming, veterinary care, and training classes, making it a go-to destination for pet needs.