K-9 Castle offers comprehensive dog services in Denver, including full-service grooming, daycare, and boarding. The facility features spacious turf outdoor yards and climate-controlled indoor play areas. Dogs enjoy socialization through group play sessions, and owners can monitor their pets via webcams during weekdays. The grooming services include haircuts, baths, nail trimmings, and more. K-9 Castle prioritizes health and safety with strict vaccination requirements and regular sanitation.