State Line Tack In Petsmart is located at 250 Grossman Dr, Braintree, MA. This business specializes in Dog Boarding and Pet Sitting Services. State Line Tack In Petsmart is open Mon - Sat, 9am - 9pm; Sun, 10am - 6pm *Call or check the website for specific service hours (grooming, training, vet) as they may be different and accepts American Express, Discover and Visa.