The Bullmastiff is a strong and powerfully built animal that possesses great intelligence and a willingness to please, making them ideal family companions and protectors. Although large, the breed remains both agile and active and is successful in conformation, obedience, agility, tracking, carting, and therapy work. The Bullmastiff’s coat may be red, fawn, or brindle.


The Bullmastiff’s known history in England begins around 1860 when they were developed to keep large estates and game preserves free of poachers. Gamekeepers needed a dog that could track quietly, cover short distances quickly and pin and hold poachers without mauling them. The foundation breeding was 60% Mastiff and 40% Bulldog. Breeders were hoping to create a dog faster and more aggressive than the Mastiff, yet bigger than and not as ferocious as the Bulldog.


The Bullmastiff is fearless and confident, yet remains docile and sweet-natured with his family. They are natural guardians of the home because they do not bark much, as silence was a virtue when guarding estates. Bullmastiffs are independent thinkers and may not respond to traditional obedience training. The breed does not require much exercise or grooming and can live happily in a house or apartment. They are great with children and other dogs.

  • Working Group; AKC recognized in 1934.
  • Ranging in size from 24 to 27 inches tall at the shoulder and 100 to 130 pounds.
  • Guard dog.


  • Apartment is ok.
  • Low activity indoors.
  • Thrive in moderate climates.


  • Daily short to moderate walks.


  • Occasional brushing.
  • Little shedding.