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AKC Height:

24-27 inches

AKC Weight:

100-130 pounds


Red, fawn, or brindle.

Life Expectancy:

7-9 years


Working Group

Bullmastiff: The Gentle Guardian and Loyal Companion

Welcome to our comprehensive guide on the Bullmastiff, a breed known for its impressive size, protective instincts, and gentle nature. This page provides an in-depth look at the Bullmastiff, a breed that combines strength with a calm demeanor, making it an excellent family protector and friend.


AKC Height: 24-27 inches

AKC Weight: 100-130 pounds

Colors: Red, fawn, or brindle.

Life Expectancy: 7-9 years

Group: Working Group

Physical Characteristics

  • Powerful and Sturdy Build: Bullmastiffs are large, muscular dogs, known for their formidable appearance. They possess a short, dense coat, typically in fawn, red, or brindle colors.
  • Dignified Stance: With a strong and balanced structure, Bullmastiffs exude confidence and reliability.

Temperament and Personality Bullmastiffs are calm, confident, and affectionate with their families. They are known for their loyalty and protective nature, making them excellent watchdogs. Despite their size, they are typically gentle and patient, especially with children.

Training and Exercise Needs

  • Training: They respond well to consistent, firm, and positive training. Early socialization and obedience training are crucial for their development.
  • Exercise: Moderate exercise is sufficient for Bullmastiffs. Daily walks and play sessions in a secure area are ideal.
  • Mental Stimulation: Providing mental stimulation through interactive toys and training exercises is important to keep them engaged.

Health and Nutrition

  • Diet: A balanced diet suitable for large breeds is crucial. Regular veterinary consultations can help manage their dietary needs.
  • Common Health Issues: Bullmastiffs can be prone to specific health issues, including hip dysplasia and certain heart conditions. Regular health screenings and preventive care are recommended.

Grooming and Care

  • Coat Maintenance: Their short coat requires minimal grooming but should be brushed regularly to maintain its condition.
  • General Care: Paying attention to their overall health, including dental care and weight management, is important.

Living with a Bullmastiff

  • Family Compatibility: They are great family pets, known for their protective nature and affection towards family members.
  • Adaptability: While they can adapt to various living environments, they do best in homes with enough space to move comfortably.
  • Companionship: Bullmastiffs form strong bonds with their owners and prefer being an integral part of family activities.

Responsible Ownership and Adoption

  • Selecting a Breeder: Choose a breeder who focuses on health and temperament and offers health clearances for their puppies.
  • Adoption Options: Considering adoption from shelters or breed-specific rescues is a great way to provide a loving home to a Bullmastiff in need.

Conclusion The Bullmastiff, with its imposing size and gentle disposition, is an ideal companion for families seeking a loyal and protective dog. Their calm temperament and affectionate nature make them a cherished member of any household.


Early, patient and consistent obedience training is important with this breed. You must be able and willing to spend time daily training your dog. As a large breed, Bullmastiffs require owners who can properly handle them. Bi-weekly to daily brushing is necessary to help control heavy shedding. Be prepared for a dog that drools.


Bullmastiffs are big dogs with a strong prey drive. The breed is intelligent, thinks for itself and can be stubborn at times. Children should be supervised around Bullmastiffs. As a breed, they are very protective of their owners.

Bullmastiff Housebreaking

Housebreaking the Bullmastiff requires consistency on your part. Dogs are creatures of habit, and knowing the tips and tricks of training will make the process so much easier and less stressful.

Puppy Housebreaking     Adult Marking & Retraining

Find a Puppy: Bullmastiff

If you are looking for a puppy or adult dog, please read our important information on choosing a puppy from a breeder and adopting a dog from a rescue. There are good dog breeders and good dog rescues and there are bad dog breeders and bad dog rescues. Our information will help you to make an informed decision and will give you tips on what to look for and what to avoid.

Pet shops are not the best place to look for a puppy. Dogs from pet shops often come from puppy mills, and puppy mill dogs are often kept in unhealthy conditions. The best way to end puppy mills is to rescue or buy from reputable sources.


The Bullmastiff should only be fed high-quality dog food targeted toward the dog’s age, whether puppy, adult, or senior. Avoid cooked bones and food with high fat content. Talk to your veterinarian if you have concerns about your dog’s weight.


The Bullmastiff is extremely eager to please their owners. At the very least, these dogs can benefit from learning basic commands, like sit, come, and stay. Because this breed is highly intelligent and easily bored, it is important to give them multiple challenging toys to keep this breed occupied.


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