Bullmastiff

Bullmastiff Grooming Profile

Bullmastiffs are large, powerful guardians that reach full physical maturity between ages three and four. They are moderate shedders with short coats requiring weekly brushing and wrinkle care, needing consistent training and diet management to safely handle their size.

Breed Group

Working Dogs

Country of Origin

United Kingdom

Breed Size

Giant

AKC Recognition

Yes, recognized in 1933

FCI Recognition

Yes, recognized in 1955

Allergy-friendly

Worst Choice

1 / 10

Shedding

Moderate

5 / 10

Grooming need

5 mins/week

10 / 10

Low-maintenance

Easy

8 / 10

Size

Large

8 / 10

Growth timeline

3-4 years

10 / 10

Grooming FAQ

Are Bullmastiff hypoallergenic or allergy-friendly?

Bullmastiffs are not hypoallergenic. They have a short, dense double coat that sheds seasonally and produces dander, a common allergen. Additionally, their tendency to drool can further trigger reactions in sensitive individuals. They are not recommended for potential owners who suffer from significant dog allergies.

Allergy-friendly: 1 / 10

Do Bullmastiff shed?

Bullmastiffs are moderate year-round shedders with short, dense double coats. While shedding is typically manageable, owners will notice an increase during seasonal transitions in spring and fall. Regular weekly brushing is usually sufficient to minimize loose hair and maintain a healthy, clean coat in your home. The coat is a short, dense double coat as per breed standards.

Shedding: 5 / 10

How often should you groom a Bullmastiff?

To maintain a healthy Bullmastiff, brush their short coat once a week to manage moderate shedding. Bathe them every six to eight weeks, but prioritize cleaning their facial wrinkles regularly with a damp cloth to prevent infections. Regular nail trims and ear cleanings are also essential.

Grooming need: 10 / 10

Are Bullmastiff low-maintenance dogs?

Bullmastiffs are relatively low-maintenance companions. Their short, dense coats require only weekly brushing to manage moderate shedding. While they need regular exercise to prevent obesity, they have moderate energy levels. Owners must prioritize cleaning facial wrinkles and managing their large size through consistent training and socialization.

Low-maintenance: 8 / 10

How big do Bullmastiff get?

Bullmastiffs are a large and powerful breed with a solid, muscular build. Males typically stand 25 to 27 inches tall and weigh 110 to 130 pounds, while females reach 24 to 26 inches and 100 to 120 pounds. Their imposing stature makes them excellent protectors for active families.

Size: 8 / 10

When do Bullmastiff stop growing?

Bullmastiffs are slow-growing giant dogs that take longer to reach maturity than smaller breeds. While they may reach their full height by 18 to 20 months, males often continue to fill out, gaining muscle mass and weight until they are 3 to 4 years old.

Growth timeline: 10 / 10

How much should a Bullmastiff eat?

Adult Bullmastiffs typically require 3 to 6 cups of high-quality dry kibble total per day, divided into two meals. Because they are prone to bloat and obesity, split meals and consistent portion control are essential for their health.

Feeding amount: 6 / 10

How often should a Bullmastiff puppy eat?

Bullmastiff puppies require frequent, small meals to support their rapid growth and prevent skeletal issues. It is generally recommended to feed them three to four times daily until they are six months old. Establishing consistent mealtimes helps regulate their digestion and prevents them from gaining weight too quickly.

Puppy feeding frequency: 8 / 10

Vet Insights

Bullmastiffs are large, powerful guardians that reach full physical maturity between ages three and four. They are moderate shedders with short coats requiring weekly brushing and wrinkle care, needing consistent training and diet management to safely handle their size.

Dr. Vojtech Gabriel
Reviewed by
Dr. Vojtech Gabriel
DVM · PhD · MBA
VeterinarianResearcherDog breed specialist
Verified