The Pet Atlas

Breed Dogs Working

Bullmastiff

Broad guardian with quiet composure

At a glance

Basic requirements and commitment level

Daily requirements

Activity
Medium
Exercise
Medium
Mental stimulation
Medium
Trainability
Medium
Vocality
Low
Health sensitivity
High
Grooming
Low
Shedding
Medium
Temperature sensitivity
High

Context & compatibility

Size
Giant
Lifespan
7–9 years
Body weight
100–130 lb
Height
24–27 in
Apartment suitability
Less Suited

Is this right for you?

Common scenarios where this breed tends to fit well or less well

A good match

  • Are comfortable with drool, snoring, and the practical reality of a very large body in the home
  • Want a calm, imposing companion who's content with steady routines and being close to the family

Not ideal

  • Prefer a constant social greeter who loves frequent strangers without any guard-leaning instincts
  • Want a high-endurance running partner or a dog built for long-distance daily cardio

Social & behavior

Temperament and interaction style

Personality & activity

Quiet, steady, and very “stay close,” often content with moderate activity and lots of downtime. More presence than performance.

Handling & social style

Affectionate with family, reserved with strangers; tends to plant and lean rather than bounce. Handling works best with gentle firmness and consistent manners.

Care & health

Setup, routines, and health considerations

Care overview

The Bullmastiff is calm, steady, and imposing, often affectionate at home with a quiet seriousness. Many do best with owners who value manners, routine, and low-drama handling.

Environment & space

They don’t need constant activity, but they do take up real physical space. Homes with easy entry/exit and fewer tight corners make daily life smoother.

Daily routine

Short to moderate walks and low-impact engagement usually fit best. Many thrive on paced, consistent routines rather than intense workouts.

Health sensitivities

Common owner priorities include joint comfort, weight management, heat tolerance, and overall big-dog mobility.

Grooming / coat

Easy coat care with moderate shedding. Practical upkeep is mostly about cleanliness and comfort.

Background

Origins and how that history shapes what you see today

Origin region

England

Background

Developed in England in the mid-1800s as a gamekeeper’s dog, the Bullmastiff was bred to quietly track and stop intruders without a lot of noise. That job favored calm power and steady nerves. Today, many Bullmastiffs are relaxed and devoted, but their strength shows up in everyday moments, so good manners matter early.