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Origin: United Kingdom
Weight
100–130 lbs
Height
24–27 inches
Lifespan
7–9 years
Coat
Short, dense, and weather-resistant coat that lies flat against the body.
Breeder Cost
$1,000–$3,500
Adoption Cost
$50–$550
The Bullmastiff is a powerful, naturally protective yet remarkably gentle family companion. They are calm indoors and form deep bonds with their families, acting as watchful guardians without being needlessly aggressive.
Best For
An experienced dog owner with a spacious home, secure fencing, and a strong understanding of large guard breeds.
Moderate daily exercise, such as a steady walk or gentle playtime, is sufficient to keep this large breed healthy and fit.
Low maintenance grooming needs; weekly brushing with a rubber curry brush is enough to remove loose hairs and maintain coat shine.
Coat type: Short, dense, and weather-resistant coat that lies flat against the body.
The Bullmastiff is generally a sturdy breed. Primary health concerns include Hip Dysplasia, Gastric Torsion (Bloat), Elbow Dysplasia. Regular veterinary checkups, appropriate health screenings, and responsible breeding practices help minimize these risks.
Hip Dysplasia
A genetic malformation of the hip socket that can lead to arthritis and lameness.
Gastric Torsion (Bloat)
A life-threatening condition where the stomach twists and accumulates gas.
Elbow Dysplasia
Abnormal development of the elbow joint causing joint pain and mobility issues.
Developed in the mid-19th century by crossing the Mastiff and the now-extinct Old English Bulldog, the breed was created to be silent, fast, and powerful enough to pin poachers without biting them fatally.
They are famously quiet and rarely bark unless something unusual happens.
Despite their fierce history, they are known as affectionate 'gentle giants' with family members.
Their distinctive dark mask helps them blend into shadows during night patrols.
Owning a Bullmastiff is a long-term financial commitment. Here's a realistic breakdown of what to budget for.
Annual Cost
$1,200–$2,200
First Year (incl. setup)
$2,500–$4,500
High-quality large-breed adult or giant-breed formula
Routine checkups, joint supplements, and preventative care
Minimal grooming supplies and occasional baths
Heavy-duty chew toys, giant crate, and durable leash
* Estimates based on national averages. Costs vary by location, lifestyle, and individual health needs. Emergency vet visits are not included.
Use the guides below to compare practical options alongside this breed's care needs.
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Pet Camera
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Robot Vacuum
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Temperament
Climate & Physical
Compatibility
Rural & Outdoor
Scores reflect breed tendencies. Individual training significantly affects both livestock safety and off-leash reliability.
Based on breed-specific genetic health risks and common conditions
Many Bullmastiffs are waiting in shelters and breed-specific rescues. Adoption costs are typically $50–$550 vs. $1,000–$3,500 from a breeder.
Read our Rescue Guide →Get a printable PDF with traits, cost of ownership, health notes, and best-fit summary — free.