Bullmastiff for Sale & Adoption USA

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Listings refresh regularly as shelters update their sites.

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About the Bullmastiff

The Bullmastiff / Mastiff is a giant dog breed originating in England. Adult dogs typically weigh 100 to 180 pounds and live 7 to 10 years. Typical traits: calm, devoted, protective, patient-with-kids.

Households with space, a moderate budget for vet care, and adopters prepared for a 7–10 year lifespan. Small apartments, families with very small kids (the dog's sheer weight is a risk), or owners not prepared for the breed's shorter lifespan.

Adult Bullmastiff / Mastiffs need about 45 minutes of daily exercise; adolescent dogs typically need 60 minutes. The coat is short-coated with moderate shedding, and brushing every 4 weeks keeps the coat manageable.

LocalPetFinder aggregates adoptable Bullmastiff / Mastiffs from rescues across California, Colorado, and Texas into one searchable place. Use the city links above to narrow to your area, or browse the full list below.

Common health concerns for Bullmastiffs

Hip and elbow dysplasia
Nearly universal in giant breeds; OFA screening is standard. Source: OFA →
Bloat (gastric dilation-volvulus)
A life-threatening emergency; feed two smaller meals rather than one large. Source: ACVS →
Bone cancer (osteosarcoma)
Giant breeds have elevated rates; lifespan-shortening when it occurs. Source: VCA →

Editorial summary for adopters, not medical advice. Consult your veterinarian for individual health guidance.

Bullmastiff Adoption FAQ

Tap a question to expand

How many Bullmastiffs are available for adoption in the US?▼

As of November 2026, there are no Bullmastiffs listed in the US rescue on LocalPetFinder right now — Bullmastiffs are among the rarer dogs in local rescue. Inventory turns over quickly, so setting an alert is the most reliable way to catch one, or consider an adoptable Bullmastiff mix.

Where can I adopt a Bullmastiff / Mastiff near me in the US?▼

LocalPetFinder lists adoptable Bullmastiff / Mastiffs from rescues across California, Colorado, and Texas in one searchable place. Use the city links above the listing to narrow to a city near you, or browse the full inventory below. Each profile links straight to the rescue to apply.

How long do Bullmastiff / Mastiffs live?▼

Bullmastiff / Mastiffs typically live 7 to 10 years.

How much exercise does a Bullmastiff / Mastiff need?▼

Adult Bullmastiff / Mastiffs need about 45 minutes of daily exercise. Adolescent dogs (under 2 years) typically need 60 minutes — more than mature adults.

What are common health concerns for Bullmastiff / Mastiffs?▼

Breed-associated conditions to ask the rescue about include Hip and elbow dysplasia, Bloat (gastric dilation-volvulus), Bone cancer (osteosarcoma). See the citations in the Health section above for authoritative information on each. This is editorial summary, not medical advice — consult your vet for individual guidance.

Are these Bullmastiffs for sale in the US?▼

Not for sale, for adoption, which is usually the better deal. Every Bullmastiff here comes from a the US rescue or shelter, not a breeder, pet store, or classified seller. Adoption fees are typically $250 to $650, with puppies at $450 to $800 and already include vaccinations, deworming, microchip and spay or neuter when age-appropriate, versus roughly several thousand dollars to buy a Bullmastiff from a breeder. If you searched "bullmastiff for sale the us" or "bullmastiff puppies for sale," adopting gets you a healthy, vetted dog for a fraction of the price.

Where can I buy a Bullmastiff in the US, and should I?▼

You can buy from a registered breeder, but it is worth weighing against adoption first. A reputable Bullmastiff breeder typically charges several thousand dollars and often has a waitlist, while a rescue Bullmastiff costs $250 to $650, with puppies at $450 to $800 fully vetted and may be available now. Be cautious of cheap bullmastiff-for-sale ads on classified sites and marketplaces, which are frequently backyard breeders or puppy-mill resellers with unvetted, sometimes sick animals and no health guarantee. If you do buy, insist on seeing where the puppies were raised and getting vet records. For most families in the US, adopting a rescue Bullmastiff is cheaper, faster, and gives a dog in need a home.

Are there free Bullmastiffs in the US, or bullmastiffs under $500?▼

Adoption is the closest honest answer, and it is not free. A rescue Bullmastiff in the US typically costs $250 to $650, with puppies at $450 to $800, so the lower end lands under the "$500" people search for and the rest does not. What the fee buys is work already done, the vaccinations, deworming, microchip and spay or neuter, which would cost more than the fee itself if you arranged it yourself, and it is still far below breeder prices. Be wary of genuinely free bullmastiff listings. An animal advertised free to a good home has usually not been vetted, and free rehoming ads are the route flippers and unregistered breeders use to move animals with no health guarantee and no recourse. Paying a rescue fee buys you a dog someone has already examined, treated, and been honest with you about.

Are there Bullmastiff puppies in the US, or only adults?▼

Both, but adults far outnumber puppies, and it is worth knowing that before you start looking. Most Bullmastiffs arriving in the US rescue are adolescents and adults, because that is the age at which first homes tend to give up. Puppies do come through, usually as accidental litters or with a surrendered mother, and they are typically spoken for quickly. Setting an alert beats refreshing the page. It is also worth asking whether you actually want one: an adult arrives with a temperament a foster has already observed and described, where a Bullmastiff puppy is a prediction, and for this breed in particular knowing what you are getting is the more useful thing.

Where can I find a Bullmastiff near me in the US?▼

Start with the listings on this page, which pull from the US rescues and shelters and are refreshed regularly, so what you see is what is genuinely available rather than a stale directory. If nothing suits today, that is normal for this breed: rescue intake is intermittent rather than steady, and a breed with none listed this week often has several next month. Setting an alert beats checking back, and it is worth widening to nearby towns, since most rescues serving the US will adopt out across a reasonable driving distance rather than only inside one municipality.

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