Cashmere
Long Beach Animal Care Services • Long Beach, CA
Mastiff Dogs for Adoption
266 adoptable dogs from shelters and rescues across the US. Showing 241–266 of 266 below.
About adopting a Mastiff
"Mastiff" on a shelter listing is a broad label. It can mean an English Mastiff, a Bullmastiff, a Neapolitan, a Cane Corso, or simply a very large dog with a heavy head and loose lips whose background nobody knows. Shelter staff assign it based on what a dog looks like at intake, so the word describes a body type more than a pedigree.
What the label tends to predict is size and a calm, watchful manner. Many mastiff-type dogs are quiet in the house, slow to react, and deeply attached to their people. Puppies under this label grow fast and stay clumsy for a long stretch, so early training pays off. Adults are often already past the wild stage and settle into a routine quickly.
What the label cannot tell you is how a particular dog feels about strangers, other dogs, or being left alone. Guarding instincts run through several of the breeds grouped here and show up differently in each individual. Drool, snoring, and a big food bill come with most of them. Hip and joint concerns, bloat, and heat sensitivity are things to ask the shelter and your veterinarian about. Ask the shelter or rescue what this dog has lived through and what training he has had so far, because that matters more than the word on the card.
266 Mastiff dogs available — page 9 of 9
Marty
Los Angeles County Animal Control - Downey • Downey, CA
Meena
The Animal Foundation - Las Vegas • Las Vegas, NV
Gladys
Gladys is a calm, affectionate 3‑year‑old, 79‑lb girl who loves quiet companionship and steady routines. She walks beautifully on leash and is easy to…
Douglas County Animal Services • Douglasville, GA
Bailey
Bailey and friend Paisley are with FOCCAS now due to their human having serious health issues. Bailey is used to children and another dog. She enjoys …
Focus on Cumberland County Animal Safety (FOCCAS) • Crossville, TN
Tanner
Tanner is a handsome boy! He loves to take walks and lean into you for pets. He is a great car rider and really doesn't care where you are headed - he…
Focus on Cumberland County Animal Safety (FOCCAS) • Crossville, TN
Bubs
Meet Bubs Born on January 21, 2026, Bubs is an adorable mastiff mix puppy with a whole lot of growing (and cuddling) ahead of him. With his cute black…
The Buster Foundation Pit Bull Education and Rescue • Belleville, MI
King
6 years old (estimated) Neutered Male 106 lbs. Has done well with other dogs Looking for a home without cats No known experience with kids Meet King, …
Humane Society of Jefferson County • Jefferson, WI
Pancho
Meet Pancho! Poncho is the big teddy bear you’ve been looking forrrrrr! For the mastiff loving families out there who wants one of these gentle giants…
Love All Animals • Dana Point, CA
Arlo
ARLO is a 90lb, 5yr old Mastiff mixed with Black Mouth Cur who has not had the best life at home which is why we are helping a friend by trying to reh…
Beastly Rescue • Brooklyn, NY
Eden
Washington Wilkes Animal Shelter • Norwood, GA
Pipsqueak
Meet Pipsqueak, a charming 2-year-old male Mastiff with a calm and easy-going personality that’s sure to win your heart. This gentle giant is not only…
City of Tulsa Animal Welfare • Tulsa, OK
Moose
The Animal Foundation - Las Vegas • Las Vegas, NV
Linen
Long Beach Animal Care Services • Long Beach, CA
Tootsie Roll
Meet Tootsie Roll! This 5-year old English Mastiff Mix is a loyal and devoted gentle giant who came to us after her owner could no longer care for her…
Crops and Flops Rescue, Inc. • Westminster, MA
Elliot
Elliot is a gentle giant* Elliot walks well on a leash* Elliot knows sit* Elliot appears to be potty trained* Elliot did well on his temperament test …
Moreno Valley Animal Shelter • Moreno Valley, CA
Butterscotch
Meet Butterscotch “Scotch” Scotch is a very sweet boy who is looking for a patient, understanding home. He is very shy and under-socialized, but has n…
Canine Rescue Coalition • Goodyear, AZ
Mastiff dogs by state
Other breeds
Adopting a Mastiff — FAQ
Is a Mastiff a good family dog?
Many mastiff-type dogs are gentle and patient with their own family, and their calm nature suits a quiet home. Their size means a wagging tail or a friendly lean can knock over a toddler, so supervision matters. Early socialization and clear house rules help a young dog grow into a steady adult.
How much exercise does a Mastiff need?
Less than most people expect. A couple of steady walks and some time to sniff around a yard satisfy most adults. Puppies should not be run hard or taken on long hikes while their joints are still developing. Mental work, like short training sessions, tires them out just as well.
Why do so many Mastiffs end up in shelters?
Size is the most common reason. A dog that seemed manageable as a puppy becomes expensive to feed, hard to house in a rental, and difficult to move. Some families also underestimate the drool and shedding. Very few are surrendered for aggression, and many arrive already house trained and mellow.
How do I adopt a Mastiff?
Open any dog's profile to see the shelter or rescue caring for them, then use the adoption link or contact details to apply directly with that organization. Every Dog's Chance simply gathers listings in one place so they're easier to find.
Are Mastiff dogs a good fit for first-time adopters?
Many Mastiff dogs — especially adult dogs who are already house-trained — can be a great match for first-time owners. Each dog's profile and the shelter or rescue caring for them can tell you about that dog's individual energy level, training, and personality before you apply.
How much does it cost to adopt a Mastiff?
Adoption fees vary by shelter and rescue, but typically include spay/neuter, vaccinations, and a health check. Open any dog's profile and contact the organization directly for their current fee and what it covers.
Are Mastiff dogs good with children or other pets?
It depends on the individual dog more than the breed alone. The shelter or rescue caring for each dog can tell you about their history with kids, cats, and other dogs. Many organizations offer meet-and-greets to make sure the match is right for everyone before you commit.
Can I foster a Mastiff instead of adopting?
Many shelters and rescues offer a foster program, sometimes with a foster-to-adopt path. Fostering a Mastiff gets them out of a kennel and into a calm home, which is a great way to see if the match feels right before committing. Ask the organization on any dog's profile whether fostering is an option.
What should I expect in the first weeks after adopting a Mastiff?
Most dogs have a brief adjustment period — a few days to a couple of weeks — as they settle into a new home. A consistent routine, a comfortable place to rest, and patience make the transition easier for both of you. The shelter or rescue can tell you what to expect from the specific dog you're adopting.
