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Mastiff puppies and dogs in Princeton, New Jersey

Looking for a Mastiff puppy or dog in Princeton, New Jersey? Adopt a Pet can help you find an adorable Mastiff near you.

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Adopt a Mastiff near you Mastiff in cities near Princeton, New Jersey Other pups in Princeton, New Jersey Search for a Mastiff puppy or dog near you Browse Mastiff puppies and dogs in nearby cities Browse related breeds in Princeton, New Jersey Mastiff shelters and rescues in Princeton, New Jersey Learn more about adopting a Mastiff puppy or dog

Adopt a Mastiff near you in Princeton, New Jersey

We don't see any Mastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Mastiffs in cities near Princeton, New Jersey

These Mastiffs are available for adoption close to Princeton, New Jersey.
Photo of Gracie

Gracie

Mastiff Labrador Retriever

Male, 9 mos
east windsor, NJ
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Meet Gracie, a bundle of joyful energy and loyalty! This little girl will bring laughter and love into your home with her playful and affectionate nature. Gracie is an intelligent pup who is always up for an adventure, and with her athletic build, she'll be your active companion. She has a heart of gold and a funny, loving spirit that will keep you on your toes. Gracie is eager to find her forever family and will be a devoted friend to whoever adopts her. Could that be you?

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Photo of King Shady aka Cuto

King Shady aka Cuto

Mastiff

Male, 8 yrs 11 mos
Hamilton, NJ
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
At 8 years old, King Shady is a gentle Mastiff mix with a heart as big as he is. While many dogs his age are overlooked, King Shady is hoping someone will see beyond the gray on his muzzle and recognize the loyal, loving companion waiting underneath.King Shady enjoys the simple things in life. He`s always excited when it`s time for a walk, but once he`s outside, he settles into an easy pace and enjoys strolling by your side without pulling on the leash. He`s social with people, happy to meet new friends, and absolutely loves gentle pets, belly rubs, and spending quality time with the people he trusts.This handsome senior isn`t looking for adventure—he`s looking for a home. A quiet place where he can finally exhale, stretch out on a cozy bed, and know he belongs.King Shady is searching for an adult-only home where he can be the only pet. He can be reactive toward other dogs and has resource guarding behavior around food, so he`ll thrive with an experienced adopter who understands his needs and can provide a structured, predictable environment where he feels safe and secure.Toys don`t really interest King Shady—his favorite things are leisurely walks, relaxing with his people, and soaking up affection. If you`re looking for a loyal companion rather than a high-energy playmate, King Shady may be exactly who you`ve been waiting for.Senior dogs have a way of loving with their whole hearts. They don`t ask for much—just kindness, patience, and a place to call home. In return, they offer unwavering loyalty and quiet companionship that is truly priceless.If you have room in your heart and home for a gentle giant who deserves a second chance, come meet King Shady. He may just be the missing piece you`ve been searching for.To complete adoption questionnaire: https://hamiltonmcnj.seamlessdocs.com/f/AdoptionApplicationTo see other available animals: https://www.hamiltonnj.com/173/Pets-Available-for-AdoptionHamilton Township Animal Shelter cannot offer any guarantees on the age, health, temperament, personality or mental disposition of any pet. Hamilton Township Animal Shelter cannot and does not represent, warrant, promise, or guarantee how the adopted pet will interact or react to the new home environment.

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Photo of Drago URGENT HUNK‼️

Drago URGENT HUNK‼️

Mastiff

Male, Adult
Hamilton, NJ
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
🚨 URGENT: Drago Needs a Hero 🚨 Meet Drago—a lovable, oversized hunk of ham whose heart is every bit as big as he is. After being adopted in 2025, Drago has heartbreakingly found himself back in the shelter, once again searching for the forever family he thought he’d already found. This time, he deserves a home that will truly be forever. Drago is house-trained, crate-trained, wonderful with kids, dog friendly, and loves meeting new people. He walks beautifully on a leash, is always happy to earn a tasty treat, and is truly just a giant baby who wants nothing more than to be close to the people he loves. He does have a mischievous side—Drago is an escape artist, so he’ll need a secure yard or a family committed to keeping him safely contained. He also needs a cat-free home. Don’t let his size fool you. Underneath those muscles is a goofy, affectionate sweetheart who wiggles with excitement and is overflowing with love. 💔 Drago has already lost one home. Please don’t let him lose his chance at life, too. He’s running out of time and desperately needs someone to believe in him. Be Drago’s hero. Give this gentle giant the forever home he deserves. ❤️🐾 PLEASE TEXT KAREN 4136298152

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Photo of Drago URGENT HUNK‼️

Drago URGENT HUNK‼️

Mastiff

Male, Adult
Hamilton, NJ
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
🚨 URGENT: Drago Needs a Hero 🚨 Meet Drago—a lovable, oversized hunk of ham whose heart is every bit as big as he is. After being adopted in 2025, Drago has heartbreakingly found himself back in the shelter, once again searching for the forever family he thought he’d already found. This time, he deserves a home that will truly be forever. Drago is house-trained, crate-trained, wonderful with kids, dog friendly, and loves meeting new people. He walks beautifully on a leash, is always happy to earn a tasty treat, and is truly just a giant baby who wants nothing more than to be close to the people he loves. He does have a mischievous side—Drago is an escape artist, so he’ll need a secure yard or a family committed to keeping him safely contained. He also needs a cat-free home. Don’t let his size fool you. Underneath those muscles is a goofy, affectionate sweetheart who wiggles with excitement and is overflowing with love. 💔 Drago has already lost one home. Please don’t let him lose his chance at life, too. He’s running out of time and desperately needs someone to believe in him. Be Drago’s hero. Give this gentle giant the forever home he deserves. ❤️🐾 PLEASE TEXT KAREN 4136298152

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Photo of Munson URGENT BIG BOY ‼️

Munson URGENT BIG BOY ‼️

Mastiff

Male, Adult
Hamilton, NJ
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Good with kids, Not good with dogs, Not good with cats, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
🚨 URGENT: Munson Needs a Hero 🚨 Munson gave everything he had to the people who were supposed to love him. Instead, he spent his entire life being used for breeding. When they decided they no longer needed him, they discarded him like he didn’t matter and left him at a shelter. Now this 127-pound gentle giant sits alone, wondering why the only life he’s ever known ended in heartbreak. At just 4 years old, Munson deserves so much more than a lonely kennel and the possibility of dying because no one came for him. Beneath his big, powerful frame is a sweet soul who’s never had the chance to simply be someone’s beloved dog. Munson is neutered, ready for a fresh start, and desperately hoping that one person will see beyond his past and give him the future he’s always deserved. Please don’t let his story end in a shelter. After everything he’s endured, Munson deserves to know what it feels like to be loved instead of used. Be the hero who changes his ending. Please share—his life depends on it. ❤️ PLEASE HELP TEXT KAREN 4136298152

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Photo of Chewy ‼️!

Chewy ‼️!

Mastiff

Female, Young
Hamilton, NJ
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Good with cats, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Meet Chewy, URGENT BEING DUMPED AND WANT TO KEEP OUT OF THE HIGH KILL SHELTER OR THEY MORE THAN LIKELY WILL KILL THIS SUPER SWEET GIRL. This sweetheart girl was found dumped and will be dumped in high kill shelter because finder can’t keep. She is super sweet kid, cat and dog friendly. She is about 3-4 yr old we think. She is a gentle giant who needs some weight put on. You can tell she was not taken care of properly and like she should have been. She is in the thin side so needs some weight put on her. PLEASE TO SAVE CHEWY TEXT KAREN 4136298152

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Mastiff puppies and dogs in nearby cities

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Related breeds in Princeton, New Jersey

Bullmastiffs in Princeton, New Jersey Neapolitan Mastiffs in Princeton, New Jersey Saint Bernards in Princeton, New Jersey

Mastiff shelters & rescues in Princeton, New Jersey

There are animal shelters and rescues that focus specifically on finding great homes for Mastiff puppies in Princeton, New Jersey. Browse these Mastiff rescues and shelters below.

Here are a few organizations closest to you:

Rescue

8.9 miles

Lucky Tails Rescue - NJ transport

east windsor, NJ 08691

Pet Types: dogs

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Shelter

10.3 miles

Hamilton Animal Shelter

2100 Sylvan Ave., Hamilton, NJ 08610

Pet Types: cats, birds, dogs, farm animals, rabbits, reptiles, small animals

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Rescue

11.8 miles

Arcadia Animal Rescue - Central NJ Chapter

Hamilton, NJ 08620

Pet Types: cats, dogs, small animals

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Rescue

15.8 miles

Shelter Survivors

New Jersey/New York area, Raritan, NJ 08869

Pet Types: dogs

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Rescue

21.7 miles

WAGS Rescue and Referral PA KL#5254

P.O. Box 1514, Southampton, PA 18966

Pet Types: dogs

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Shelter

23.4 miles

Northern Ocean County Animal Facility

615 Freemont Ave, Jackson, NJ 08527

Pet Types: cats, dogs

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Rescue

30.9 miles

NJSH Pet Rescue

Chester, NJ 07930

Pet Types: cats, dogs

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Shelter

34.6 miles

The Pennsylvania SPCA

350 E. Erie Avenue, Philadelphia, PA 19134

Pet Types: cats, dogs, farm animals, horses

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Rescue

35.1 miles

Mastiffs to Mutts NJ

Toms River, NJ 08753

Pet Types: dogs

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Rescue

36.7 miles

Last Chance Ranch Animal Rescue

9 Beck Rd., Quakertown, PA 18951

Pet Types: cats, birds, dogs, farm animals, horses, rabbits, reptiles, small animals

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If you're not seeing what you're looking for, try our shelter and rescue search. We have more than 17,000 organizations in our database with furry pals waiting for a new home!

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Want to learn more about adopting a Mastiff puppy or dog?

We've got all the info you need on adopting and caring for a Mastiff puppy. Check out the links below for everything you ever wanted to know about Mastiff puppies and adults.

Mastiff basics

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Where do Mastiffs come from? How many types of Mastiffs are there? From the history of the breed to question about average height, weight and size, brush up on these basic facts about the Mastiff.

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