Mastiff Adoption in Mount Rainier, MD: Mastiff Puppies for Sale in Mount Rainier, MD

Adopt a Mastiff near you in Mount Rainier, Maryland

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 Mount Rainier, Maryland

These Mastiffs are available for adoption close to Mount Rainier, Maryland.

Bark Hamill

Mastiff

Male, 4 yrs

Washington, DC

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Story

*Woof* Meet me at 71 Oglethorpe St NW between 12pm-7pm daily!

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Piper AKA Tobias Squishmallow III

Mastiff Mixed Breed (Medium)

Male, 2 yrs 3 mos

Washington, DC

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Not good with kids, Good with dogs, House-trained, Spayed or Neutered,

Story

fam, what is up? i am piper, legitimately the coolest and nicest dog in town but actually … i am literally THAT guy. i’m pretty easy going, good in the car, and on the couch. that new netflix show that’s def gonna be coming out about the karen dever case? i will watch it with you. fr. even if you’re already following it on tiktok. i’ll listen to you talk about it AND i will watch the entire show with you and still act cool with it. so you know…if you’re like interested or whadeva, tap my line and let’s be besties for the resties 🫶🏼 ciao, piper What the people have to say about me: Meet this handsome, laidback boy who's ready to steal your heart! Piper is a true gentle giant, content to lounge and cuddle or play with his favorite toys. He's a go anywhere kinda guy (brewery/patio approved!) and he's got a smile that will melt your heart! Piper is a loving boy who has shown himself to be a truly medium energy fella - a couple of average walks, some playtime, and something to engage his brain and he's good to go! Piper is also quite the paradox - on one hand he is so smart and eager to please! He knows sit and paw, seems to know to lie down and even comes back when called. On the other hand, this poor guy couldn't figure out how a kong works! It's okay Piper, we get it. You're book smart and might just lack some commonsense! Piper loves to chew and is an expert at defluffing a good stuffed toy. He loves his playtime with his doggy pals equally to his cuddles with his human companions. Swiper says there's no such thing as being too big to be a lapdog and he's always ready to melt into you and offer his belly for some rubs! With his sweet disposition and easygoing nature, he's looking for a loving home where he can be your best friend and a cherished member of the family. Piper is learning that sharing is caring and is readily trainable. He has a chill demeanor and is a joy to be around! Piper's got a heart as big as his head and is just waiting to adore his forever family with! ADOPTION DISCLAIMER: At Perfectly Paired Pitties (P3), we aim to provide accurate information about all of our animals to the best of our abilities. That said, we cannot guarantee that any dog is housebroken or crate trained and cannot promise any specifics regarding an animal's breed, size, health, behavior, temperament, or other conditions. Our adoption fee does not fully cover all vetting, medical care, food, supplies, or training costs. As we depend on donations to provide for the animals in our care, we are unable to reduce or refund the adoption fee.

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Kori

Mastiff

Female, Adult

Hyattsville, MD

Size

(when grown) Med. 26-60 lbs (12-27 kg)

Details

Good with kids, Good with dogs, Not good with cats, Needs experienced adopter, House-trained, Spayed or Neutered, Shots are up-to-date,

Story

Hello! This is Kori. She is 5 yrs old. An sweet energetic girl. She loves people and is also very affectionate. Kori came to me as a boarding and daycare client however her previous owners went through some life changes and couldnt keep her. They were considering giving her to the shelter however I didn't think she would do well in that environment. She does get nervous in new noisy places so i decided to foster. I run a boarding business so shes been around all size dogs. She does well with male dogs. Other females take some warming up to but in time she's ready to play. She has been around small children via her previous home and loves children. She does know the basics (Sit, Stay, Down etc.) She is house and crate trained as well. She is an free adoption. She is coming with everything needed (Beds, Crate, food). I am also offering to help pay 50% towards training to help her transition into her new home. Kori is such a good dog. She would make a great addition to the family.

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*LEGOLASS

Mastiff

Male, 5 yrs 1 mo

Upper Marlboro, MD

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Story

Legolass is a 5-year-old, 65-pound Mastiff who happens to be the first dog you see when you walk into the adoption room. With the shelter at capacity, kennels are full, and his spot puts him right in the middle of constant foot traffic. It’s a busy, noisy place with people and dogs coming and going all day, which can make Legolass seem a bit barky in his kennel.Step into the interaction room with him, though, and you’ll meet a very different Legolass. He’s calm, slightly shy, and seems incredibly sweet. He knows how to sit, takes treats gently, and with a little sweet talk, his tail starts wagging and he starts giving kisses.Sometimes the first dog you see gets overlooked. Take a chance on meeting Legolass and you just might find your perfect match.

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Pluto

Mastiff Pit Bull Terrier

Male

Brookeville, MD

Size

(when grown) -

Details

Good with dogs, Spayed or Neutered, Shots are up-to-date,

Story

PLUTO – A Gentle Giant Who’s Learning What Love Feels Like Pluto’s story is one of quiet strength, resilience, and hope. When he was first found, Pluto’s body told a heartbreaking story—thin, weak, and covered in the marks of neglect, he had clearly been struggling to survive for far too long. Yet even in his frailest moments, his eyes showed nothing but kindness and a longing to trust again. With time, care, and steady meals, Pluto has begun to heal. His once fragile frame is filling out, his coat is regaining its shine, and his spirit is blossoming. Today, Pluto is discovering the joy of simple things—soft bedding, full bowls, gentle voices, and the company of people who see him for the beautiful soul he is. Pluto is a large, calm, and affectionate boy. He moves with quiet confidence and has a gentle presence that draws you in. He gets along well with other dogs, especially those who are respectful and laid-back like he is. He’s not demanding; instead, he enjoys just being near his people, resting his head close by, or soaking up a few moments of peace in the sun. After everything he’s been through, Pluto deserves a home that will offer him consistency, kindness, and the unconditional love he has always given in return. He is a living reminder that even after hardship, trust and joy can return with patience and care. Pluto is neutered, microchipped, and up to date on vaccines and preventatives. He will be fully vetted prior to adoption. Location: Texas (available for transport) Adoption Fee: $350 plus health certificate and transport (if out of state – varies by location) Adoption Process: The adoption contract and fee are finalized prior to transport. All Pep’s Pals Rescue adoptions include a virtual interview and video meet-and-greet. Pluto is ready to leave his past behind and finally experience the comfort of a loving forever home. Could that be you? Apply at pepspalsrescue.org/adopt ##2541025##

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Ginger

Mastiff

Female, Adult

Halethorpe, MD

Size

(when grown) X-Large 101 lbs (46 kg) or more

Details

Needs experienced adopter, House-trained, Spayed or Neutered, Shots are up-to-date,

Story

Ginger is a gentle Mastiff who came to me from the shelter after being removed from a home by Animal Control. When she arrived, she was scared, shut down, & unsure of the world. With patience & kindness, she has blossomed into a snuggly, affectionate companion who wants nothing more than a safe, steady home & a trusted human to bond with. She is goofy, playful, & occasionally “talks back.” She communicates her needs well, although she can be a bit stubborn. Ginger shows many Boerboel traits, although her exact breed is unknown. She is excellent on a leash & has great recall. She was originally fostered with her companion Clover, & I ultimately adopted them both. Unfortunately, a planned adoption fell through, and I am now struggling to meet Ginger’s needs financially and time-wise. This decision is especially hard after losing a beloved dog in June. Though still cautious with new people—esp men—Ginger has an incredible capacity for deep connection. She is truly a diamond in the rough.

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Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in Mount Rainier, Maryland.

Mastiff puppies and dogs in Mount Rainier, Maryland

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Mastiff puppies and dogs in Mount Rainier, Maryland

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Adopt a Mastiff near you in Mount Rainier, Maryland

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 Mount Rainier, Maryland

These Mastiffs are available for adoption close to Mount Rainier, Maryland.

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in nearby cities

Related breeds in Mount Rainier, Maryland

Mastiff shelters & rescues in Mount Rainier, Maryland

Looking for a specific shelter or rescue?

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

Mastiff basics

Mastiff basics