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Mastiff puppies and dogs in Monmouth, Oregon

Looking for a Mastiff puppy or dog in Monmouth, Oregon? 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 Monmouth, Oregon Other pups in Monmouth, Oregon Search for a Mastiff puppy or dog near you Browse Mastiff puppies and dogs in nearby cities Browse related breeds in Monmouth, Oregon Mastiff shelters and rescues in Monmouth, Oregon Learn more about adopting a Mastiff puppy or dog

Adopt a Mastiff near you in Monmouth, Oregon

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 Monmouth, Oregon

These Mastiffs are available for adoption close to Monmouth, Oregon.
We'll also keep you updated on Ralph BW's adoption status with email updates.
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Ralph BW

Mastiff Mixed Breed (Large)

Male, 1 yr 1 mo
Salem, OR
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Good with cats, Spayed or Neutered,
Story
Ralph the Derp! Ralph is a huge friendly, enthusiastic, uncoordinated 4-legged energetic goofball! He was rescued from “death row” at a high kill shelter, as a skinny stray with a treatable skin condition. His fur has almost completely grown in & he is now at a healthy weight. This overgrown mastiff/Cane Corso mix pup has no comprehension of his size, leaning into humans for affection or trying to ooze onto laps for cuddles. He is being trained not to jump and not to paw for attention/affection/play because he currently has 85# of mass behind those “congenial” moves. Ralph plays well with dogs of all sizes, but would do best with med-to-larger dogs due to his size & poorly curbed gusto. He hordes toys, taking them all to his chosen dog bed of the day. He likes to carry a special toy “baby” in his mouth when going out in the yard. He does need to be fed in his crate & will guard his empty food bowl from other dogs, unless he is distracted with a toy & led outdoors after meals. He is great on a leash, makes awesome grunty sounds when cuddled, enjoys baths. Ralph will make a great addition to an active family with older children. He is eager to please, food and affection oriented (although a bit stubborn at times), making him an ideal candidate for success with continuation of his training. Please consider adopting the gorgeous big derp into your home. Attributes: In training to avoid jumping/pawing Active family Local adoption fee is $200(in TX) Out of state adoption fee is $450 (includes transport to your area)

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We'll also keep you updated on Finn AKA Gage JuM's adoption status with email updates.
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Finn AKA Gage JuM

Mastiff Shepherd (Unknown Type)

Male, 7 yrs
Salem, OR
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs, Spayed or Neutered,
Story
Finn may look like a rockstar with his striking Mastiff–Shepherd good looks, but at heart, he’s a big, soft lovebug. Weighing in at about 60 pounds, Finn has grown into a handsome boy with a beautiful gray and tan coat, soulful eyes, and an even bigger personality. Despite his star-quality appearance, Finn is more of a laid-back, easygoing guy—think Eeyore vibes, but with engines revved and ready to love. From the moment he wakes up, he’s prepared to shower his people with affection… and trust us, it’s A LOT of love! Finn does well with other dogs and does need a slow, proper introductions to new friends—both two-legged and four-legged. Once he knows you, he loves you deeply. He’s happiest when he has a buddy (human or canine) to share his world with. Affection is Finn’s specialty. When someone comes to greet him, he lights up, runs over with enthusiasm, and hands out slobbery kisses and big hugs like they’re backstage passes. His joy is genuine, his heart is huge, and he’s always thrilled to see his people. If you’re looking for a big, lovable, slightly goofy rockstar who will adore you endlessly, Finn is ready to take center stage in your heart. Local adoption only $200 (in TX)

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We'll also keep you updated on Luke AG's adoption status with email updates.
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Luke AG

Mastiff American Pit Bull Terrier

Male, 4 yrs 1 mo
Salem, OR
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Good with kids, Good with dogs, Not good with cats, Spayed or Neutered,
Story
Hi, I’m Luke, and I’m a big, lovable boy tipping the scales at just over 100 lbs! Don’t let my size fool you—I’m a happy, easygoing pup who just wants to play, explore, and cuddle. I’m all about the good things in life: squeaky toys, water play, long walks, and best of all—snuggle time on the couch. I’m a pro at giving hugs (though I’m working on not jumping up too hard to give them—oops!). I get along great with other dogs and kids, but because of my size and enthusiasm, I’d do best with older children who won’t get accidentally knocked over during playtime. I’m crate trained, housebroken, and walk nicely on a leash—unless there’s a squirrel… then it’s game on! I do have a slight prey drive, so a little guidance goes a long way. If you’re looking for a big-hearted, playful companion to fill your home with love (and maybe take up some space on your couch), I’m your guy. Let’s make forever happen! 🐾 Local adoption fee is $200(in TX) Out of state adoption fee is $450 (includes transport to your area)

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We'll also keep you updated on Mabel's adoption status with email updates.
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Mabel

Mastiff American Pit Bull Terrier

Female, Young
Sheridan, OR
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Not good with dogs, Needs special attention, Needs experienced adopter, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Mabel is a 3-year-old rescue dog that we adopted to give her a good life and a safe home. She is very loyal and loving with her people and has never shown aggression toward humans. She enjoys being around her family, relaxing, and spending time outside. Unfortunately, she has developed increasing issues with resource guarding around our other dog, which recently resulted in a serious fight and injury. Because we are expecting a baby soon, we feel it would be safest for her to be placed in a home where she can be the only dog and receive the attention and training she deserves. Mabel would likely do best with an experienced owner and in a home without other pets. She is affectionate, protective, and very devoted to her people. She also has allergies that require apoquel.

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We'll also keep you updated on Winston's adoption status with email updates.
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Winston

Mastiff

Male, Young
McMinnville, OR
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
House-trained, Spayed or Neutered, Shots are up-to-date,
Story
You can fill out an adoption application online on our official website.Winston Winston is new to rescue and prior to adoption, he will be neutered and his cherry eye fixed   We were told that he lived with another dog and some cats   He needs training, consistency, a routine, and a lot of attention Winston would like a stay at home person as he tends to get into things when not watched   He is to curious for his own good He is still under evaluation  No meet and greets will be done unless there is an application on file   Visit this organization's web site to see any additional information available about this pet.March 15, 2026, 8:56 pm

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We'll also keep you updated on Dusty's adoption status with email updates.
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Dusty

Mastiff

Male, Adult
McMinnville, OR
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Good with kids, Good with dogs, Not good with cats, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
You can fill out an adoption application online on our official website.Visit this organization's web site to see any additional information available about this pet.March 11, 2026, 12:11 am

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Mastiff puppies and dogs in nearby cities

Mastiff Puppies near me Mastiff in Albany, OR Mastiff in Corvallis, OR Mastiff in Dallas, OR Mastiff in Independence, OR Mastiff in Keizer, OR Mastiff in Lebanon, OR Mastiff in Lincoln City, OR Mastiff in McMinnville, OR Mastiff in Salem, OR Mastiff in Sheridan, OR Mastiff in Stayton, OR Mastiff in Woodburn, OR

Related breeds in Monmouth, Oregon

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Mastiff shelters & rescues in Monmouth, Oregon

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

Here are a few organizations closest to you:

Rescue

12.4 miles

God's Dogs Rescue of TX in OR Transport Stop

Salem, OR 97306

Pet Types: dogs

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Rescue

27.9 miles

Mastiff Rescue Oregon

McMinnville, OR 97128

Pet Types: dogs

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Rescue

48.1 miles

BAMM Rescue - Tigard, OR Foster

Tigard, OR 97224

Pet Types: dogs

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Looking for a specific shelter or rescue?

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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