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Mastiff puppies and dogs in Weldon Spring, Missouri

Looking for a Mastiff puppy or dog in Weldon Spring, Missouri? Adopt a Pet can help you find an adorable Mastiff near you.

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Adopt a Mastiff near you in Weldon Spring, Missouri

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 Weldon Spring, Missouri

These Mastiffs are available for adoption close to Weldon Spring, Missouri.
We'll also keep you updated on DAPHNE's adoption status with email updates.
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DAPHNE

Mastiff

Female, 4 yrs 1 mo
St. Peters, MO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Meet Daphne At 4 years old and 106 pounds of pure gentleness, Daphne is a stunning Mastiff-type girl ready to begin a brand-new chapter. She was found by a kind Samaritan who took her in for a few days and quickly realized just how sweet and affectionate this big girl truly is.It’s clear Daphne hasn’t always known the comforts of a loving home—she was likely used for breeding—and she’s still working on gaining a little weight and rebuilding her strength. Even so, her heart is enormous. Every soft tail wag, gentle lean, and affectionate cuddle shows just how much she wants to connect with her people.Daphne is a low- to medium-energy dog who enjoys a relaxed lifestyle. She loves human attention and would be happiest spending her days lounging nearby, going on daily walks, and enjoying both physical and mental enrichment to keep her content and prevent boredom.She is food-motivated, takes treats politely, and already knows the cue “sit.” Daphne thrives with positive-reinforcement training, which helps strengthen her bond with her person and build positive associations as she settles into home life.Daphne previously lived with other dogs and did well, though she prefers calm, slow introductions. Dogs closer to her own size are recommended, and she would do best in a home without small animals.Due to her size and strength, Daphne is looking for a home with older children and an adopter who has experience with Mastiff or large-breed dogs. In return, she offers unwavering loyalty, affection, and the kind of quiet companionship only a gentle giant can give.Daphne has waited long enough—she’s ready to finally be someone’s family.
We'll also keep you updated on PIPER's adoption status with email updates.
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PIPER

Mastiff

Female, 11 yrs 1 mo
St. Peters, MO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Meet Piper Piper is a 11-year-old Mastiff who was heartbreakingly dumped by her owners, despite clearly being a dog who once knew love. She’s gentle, sensitive, and incredibly people-focused — the kind of dog who leans her whole weight into you just to feel close.Piper has handled every bit of shelter life with grace. She greets staff with soft eyes and a low, hopeful tail wag, and she passed every part of her sociability, handling, food, and toy testing with Grade A behavior. She doesn’t guard, she doesn’t push, and she’s far more interested in her humans than any toy we offer.When it comes to other dogs, Piper would prefer a calm, respectful dog who matches her slower pace, but she would also be perfectly happy as the only dog in the home.Piper has a medium energy level for a senior mastiff — she enjoys daily walks, enrichment, and time outside, but she’s equally content lounging next to someone she trusts. She communicates beautifully, responds gently to handling, and is overall a truly easy companion.After being abandoned and let down, Piper deserves a quiet, stable home where she can exhale and finally feel safe again. If you’re looking for a calm, loving senior who just wants to be someone’s whole world, Piper is ready to go home.
We'll also keep you updated on Wendell's adoption status with email updates.
Photo of Wendell

Wendell

Mastiff Mixed Breed (Large)

Male, 6 yrs 3 mos
St. Louis, MO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs, Spayed or Neutered,
Story
Meet Wendell! 💛 Wendell is a 6-year-old Mastiff mix with a heart as big as his 75-pound frame! This gentle giant was taken in as a stray at just 7 months old and has spent the last several years living peacefully in a home with 15 other dogs of all ages and sizes. He’s truly a pack-friendly boy who gets along with everyone. Unfortunately, his owner had to downsize her dog family, so Wendell came to us. From the moment we met him, it was clear—this boy is pure love! 🥰 He’s chill, affectionate, housebroken, and oh-so-sweet. Wendell absolutely aced his temperament test and showed us just how easygoing and wonderful he is. If you’re looking for a loyal, laid-back companion who will fit right in with your family, Wendell is your guy! This handsome hunk of love is ready to give his heart to a forever home. 🐾 Housebroken 🐾 Dog-friendly with all shapes and sizes 🐾 Big, gentle, and so loving 🐾 Perfect family dog
We'll also keep you updated on Luke AG's adoption status with email updates.
Photo of Luke AG

Luke AG

Mastiff American Pit Bull Terrier

Male, 3 yrs 10 mos
St Louis, MO
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)
We'll also keep you updated on SADIE's adoption status with email updates.
Photo of SADIE

SADIE

Mastiff

Female, 1 yr 1 mo
Maryland Heights, MO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Hi, I`m Sadie! So, how did I end up here? Well, I once thought I could outsmart a squirrel by mimicking its moves. Long story short, I ended up chasing it right into a fancy garden party, causing a hilarious mess of toppled cakes and tangled ribbons. Next thing I knew, I was here, making everyone laugh with my goofy antics. I`m smart, playful, and full of energy, ready to bring joy and laughter to my new forever home. Why adopt me? Because every day with me is a delightful adventure filled with fun and games! I am looking for a forever family or a family to love me until my forever family finds me. If you decide to fall head over heels in love and cannot part with me that is okay, too! Please call 314-951-1588 for more information!
We'll also keep you updated on Sage's adoption status with email updates.
Photo of Sage

Sage

Mastiff

Female, Adult
Saint Louis, MO
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
Hi! Sage is what I believe is an iltalian mastiff mix of some sort. Her exact breed is unknown. Her birthday is 2/24/23. She has never resided in a shelter. She was fostered for 2 months through the Stray Reacue, then adopted by me. I am looking to rehome her solely because she is a very social dog who thrives in a home with multiple humans/dogs. Given my sudden life change, I am no longer able to provide that for her. I have noticed her a bit less happy in a home with just myself and her. Please reach out with any additional questions/concerns!

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Related breeds in Weldon Spring, Missouri

Mastiff shelters & rescues in Weldon Spring, Missouri

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

Here are a few organizations closest to you:

Shelter

3.2 miles

St Charles County Humane Services

4850 Mid Rivers Mall Dr, St. Peters, MO 63376

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

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Rescue

4.7 miles

Charming Pet Rescue - MO Transport Stop

St. Louis, MO 63303

Pet Types: dogs

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Shelter

9.2 miles

Humane Society of Missouri - Maryland Heights

11660 Administration Dr., (Page Ave. and Schuetz Road), Maryland Heights, MO 63146

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

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Rescue

9.2 miles

Gods Dogs Rescue of TX for St Louis Transport Stop

St Louis, MO 63146

Pet Types: dogs

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Rescue

19.7 miles

Is Today My Day Rescue

St. Louis, MO 63139

Pet Types: dogs

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Shelter

23.1 miles

CARE STL

2700 Walnut Place, St. Louis, MO 63103

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

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Rescue

23.4 miles

Nala and Friends Dog Rescue - ST. LOUIS transport

St. Louis, MO 63118

Pet Types: dogs

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Shelter

27.8 miles

Gateway Pet Guardians

725 N 15th St, East ST Louis, IL 62205

Pet Types: cats, dogs

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Shelter

36 miles

Belleville Area Humane Society

1301 S. 11th St., Belleville, IL 62223

Pet Types: cats, dogs

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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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