Mastiff Adoption in Union, MO: Mastiff Puppies for Sale in Union, MO

Adopt a Mastiff near you in Union, 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 Union, Missouri

These Mastiffs are available for adoption close to Union, Missouri.

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 110 pounds of pure gentleness, Daphne is a gorgeous Mastiff who’s ready to start a brand-new chapter of her life. She was found by a kind Samaritan who took her in for a few days and quickly discovered just how sweet this big girl really is.It’s clear Daphne hasn’t always known love—she was likely used for breeding—and when you see her, you can tell she still needs to gain a little weight and build her strength back up. But what she lacks in pounds, she makes up for in heart. Every tail wag and lean-in cuddle shows just how much she wants to connect and be loved.Daphne is calm, affectionate, and loves attention from people. She’s the type of dog who will happily spend her day relaxing by your side, soaking up belly rubs and quiet companionship.Because of her size and her gentle-but-strong presence, Daphne would do best in a home with older kids and someone familiar with large or Mastiff-type breeds. She’s low- to medium-energy but will benefit from daily walks, enrichment toys, and positive reinforcement training to help her stay happy and engaged.Daphne did well living with other dogs in her finder’s home, though she preferred to have her person’s attention to herself—so she may do best as the only dog or with slow, structured introductions.She’s food-motivated, takes treats with a soft mouth, and already knows how to “sit.” Most importantly, she’s ready to be loved and treated like family—something she’s been waiting her whole life for.

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Wendell

Mastiff Mixed Breed (Large)

Male, 6 yrs 2 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

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BONES

Mastiff

Male, 2 yrs 1 mo

Maryland Heights, MO

Size

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

Details

Spayed or Neutered,

Story

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Luke AG

Mastiff American Pit Bull Terrier

Male, 3 yrs 9 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)

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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!

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WALTER

Mastiff

Male, 7 yrs 1 mo

St. Louis, MO

Size

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

Details

Spayed or Neutered,

Story

Walter is looking for a home where he can continue to thrive and share his infectious happiness. If you`re ready for a loyal and affectionate companion, Walter is eager to meet you!

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Mastiff puppies and dogs in Union, Missouri

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Mastiff puppies and dogs in Union, Missouri

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Adopt a Mastiff near you in Union, 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 Union, Missouri

These Mastiffs are available for adoption close to Union, Missouri.

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in nearby cities

Related breeds in Union, Missouri

Mastiff shelters & rescues in Union, Missouri

Looking for a specific shelter or rescue?

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

Mastiff basics

Mastiff basics