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Mastiff puppies and dogs in Longmont, Colorado

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

Adopt a Mastiff near you in Longmont, Colorado

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 Longmont, Colorado

These Mastiffs are available for adoption close to Longmont, Colorado.
We'll also keep you updated on Stewie's adoption status with email updates.
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Stewie

Mastiff

Male, Adult
Boulder, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Not good with cats, House-trained, Spayed or Neutered,
Story
Meet Stewie, a lovable 4-year-old Mastiff mix looking for his forever home! Weighing in at 100 pounds, Stewie is a gentle giant whose biggest desires are cuddles and food. His past has left him a little overzealous when it comes to treats, so homes with small children might not be the best fit for him. Stewie is incredibly loyal and sweet, always ready to protect and love his family. He gets along well with other dogs, but due to his size and energetic play style, smaller dogs might not be the best playmates for him. Unfortunately, Stewie is not suited for homes with cats. This big-hearted boy had a rough start in life, having been starved before coming to his current foster home. Despite this, he’s shown an unwavering capacity for love and loyalty. Stewie is waiting for a family that can give him the care, attention, and endless cuddles he deserves. Please consider giving Stewie a chance to be your loyal companion! If interested please go to our website and fill out an application. You can find our application under the adoptable dogs icon. Thank you for choosing Ozzie and Friends Rescue. We can’t wait to connect you with your new fur-ever friend.  https://www.ozzieandfriendsrescue.org/   Ozzie and Friends Rescue makes arrangements for all dogs adopted to be transported all across the Western United States, Canada and Midwest.   October 24, 2024, 9:53 am

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

Mastiff Mixed Breed (Medium)

Male, Young
Boulder, CO
Size
(when grown) Med. 26-60 lbs (12-27 kg)
Details
Spayed or Neutered,
Story
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We'll also keep you updated on Riley's adoption status with email updates.
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Riley

Mastiff

Female, 2 yrs 1 mo
Windsor, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs, Spayed or Neutered,
Story
Riley, a gentle 3 yr old Mastiff/Husky mix, has overcome more than her fair share of challenges. She's embarked on a journey of healing and hope after a difficult past of neglect and abuse. Despite it all, Riley's spirit remains unbroken, and she's ready to discover the warmth and love of a true forever home. This sweet girl is learning the joys of being part of a family, slowly realizing that not all humans are scary. With patience and kindness, Riley is blossoming into a loving and affectionate companion who adores being close to her person. Whether it's snuggling up for a cozy cuddle session or playing with her favorite toys, Riley finds comfort and happiness in simple moments of joy. Riley is strongly bonded to Max, her dad. He is a beautiful English Mastiff. They would do best staying together. They were rescued together, and share a special bond. The presence of Riley brings Max an extra level of comfort and security, making them an ideal pair for anyone looking to open their hearts to not just one, but two deserving souls. If you're ready to give Riley the love and care she has been longing for, please reach out. Together, we can write the next chapter of her story—one filled with love, trust, and the happiness they so truly deserve.

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We'll also keep you updated on Max's adoption status with email updates.
Photo of Max

Max

Mastiff

Male, 3 yrs 5 mos
Windsor, CO
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered,
Story
Max, a 3-year-old English Mastiff, is a BIG boy, at 128 lbs, and the epitome of a gentle giant. This big softie loves nothing more than leaning in for a cuddle session, offering warmth and companionship. Though his past may have been rough – filled with abuse and neglect – he is an amazing and sweet dog. He is good with some dogs, house trained and just wants a comfy couch and family to love him! Riley, is Max’s daughter, they were rescued together, and share a special bond. The presence of Riley brings him an extra level of comfort and security, making them an ideal pair for anyone looking to open their hearts to not just one, but two deserving souls. If you're ready to give Riley and Max the love and care they have been longing for, please reach out. Together, we can write the next chapter of their story—one filled with love, trust, and the happiness they so truly deserve.

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

Mastiff

Male, 2 yrs 6 mos
Windsor, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs, Spayed or Neutered,
Story
Cooper is guessed to be a 2.5 yr old Mastiff mix around 75 lbs. He is quite the handsome young man with a wonderful personality. He is good with dogs and ready for a family to go on adventures with! Apply for Cooper and come meet him at our Wellington location!

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We'll also keep you updated on Cobalt's adoption status with email updates.
Photo of Cobalt

Cobalt

Mastiff

Female, 1 mo
Windsor, CO
Size
(when grown) Med. 26-60 lbs (12-27 kg)
Details
-
Story
-

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Search for a Mastiff puppy or dog

Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in Longmont, Colorado.

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Mastiff puppies and dogs in nearby cities

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Related breeds in Longmont, Colorado

Bullmastiffs in Longmont, Colorado Neapolitan Mastiffs in Longmont, Colorado Saint Bernards in Longmont, Colorado

Mastiff shelters & rescues in Longmont, Colorado

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

Here are a few organizations closest to you:

Shelter

15.3 miles

Humane Society of Boulder Valley

2323 55th Street, Boulder, CO 80301

Pet Types: cats, dogs, small animals

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Rescue

15.3 miles

Ozzie and Friends Rescue CO

Boulder, CO 80301

Pet Types: dogs

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Rescue

22.4 miles

Big Bones Canine Rescue

Windsor, CO 80550

Pet Types: dogs

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Rescue

27.7 miles

All Aboard Animal Rescue

Fort Collins, CO 80526

Pet Types: cats, dogs

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Rescue

29.6 miles

Ace of Hearts - CO Transport Stop

711 Walnut St, Boulder, CO 80203

Pet Types: dogs

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Shelter

30.4 miles

Aurora Animal Shelter

15750 E. 32nd Ave., Aurora, CO 80011

Pet Types: cats, dogs, rabbits

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Shelter

33.9 miles

Foothills Animal Shelter

580 McIntyre St., Golden, CO 80401

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

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Rescue

35.3 miles

Moms and Mutts Colorado Rescue for Pregnant & Nursing Dogs

2721 W Oxford Ave, Suite 7, Sheridan, CO 80110

Pet Types: dogs

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Rescue

40.2 miles

L.O.L.A.'S Rescue

6005 S. Taft Way, Littleton, CO 80127

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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