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Mastiff puppies and dogs in Windsor, Colorado

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

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Adopt a Mastiff near you in Windsor, 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 Windsor, Colorado

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

Ombre

Mastiff Boxer

Male, 3 yrs 3 mos
Fort Collins, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
This pups adoption fee has been partially sponsored by All Aboard or an All Aboard partner! The new adoption fee is reflected on the profile. IMPORTANT NOTE REGARDING THIS DOG: Ombre can be easily startled by new people and things. He is occasionally slower to meeting new people, especially men, and other dogs. Ombre has the potential to get overwhelmed easily and can resource guard. Ombre needs an adopter who is patient and willing to continue his training. Ombre is big guy with a lot of love to give! He came to us with a few quirks that his foster has been helping him work through and he is constantly making progress! He does need an experienced adopter who will be dedicated to continued positive reinforcement training and ongoing socialization. He has come a long way since his arrival in January 2023 and needs the perfect partner in crime to help him continue making progress! Ombre can be a bit skittish with new sounds or unexpected movements and can resource guard at times. He is occasionally slow to warm up to new men and other dogs, but not consistently! He can get overwhelmed in new high-activity environments, so continued socialization is a must. Ombre is very loving and curious, and acts like he is his foster's shadow. This loving boy is a classic case of a dog who is worth the effort! With the right, experienced adopter who is committed to setting him up for success through continued training and socialization, Ombre will absolutely blossom into his adopter's most dedicated friend! He is house and kennel trained. Playgroup - https://youtube.com/shorts/Brmr_wwiRKs ADOPTION FEE: $75 We are a foster-based rescue and do not generally have pups available to meet at our office except during adoption events on Saturdays. Interested in this pup? The first step is to complete our online application by clicking the "Apply for Adoption" button. Please note that we are only able to finalize adoptions at events for approved adopters. The earlier you apply, the better as it takes time to review and approve applications. We host adoption events almost every Saturday from 10:00am to 1:00pm at our rescue office (1721 W Harmony, unit 102, Fort Collins, Co 80526)! Check our Instagram and/or Facebook page for info on where we will be hosting adoptions this weekend! All Aboard Animal Rescue saves dogs and puppies from high-kill shelters in other states. These pups are brought to Colorado, where they are required to be spayed or neutered - breaking the cycle of unwanted litters of puppies who end up as strays! Please consider supporting us in this mission by adopting, fostering, volunteering, or donating.
We'll also keep you updated on Barkley's adoption status with email updates.
Photo of Barkley

Barkley

Mastiff

Male
Fort Collins, CO
Size
(when grown) -
Details
Good with kids, Good with dogs, House-trained, Spayed or Neutered,
Story
Barkely is a 4 1/2 yr  Pittie/Mastiff/Heeler mix & a very handsome good boy.  He heartily eats his food and treats. He enjoys a variety of veggies, fruit, yogurt, canned food, bone broth as toppers or in a West Paw Topple cup, and a good bone to chew. He also likes a dab of peanut butter before bed.  He's a goober!! He is like a train when it's time to go outside to play. He thinks it's a race to get to his favorite ball. He lives for fetch!! Return? Well, he returns and drops the ball a few feet away. He's still slowly working on return and give/release.  He is good on harness/lead to walk. He is a big boy, & is strong.  He is a "Velcro" dog. He wants to be near his human & is willing to scale a fence to get to you. Therefore- Barkley requires a 6 ft or higher fence. He can not be left unattended outside until you're positive he can not/will not clear the fence. Barkley needs a stable home life. Love, attention, training, and play are highly encouraged, and another dog is highly encouraged to continue dog behavior/play/training. He is kennel-trained, & potty-trained.  Please schedule your meet & greet today! March 12, 2025, 3:36 pm

These pups are in Windsor, Colorado too!

Below are our newest added Mastiffs available for adoption in Windsor, Colorado. To see more adoptable Mastiffs in Windsor, Colorado, use the search tool below to enter specific criteria!
We'll also keep you updated on Cowboy's adoption status with email updates.
Photo of Cowboy

Cowboy

St. Bernard

Male, 2 yrs
Windsor, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Cowboy is....well, we are guessing Saint Bernard and Australian Shepherd. What we are sure of is that this 2 year old boy is goofy and happy. Cowboy came to us from Oklahoma where he was rescued from a local shelter. He seems to have been an outside dog much of his life, so he would love a family that can help him transition into living inside a home and teach him all the wonderful things of being a house and home dog! This handsome boy loves to romp and play and will make a wonderful addition to your outdoor lifestyle family. Apply for Cowboy and come meet him at our Wellington location!

Search for a Mastiff puppy or dog

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

Mastiff puppies and dogs in nearby cities

Related breeds in Windsor, Colorado

Mastiff shelters & rescues in Windsor, Colorado

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

Here are a few organizations closest to you:

Rescue

12.1 miles

All Aboard Animal Rescue

Fort Collins, CO 80526

Pet Types: cats, dogs

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Rescue

13.4 miles

Until They're Home

Fort Collins, CO 80524

Pet Types: cats, dogs, rabbits, small animals

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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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