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Mastiff puppies and dogs in Idaho

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

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Adopt a Mastiff in Idaho Search for a Mastiff puppy or dog Mastiff puppies and dogs in Idaho cities Mastiff shelters and rescues in Idaho Learn more about adopting a Mastiff puppy or dog

Adopt a Mastiff near you in Idaho

Below are our newest added Mastiffs available for adoption in Idaho. To see more adoptable Mastiffs in Idaho, use the search tool below to enter specific criteria!
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Glue

English Mastiff

Female, Puppy
Boise, ID
Size
(when grown) -
Details
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Story
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Isla

Mastiff

Female, 2 yrs
Hayden, ID
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Not good with kids, Good with dogs, Not good with cats, Needs experienced adopter, House-trained,
Story
To fill out an adoption application : https://forms.gle/dGz75whm2hFT2fej7 Isla, aka "LaLa" is a 2-Year-Old spayed female 180 lb. Purebred English Mastiff. She has had a bit of a rough beginning. She belonged to a person who kept her in a kennel run outside of his house for the first 1 1/2 years of her life. She had very little human interaction and didn't get to go anywhere. He sometimes brought her in the house at night, but most of her time was spent in this 20x20 kennel in his backyard. The neighbors being animal lovers, asked if they could start taking her out and taking her for walks in the park and for play dates in their yard with their Labrador. Which worked great for her for this last year. They taught her very good manners obedience and how to behave on a leash. Her owner became terminally ill, and signed her over to those neighbors. They only wanted one dog, so reached out to us to surrender her for proper rehoming. That being said, she's still extremely under socialized and has trouble meeting new people. She will take an experience, petient Mastiff person who's not afraid of her to give her the 2 or 3 days it takes for her to relax in a new environment. She's a HUGE baby and may act tough, but it's all bluff. Once she knows you, she loves you! And she is your typical leaner, love bug lap dog Mastiff. She is not good with farm fowl or cats or small dogs that resemble cats. She is fine with dogs that she can recognize as dogs. A slow supervised introduction is best which is completely normal. We really love this girl now that she's been with us a couple weeks, but sadly, farm life is not going to work for her and so we are seeking a knowledge Mastiff home. Fill out an application if you would like to be considered!!

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checkers

English Mastiff

Male, Young
Boise, ID
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
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Story
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Maura

Mastiff/American Pit Bull Terrier

Female, 3 mos
Idaho Falls, ID
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Meet Maura! 🐾💕 Birthday: 05/17/2026 Breed: Mastiff/Bully Mix Maura is a fun-loving, playful girl who absolutely loves attention! ❤️ She’s always ready for an adventure and enjoys playing with toys, splashing in the water, and having fun with her humane and dog friends. She is crate trained, mostly potty trained, and working on sit. Like any puppy, she’s still learning her manners and discovering the world around her. If you’re looking for a happy, playful puppy who will keep you smiling and loves to have fun, Maura could be your perfect match! 🐾

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Hope

Mastiff/American Pit Bull Terrier

Female, 3 mos
Idaho Falls, ID
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Meet Hope! 🐾💕 Birthday: 05/17/2026 Breed: Mastiff/Bully Mix Hope is a sweet, playful girl with a big personality! She’s determined, curious, and always ready for her next adventure. 🐶💦 She loves playing with toys, splashing in the water, and having fun with her humane and dog friends. Hope is crate trained, mostly potty trained and working on sit. She’s still a puppy, so she’s learning her manners and figuring out the world one day at a time. After she’s finished playing, Hope is more than happy to curl up in your lap for some serious snuggles. ❤️ If you’re looking for a fun-loving, adventurous puppy who also knows how to cuddle, Hope may be your perfect match! 💕

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Photo of Janie

Janie

Mastiff/American Pit Bull Terrier

Female, 3 mos
Idaho Falls, ID
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
Meet Janie! 🐾💕 Birthday: 05/17/2026 Breed: Mastiff/Bully Mix Janie is a sweet, playful girl who absolutely loves attention! ❤️ She’s happiest when she’s playing with her favorite toys, splashing in the water, or romping around with her humane and dog friends. She is crate trained, mostly potty trained and working on sit. Like any puppy, she’s still learning her manners and figuring out the world. When playtime is over, Janie loves nothing more than curling up for some cuddles and snuggles. 🥰 If you’re looking for a loving, playful puppy who wants to be your best friend, Janie could be the one for you! 💕

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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 Idaho.

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Mastiff puppies and dogs in Idaho cities

Mastiff Puppies near me Mastiff in Ammon Mastiff in Blackfoot Mastiff in Boise Mastiff in Burley Mastiff in Caldwell Mastiff in Chubbuck Mastiff in Coeur D Alene Mastiff in Eagle Mastiff in Emmett Mastiff in Fruitland Mastiff in Garden City Mastiff in Hailey Mastiff in Hayden Mastiff in Idaho Falls Mastiff in Jerome Mastiff in Kuna Mastiff in Lewiston Mastiff in Meridian Mastiff in Middleton Mastiff in Moscow Mastiff in Mountain Home Mastiff in Nampa Mastiff in Payette Mastiff in Pocatello Mastiff in Post Falls Mastiff in Preston Mastiff in Rathdrum Mastiff in Rexburg Mastiff in Rupert Mastiff in Sandpoint Mastiff in Star Mastiff in Twin Falls Mastiff in Weiser

Mastiff shelters & rescues in Idaho

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

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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 information

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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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