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Mastiff puppies and dogs in Lakewood, Colorado

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

Adopt a Mastiff near you in Lakewood, Colorado

These Mastiffs are available in Lakewood, Colorado.
We'll also keep you updated on Luna's adoption status with email updates.
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Luna

Mastiff Rottweiler

Female, Adult
Golden, CO
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered,
Story
Luna is a big dog who loves the snow! She will enjoy a gentle transition where she can take life one step at a time and not be expected to be a social butterfly right off the bat. If considered for a multi-dog household, we will require a meet at the shelter prior to departure, and at this time, she will only be rehomed to a family without children or with kids at least 10 years of age. Primary Color: Fawn Weight: 95.04 Age: 5yrs 0mths 2wks

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

Maggie

Mastiff American Bulldog

Female, Adult
Golden, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
If you've been searching for a dog who will make you smile every single day, say hello to Maggie! This bright-eyed, tail-wagging sweetheart is the perfect mix of playful energy and loving companionship.Maggie is an active, joyful, and endlessly curious pup who's always ready for fun. Whether it's a game of fetch, playing with other dogs, or exploring a new trail, she's happiest when she's moving and sharing life's adventures with her favorite humans. Primary Color: White Secondary Color: Black Weight: 71.6 Age: 4yrs 3mths 0wks

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Or, how about these Mastiffs in cities near Lakewood, Colorado

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

Effie

Mastiff

Female, Young
Denver, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Good with cats, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Meet Effie, 1 year and 2 month old Mastiff mix who has a healthy appreciation for both naps and play time! She is a bit timid at first, but warms up very quickly. Effie is still young, so she is fairly quick to train and to learn new things. Effie is an amazing, kind dog - She is good with cats, dogs, and kids. After adopting Effie from the Humane Society, we discovered our senior cat was having an allergic reaction to her that worsened his pre-existing medical condition. For the sake of our cat’s health, we have made the difficult decision to find a new home for Effie. Effie thrives in a home with someone who can snuggle, play, and spend quality time with her.

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We'll also keep you updated on Sabrina's adoption status with email updates.
Special Needs
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Sabrina

Mastiff American Bulldog

Female, 7 yrs 3 mos
Boulder, CO
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Needs special attention, Needs experienced adopter, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Meet Sabrina, a gentle 6-year-old Mastiff mix who’s in need of a special forever home. Sabrina is living with mast cell tumors (MCT) due to cancer and is currently on medication to keep her as comfortable as possible. She requires a loving home that is prepared to offer her hospice care and a peaceful environment. Sabrina can be shy with new people and may give a warning growl or snap if approached when she’s not ready. However, once she builds trust, she becomes deeply affectionate and very attached to her people. She gets along well with mellow dogs and will thrive in a calm household where she can feel safe and loved. If you have a compassionate heart and are ready to provide a supportive and caring home for a special dog like Sabrina, you’ll find a loyal and loving companion in her.

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

Luna

Mastiff Rottweiler

Female, Adult
Golden, CO
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered,
Story
Luna is a big dog who loves the snow! She will enjoy a gentle transition where she can take life one step at a time and not be expected to be a social butterfly right off the bat. If considered for a multi-dog household, we will require a meet at the shelter prior to departure, and at this time, she will only be rehomed to a family without children or with kids at least 10 years of age. Primary Color: Fawn Weight: 95.04 Age: 5yrs 0mths 2wks

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

Maggie

Mastiff American Bulldog

Female, Adult
Golden, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
If you've been searching for a dog who will make you smile every single day, say hello to Maggie! This bright-eyed, tail-wagging sweetheart is the perfect mix of playful energy and loving companionship.Maggie is an active, joyful, and endlessly curious pup who's always ready for fun. Whether it's a game of fetch, playing with other dogs, or exploring a new trail, she's happiest when she's moving and sharing life's adventures with her favorite humans. Primary Color: White Secondary Color: Black Weight: 71.6 Age: 4yrs 3mths 0wks

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

DOLLY

Mastiff

Female, Young
Denver, CO
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Dolly is an active, fun-loving girl who adores playing fetch and showing off her goofy personality. She already knows how to sit and has lived well with other dogs, making her a playful and charming companion for a household full of funDecember 16, 2025, 3:24 pm

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

Stimpy

Mastiff Catahoula Leopard Dog

Female 6 mos
Littleton, CO
Size
(when grown) -
Details
Spayed or Neutered, Shots are up-to-date,
Story
Meet Stimpy, the perfect family dog Stimpy is a 6-month-old Mastiff/Catahoula Leopard Dog mix with the softest heart and sweetest soul. He’s truly not a fearful pup — while he was a bit hesitant about leaving the house or getting into the car at first, he now walks right out and hops in with no problem. He’s been enjoying off-leash trails, meeting other dogs and people, and he’s friendly with everyone. He loves social time and is clearly comfortable exploring new environments. At home, his playful personality really shines — including his signature move: a full-send “Superman jump” off the couch that never fails to make his people laugh (even if we never quite catch it on camera!). Stimpy is gentle and especially tender with kids, melting into cuddles the moment he feels safe. Overall, he’s a sweet, loving, and friendly pup who is still learning appropriate play manners. He’s hopeful, curious, and ready to bring joy, laughter, and cuddles to his forever family If you’re looking for a loving, gentle, big-dog puppy with a heart of gold, Stimpy is your guy. Apply online at www.lolasrescue.com/available-animals please note if you utilize an Iphone there are two scroll bars on the side of the screen to scroll down through available animals.   You can email Info@lolasrescue.com anytime with questions pertaining to animals in our care.  ##2593147##

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

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Mastiff puppies and dogs in nearby cities

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Related breeds in Lakewood, Colorado

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Mastiff shelters & rescues in Lakewood, Colorado

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

Here are a few organizations closest to you:

Rescue

4.3 miles

Ace of Hearts Dog Rescue - CO Transport Stop

711 Walnut St, Boulder, CO 80203

Pet Types: dogs

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Shelter

9.3 miles

Foothills Animal Shelter

580 McIntyre St., Golden, CO 80401

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

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Shelter

10.4 miles

Humane Colorado

2080 S Quebec St, Denver, CO 80231

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

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Rescue

11.3 miles

L.O.L.A.'S Rescue

6005 S. Taft Way, Littleton, CO 80127

Pet Types: dogs

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Rescue

16.1 miles

Big Dogs Huge Paws, Inc

PO Box 460699, Aurora, CO 80046

Pet Types: dogs

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Shelter

48.7 miles

Grand County Animal Shelter

3475 CR 57, Granby, CO 80446

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

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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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