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Bullmastiff puppies and dogs in Lake Forest, California

Looking for a Bullmastiff puppy or dog in Lake Forest, California? Adopt a Pet can help you find an adorable Bullmastiff near you.

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Adopt a Bullmastiff near you Bullmastiff in cities near Lake Forest, California Other pups in Lake Forest, California Search for a Bullmastiff puppy or dog near you Browse Bullmastiff puppies and dogs in nearby cities Browse related breeds in Lake Forest, California Bullmastiff shelters and rescues in Lake Forest, California Learn more about adopting a Bullmastiff puppy or dog

Adopt a Bullmastiff near you in Lake Forest, California

We don't see any Bullmastiffs available for adoption right now, but new adoptable pets are added every day. Try a different search below!

Or, how about these Bullmastiffs in cities near Lake Forest, California

These Bullmastiffs are available for adoption close to Lake Forest, California.
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ROCKY

Bullmastiff

Male, 5 yrs 11 mos
Huntington Beach, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
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Story
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KODA BEAR

Bullmastiff American Bulldog

Male, 2 yrs
Downey, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Hello! My name is Koda Bear! I am a 2-year-old mastiff mix, not yet neutered (but will be once adopted), I am fully vaccinated, and microchipped! Unfortunately, my family does not have time for me and is looking for a better home for me. I get along great with families especially children and love to be around people! I am very calm around other doggies and I am good on leash. I also enjoy cuddling! So if you are looking for a cuddle buddy, I'm your guy!!! My family says I'm very food motivated and therefor a fast learner! Hope to meet you soon! please consider adopting me!!! Please contact my rescue here: 562-328-5276 (Text or call)

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Photo of Cheyenne

Cheyenne

Bullmastiff American Bulldog

Female, Adult
San Bernardino, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Spayed or Neutered, Shots are up-to-date,
Story
I have 2 dogs im trying to rehome Cheyenne she is the female and Man child lol hes the male they are litter mates mastiff and American bulldog they are 3 years old beautiful dog's they are vaccinated the female is spayed and is the male is not fix but i can fix him if needed the male is 60 lbs andthe female is 80 lbsgood with other dogs I dont know about catsgood with kids well tempered I like is san Bernardino by cal state San Bernardino college close to devor area I need to rehome ASAP!! they are very playful and loving love to be petted they are outside dogs not house broken no medical condition they can be walked on a leash but with a harness no color I GG ot the dogs from a breeder they have no right history I believe the best home would be family home or gard dog outside i can foster till rehomed but on a time line to leave to north Carolina so ASAP im attaching picture and a small video on the next email was too big to do all in one email

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Photo of Ginger

Ginger

Mastiff Bullmastiff

Female, Adult
Norwalk, CA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Not good with dogs, Not good with cats, Needs experienced adopter, House-trained,
Story
Hello this is Ginger she is about 7yrs old. She is very cuddly and sweet. She likes to be the only Dog however. She is a typical mastiff temperament . We love her so much but unfortunately she needs more then we can give her right now. Single dog home best. With a little of knowledge to bold personalities of mastiffs

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Photo of Man child lol

Man child lol

American Bulldog Bullmastiff

Male, Adult
San Bernardino, CA
Size
(when grown) Med. 26-60 lbs (12-27 kg)
Details
Good with kids, Good with dogs, Shots are up-to-date,
Story
I have 2 dogs im trying to rehome Cheyenne she is the female and Man child lol hes the male they are litter mates mastiff and American bulldog they are 3 years old beautiful dog's they are vaccinated the female is spayed and is the male is not fix but i can fix him if needed the male is 60 lbs andthe female is 80 lbsgood with other dogs I dont know about catsgood with kids well tempered I like is san Bernardino by cal state San Bernardino college close to devor area I need to rehome ASAP!! they are very playful and loving love to be petted they are outside dogs not house broken no medical condition they can be walked on a leash but with a harness no color I GG ot the dogs from a breeder they have no right history I believe the best home would be family home or gard dog outside i can foster till rehomed but on a time line to leave to north Carolina so ASAP im attaching picture and a small video on the next email was too big to do all in one email

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These pups are in Lake Forest, California too!

Below are our newest added Bullmastiffs available for adoption in Lake Forest, California. To see more adoptable Bullmastiffs in Lake Forest, California, use the search tool below to enter specific criteria!
Photo of Moose (Courtesy Post) - Adopt Me!

Moose (Courtesy Post) - Adopt Me!

Mastiff

Male, Adult
Lake Forest, CA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Good with dogs, House-trained, Spayed or Neutered,
Story
This handsome big guy is Moose, a sweet 2-year-old pup tipping the scales at 97 lbs of love! Moose has had lots of training under his belt and is fully crate trained, walks beautifully on leash, and is great with other dogs.Moose is neutered, up-to-date on vaccines, and ready to find his forever home. While he’s made great progress, Moose is still a bit timid and sensitive, so he’s looking for a calmer household where he can continue to blossom at his own pace. Because of his gentle, shy nature, he’d do best in a home with older kids who understand how to give him space when he needs it.Moose would love a family who can provide a quiet, structured environment where he can feel safe, loved, and part of the pack. If you’re looking for a loyal, kind-hearted companion with a big heart (and paws to match!), Moose may be the one for you! Located in Los Angeles, CAMarch 7, 2026, 3:29 pm

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Photo of Dudley-Special Needs - Adopt Me!

Dudley-Special Needs - Adopt Me!

Mastiff Labrador Retriever

Male, Adult
Lake Forest, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs, Good with cats, House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Meet Dudley! This one-of-a-kind goofball has a huge heart and an even bigger personality. At 3 years old and 70 pounds, Dudley has the body of a Lab, oversized Mastiff features, and an adorable little tongue that's almost always hanging out.Born deaf and blind, Dudley experiences the world through gentle touch cues and his incredible sense of smell. Once he learns his surroundings, he's confident, friendly, and calm.Dudley is potty trained, enjoys walks, playtime, enrichment activities, and rides great in the car. He loves meeting new people and dogs, greeting everyone with infectious joy. Affectionate, gentle, and easygoing, he's a wonderful companion.Currently thriving in a foster home with kids and other pets, Dudley continues to prove that being deaf and blind doesn't stop him from living a full, happy life. He's resilient, adaptable, and truly a must-meet dog.Follow Dudley's journey on Instagram: @dudleyfindsahome.July 14, 2026, 9:36 pm

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Search for a Bullmastiff puppy or dog

Use the search tool below to browse adoptable Bullmastiff puppies and adults Bullmastiff in Lake Forest, California.

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Bullmastiff puppies and dogs in nearby cities

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Related breeds in Lake Forest, California

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Bullmastiff shelters & rescues in Lake Forest, California

There are animal shelters and rescues that focus specifically on finding great homes for Bullmastiff puppies in Lake Forest, California. Browse these Bullmastiff rescues and shelters below.

Here are a few organizations closest to you:

Shelter

21.9 miles

Orange County Humane Society

21632 Newland St, (Open during Newland St. Construction), Huntington Beach, CA 92646

Pet Types: cats, dogs

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Rescue

36.6 miles

Karina's Rescues

P.O. Box 39846, Downey, CA 90239

Pet Types: cats, dogs, rabbits, 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 Bullmastiff puppy or dog?

We've got all the info you need on adopting and caring for a Bullmastiff puppy. Check out the links below for everything you ever wanted to know about Bullmastiff puppies and adults.

Bullmastiff basics

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Where do Bullmastiffs come from? How many types of Bullmastiffs are there? From the history of the breed to question about average height, weight and size, brush up on these basic facts about the Bullmastiff.

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