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Mastiff puppies and dogs in Pleasanton, California

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

Adopt a Mastiff near you in Pleasanton, California

These Mastiffs are available in Pleasanton, California.
We'll also keep you updated on She-Ra - ECAS's adoption status with email updates.
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She-Ra - ECAS

Mastiff Mixed Breed (Medium)

Female 5 yrs
Pleasanton, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
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Story
She-Ra was brought to our shelter on 11/17/25 after being found in unincorporated Livermore. She hasn't been reclaimed by her previous person, so she's now looking for a new home! Her adoption fee is $35, plus licensing (if applicable), plus the cost of her spay surgery. She-Ra’s Shelter ID# is 88279. She is an approximately 5-year-old, black, Mastiff mix. She currently weighs around 93 lbs. She has already been vaccinated and will be spayed and microchipped before going to her new home. She-Ra is located in kennel C-2. ** Age shown is an estimate only ** THIS IS A COURTESY POSTING If you are interested, please call the East County Animal Shelter at 925-803-7040 to see if this dog is still available.

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

Mastiff Mixed Breed (Large)

Male, 1 yr 9 mos
Pleasanton, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
-

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We'll also keep you updated on She-Ra's adoption status with email updates.
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She-Ra

Mastiff

Female, 5 yrs
Dublin, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Shots are up-to-date,
Story
She-Ra is a female Mastiff. She is approximately five years old, and currently weighs 93 pounds. She was brought to our shelter on 11/17/25 after being found in unincorporated Livermore. She hasn't been reclaimed by her previous person, so she's now looking for a new home! She has been vaccinated, and will be spayed and micro-chipped before going to her new home. Her adoption fee is $35, plus licensing (if applicable), plus the cost of her spay surgery.

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Or, how about these Mastiffs in cities near Pleasanton, California

These Mastiffs are available for adoption close to Pleasanton, California.
We'll also keep you updated on She-Ra - ECAS's adoption status with email updates.
Photo of She-Ra - ECAS

She-Ra - ECAS

Mastiff Mixed Breed (Medium)

Female 5 yrs
Pleasanton, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
She-Ra was brought to our shelter on 11/17/25 after being found in unincorporated Livermore. She hasn't been reclaimed by her previous person, so she's now looking for a new home! Her adoption fee is $35, plus licensing (if applicable), plus the cost of her spay surgery. She-Ra’s Shelter ID# is 88279. She is an approximately 5-year-old, black, Mastiff mix. She currently weighs around 93 lbs. She has already been vaccinated and will be spayed and microchipped before going to her new home. She-Ra is located in kennel C-2. ** Age shown is an estimate only ** THIS IS A COURTESY POSTING If you are interested, please call the East County Animal Shelter at 925-803-7040 to see if this dog is still available.

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

Rex

Mastiff Mixed Breed (Large)

Male, 1 yr 9 mos
Pleasanton, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
-

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

She-Ra

Mastiff

Female, 5 yrs
Dublin, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Shots are up-to-date,
Story
She-Ra is a female Mastiff. She is approximately five years old, and currently weighs 93 pounds. She was brought to our shelter on 11/17/25 after being found in unincorporated Livermore. She hasn't been reclaimed by her previous person, so she's now looking for a new home! She has been vaccinated, and will be spayed and micro-chipped before going to her new home. Her adoption fee is $35, plus licensing (if applicable), plus the cost of her spay surgery.

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

Mastiff

Male, 6 yrs 7 mos
Palo Alto, 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, Spayed or Neutered, Shots are up-to-date,
Story
Romeo is very sweet 6 year old boy but the vets think he may be younger. He would love to be a family dog and definitely wants to find his forever home, but can be protective of his people and his space. That being said once he knows you are part of the family he listens very well and knows many commands, sit, stay, down, shake, wait. He is slow to warm up to new people but once he has been introduced to you he is a gentle giant and big couch potato that loves to cuddle. He also really enjoys going for a ride in the car. It is not recommended to have young kids due to his size. He is good on the leash and knows many commands but needs someone that is not afraid of his size and can properly handle him. Experienced adopter with larger breeds is a must. No other dogs or animals in the household and not a good candidate for crates.

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

Mastiff

Male, Young
Concord, CA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Needs experienced adopter, Shots are up-to-date,
Story
Duke and Max were abandoned in their kennels. Max is a sweet boy still learning the walk of life. he does not get along with Duke because both are not fixed. Hoping to find him a good loving safe home

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

Mastiff

Male, 2 yrs
Martinez, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
-
Story
-

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These pups are in Pleasanton, California too!

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

Ophelia

Bullmastiff Mixed Breed (Large)

Female, 3 yrs 2 mos
Pleasanton, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with dogs,
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 Pleasanton, California.

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Mastiff puppies and dogs in nearby cities

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Related breeds in Pleasanton, California

Bullmastiffs in Pleasanton, California Neapolitan Mastiffs in Pleasanton, California Saint Bernards in Pleasanton, California

Mastiff shelters & rescues in Pleasanton, California

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

Here are a few organizations closest to you:

Rescue

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California Bully Rescue

Pleasanton, CA 94588

Pet Types: dogs

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Rescue

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Tri-Valley Animal Rescue

PO Box 11143, Pleasanton, CA 94588

Pet Types: cats, dogs

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Shelter

2.8 miles

East County Animal Shelter

4595 Gleason Drive, Dublin, CA 94568

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

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Rescue

20.5 miles

Silicon Valley Animal Rescue

Palo Alto, CA 94303

Pet Types: dogs

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Shelter

26 miles

Contra Costa Animal Services Martinez

4800 Imhoff Place, Martinez, CA 94553

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

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Shelter

35 miles

Humane Society of the North Bay

1121 Sonoma Blvd., Vallejo, CA 94590

Pet Types: cats, dogs

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Shelter

35.1 miles

City of Stockton Animal Shelter

1575 S. LINCOLN ST, STOCKTON, CA 95206

Pet Types: cats, dogs, rabbits

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Shelter

42.2 miles

Solano County Animal Care Services

2510 Clay Bank Rd., Fairfield, CA 94533

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

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Shelter

42.2 miles

Ripon Animal Service

444 Doak Blvd, Ripon, CA 95366

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

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Shelter

43.1 miles

Lodi Animal Services

1345 W. Kettleman Lane, Lodi, CA 95242

Pet Types: cats, birds, 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 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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