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Mastiff puppies and dogs in San Leandro, California

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

Adopt a Mastiff near you in San Leandro, California

These Mastiffs are available in San Leandro, California.
We'll also keep you updated on Bruce's adoption status with email updates.
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Bruce

Mastiff

Male, Adult
San Leandro, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Good with cats, House-trained, Shots are up-to-date,
Story
Bruce born November 2018 (7 years old) -Eats twice a day -no food aggression with people but doesn’t like other animals near his food . -Same with bones , he will allow a human to take his bone but not another dog. -No allergies -slight anxiety -Knows how to sit , down , shake , wait. -Leash trained with a pinch collar. (Will provide that for you) Very friendly dog. Loves walks. He will play with small to medium sized dogs when introduced. Loves people and children and grew up with another dog and cat who recently passed away. He has anxiety and matches energy . He will chill when you chill but will be loud and excited with you as well. Loves water so loves baths and will allow the blow dryer. Overall very friendly and loving boy!

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Or, how about these Mastiffs in cities near San Leandro, California

These Mastiffs are available for adoption close to San Leandro, California.
We'll also keep you updated on Bruce's adoption status with email updates.
Photo of Bruce

Bruce

Mastiff

Male, Adult
San Leandro, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Good with cats, House-trained, Shots are up-to-date,
Story
Bruce born November 2018 (7 years old) -Eats twice a day -no food aggression with people but doesn’t like other animals near his food . -Same with bones , he will allow a human to take his bone but not another dog. -No allergies -slight anxiety -Knows how to sit , down , shake , wait. -Leash trained with a pinch collar. (Will provide that for you) Very friendly dog. Loves walks. He will play with small to medium sized dogs when introduced. Loves people and children and grew up with another dog and cat who recently passed away. He has anxiety and matches energy . He will chill when you chill but will be loud and excited with you as well. Loves water so loves baths and will allow the blow dryer. Overall very friendly and loving boy!

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

Mastiff

Male, Adult
Oakland, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Declawed,
Story
I am at Oakland Animal Services in kennel Dog C:5January 1, 2026, 12:00 pm

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

Mastiff Mixed Breed (Medium)

Male, 1 yr 8 mos
Oakland, 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 waived this month and her spay surgery will be sponsored too! A dog licensing fee may still apply.

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

Mastiff

Female, 6 yrs
Dublin, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Shots are up-to-date,
Story
May May is a female Mastiff. She is approximately six years old, and currently weighs 80 pounds. She was brought to our shelter on 11/22/25 after being found in Castro Valley. She hasn't been reclaimed by her previous person, so she's now looking for a new home! She has been vaccinated, is micro-chipped, and will be spayed before going to her new home. Her adoption fee is waived this month, but her adopter will responsible for the cost of her spay surgery. A dog licensing fee may still apply.

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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 1 mo
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). The cost of her spay surgery is sponsored! ☃️ Her adoption fee is waived this month, and her spay surgery has been sponsored! Licensing fee may still apply. 🎁 ## See video of She-Ra at the end of the photo gallery! ## TVAR.org/find-your-pet-adopt/dogs-puppies/ 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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Search for a Mastiff puppy or dog

Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in San Leandro, California.

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Mastiff puppies and dogs in nearby cities

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Related breeds in San Leandro, California

Bullmastiffs in San Leandro, California Neapolitan Mastiffs in San Leandro, California Saint Bernards in San Leandro, California

Mastiff shelters & rescues in San Leandro, California

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

Here are a few organizations closest to you:

Rescue

7.5 miles

Rocket Dog Rescue

3561 Foothill Blvd, Oakland, CA 94601

Pet Types: dogs

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Shelter

7.5 miles

Oakland Animal Services

1101 29th Ave, Oakland, CA 94601

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

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Shelter

12 miles

East County Animal Shelter

4595 Gleason Drive, Dublin, CA 94568

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

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Rescue

13.9 miles

Tri-Valley Animal Rescue

PO Box 11143, Pleasanton, CA 94588

Pet Types: cats, dogs

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Rescue

13.9 miles

California Bully Rescue

Pleasanton, CA 94588

Pet Types: dogs

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Rescue

16.7 miles

Silicon Valley Animal Rescue

Palo Alto, CA 94303

Pet Types: dogs

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Shelter

21.1 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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Rescue

21.7 miles

BAMM Rescue - San Jose, CA Foster

San jose, CA 94088

Pet Types: dogs

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Shelter

29.5 miles

Humane Society of the North Bay

1121 Sonoma Blvd., Vallejo, CA 94590

Pet Types: cats, dogs

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Shelter

47.8 miles

City of Stockton Animal Shelter

1575 S. LINCOLN ST, STOCKTON, CA 95206

Pet Types: cats, dogs, rabbits

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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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