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Mastiff puppies and dogs in Hillsborough, California

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

Adopt a Mastiff near you in Hillsborough, California

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

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

These Mastiffs are available for adoption close to Hillsborough, California.
We'll also keep you updated on MOJO JOJO's adoption status with email updates.
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MOJO JOJO

Mastiff

Male, 6 yrs
Palo Alto, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Mojo Jojo may share his name with a mischievous villain, but this Mojo Jojo is all heart and zero evil plans. Instead of plotting world domination, he’s busy mastering the art of tail wags, belly rubs, and winning over everyone he meets. The staff at the shelter think he is probably potty trained already, and on top of that, he loves treats and pets and proudly shows off his cues like “sit” and “down” like the good boy he is.

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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 9 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 Adam's adoption status with email updates.
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Adam

Mastiff Mixed Breed (Medium)

Male, 1 yr 10 mos
Oakland, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Adam is a 65-pound calm and cuddly boy who is doing well with his amazing foster. He now walks on a leash and is eager to "sit" for his dinner. He gets along great with female dogs and is not overly curious about cats. He is a protective boy over his family and property, but when given proper introductions, he is the most loyal and gentle guy you'll ever meet. He needs an adopter who can guide him with boundaries and offer lots of socialization opportunities.

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

Mastiff

Male, Puppy
Oakland, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Good with kids, Good with dogs, Spayed or Neutered,
Story
I am in a foster home and not at the shelter. If you are interested in adopting, submit an adoption questionnaire by email. Learn more hereMeet Bizkit, a big pup with an even bigger future! 4 months old and 41 pounds, this mastiff mix is a confident, playful, and happy boy. Thriving in foster care, he's playing respectfully with resident dog, cuddling sweetly with his humans and has been gentle with their child. Bizkit had a tough start in life, but you’d never know it from his joyful spirit. He has a healed paw injury that leaves one wrist at a slight angle, but it doesn’t slow him down or cause him pain. He’s all wiggles and puppy enthusiasm! Smart and eager to learn, Bizkit responds well to positive reinforcement and gentle correction. As a growing large-breed puppy, he’ll need continued training, socialization, and a committed adopter ready for the time and energy that comes with raising a large, strong dog. If you’re looking for a loving, playful companion to grow up with your family, Bizkit is ready to fill your home with cuddles and loyalty. Click here to learn how to adopt and submit your adoption questionnaire.February 11, 2026, 1:33 pm

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

Mastiff

Male, Adult
San jose, CA
Size
(when grown) Med. 26-60 lbs (12-27 kg)
Details
Spayed or Neutered, Shots are up-to-date,
Story
Dozer is a neutered male, black/white Mastiff Hi! I'm Dozer! I am deaf! I really don't know how to play. It’s kind of sad. I have a little routine here - I just go in my pen, eat a few bites, drink then run back out for a treat. I like being near my people & will follow you around. I am not interested in playing ball. I really just don't know what to do with myself other than just enjoy life. I am so sweet, according to my foster. So if you don't mind a good-sized velcro dog, I'm your guy! ##2498995##

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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, 7 yrs
Dublin, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered, Shots are up-to-date,
Story
Do you like BIG dogs? She-Ra may be your girl! She is a female Mastiff mix, who is approximately seven years old, and currently weighs 93 pounds. Despite her size, she is a lower-energy pup, who enjoys going for walks, but is mostly happy to hang out and just be by your side! 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, spayed, and micro-chipped. She-Ra is dog-selective, which is common amongst adult dogs, and means that she may appreciate some dogs more than others. If you already have another dog at home, we'll ask you to bring them to meet her too, prior to adoption. Her adoption fee is $35, plus licensing (if applicable). Her spay surgery has been sponsored by our friends at the Tri-Valley Animal Rescue! She-Ra qualifies for Senior Sunday! Adopt her on a Sunday and we'll waive her adoption fee!

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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 Hillsborough, California.

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Mastiff puppies and dogs in nearby cities

Mastiff Puppies near me Mastiff in Alameda, CA Mastiff in Albany, CA Mastiff in Atherton, CA Mastiff in Belmont, CA Mastiff in Berkeley, CA Mastiff in Burlingame, CA Mastiff in Campbell, CA Mastiff in Clayton, CA Mastiff in Concord, CA Mastiff in Corte Madera, CA Mastiff in Cupertino, CA Mastiff in Daly City, CA Mastiff in Danville, CA Mastiff in Dublin, CA Mastiff in East Palo Alto, CA Mastiff in El Cerrito, CA Mastiff in Emeryville, CA Mastiff in Fairfax, CA Mastiff in Foster City, CA Mastiff in Fremont, CA Mastiff in Half Moon Bay, CA Mastiff in Hayward, CA Mastiff in Hercules, CA Mastiff in Lafayette, CA Mastiff in Larkspur, CA Mastiff in Livermore, CA Mastiff in Los Altos, CA Mastiff in Los Altos Hills, CA Mastiff in Los Gatos, CA Mastiff in Martinez, CA Mastiff in Menlo Park, CA Mastiff in Millbrae, CA Mastiff in Mill Valley, CA Mastiff in Milpitas, CA Mastiff in Moraga, CA Mastiff in Mountain View, CA Mastiff in Newark, CA Mastiff in Oakland, CA Mastiff in Orinda, CA Mastiff in Pacifica, CA Mastiff in Palo Alto, CA Mastiff in Piedmont, CA Mastiff in Pinole, CA Mastiff in Pleasant Hill, CA Mastiff in Pleasanton, CA Mastiff in Redwood City, CA Mastiff in Richmond, CA Mastiff in San Anselmo, CA Mastiff in San Bruno, CA Mastiff in San Carlos, CA Mastiff in San Francisco, CA Mastiff in San Jose, CA Mastiff in San Leandro, CA Mastiff in San Mateo, CA Mastiff in San Pablo, CA Mastiff in San Rafael, CA Mastiff in San Ramon, CA Mastiff in Santa Clara, CA Mastiff in Saratoga, CA Mastiff in Sausalito, CA Mastiff in South San Francisco, CA Mastiff in Sunnyvale, CA Mastiff in Tiburon, CA Mastiff in Union City, CA Mastiff in Walnut Creek, CA Mastiff in Woodside, CA

Related breeds in Hillsborough, California

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

Mastiff shelters & rescues in Hillsborough, California

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

Here are a few organizations closest to you:

Rescue

15.5 miles

Silicon Valley Animal Rescue

Palo Alto, CA 94303

Pet Types: dogs

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Shelter

15.5 miles

Pets In Need, Palo Alto (For the City of Palo Alto)

3281 E. Bayshore Rd., Palo Alto, CA 94303

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

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Rescue

16.4 miles

Rocket Dog Rescue

3561 Foothill Blvd, Oakland, CA 94601

Pet Types: dogs

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Shelter

16.4 miles

Oakland Animal Services

1101 29th Ave, Oakland, CA 94601

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

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Rescue

21.8 miles

BAMM Rescue - San Jose, CA Foster

San jose, CA 94088

Pet Types: dogs

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Shelter

25.2 miles

East County Animal Shelter

4595 Gleason Drive, Dublin, CA 94568

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

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Rescue

26.4 miles

Tri-Valley Animal Rescue

PO Box 11143, Pleasanton, CA 94588

Pet Types: cats, dogs

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Rescue

26.4 miles

California Bully Rescue

Pleasanton, CA 94588

Pet Types: dogs

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Rescue

29.9 miles

Joybound People and Pets

2890 Mitchell Drive, Walnut Creek, CA 94598

Pet Types: cats, dogs

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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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