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Mastiff puppies and dogs in Atherton, California

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

Adopt a Mastiff near you in Atherton, 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 Atherton, California

These Mastiffs are available for adoption close to Atherton, California.
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Romeo

Mastiff

Male, 7 yrs 3 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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Photo of Rowan

Rowan

Mastiff

Male, Young
Sunnyvale, CA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered, Shots are up-to-date,
Story
Personality: playful, curious ​​​Breed: mastiff  mix Age: est DOB 11/11/25 ​​Weight: 70lbs and growing ​​Sex: male Rescued from Tehama County Large, clumsy boy  Playful with other dogs, but doesn't always realize his size A little nervous in new situations Doing great with crate training No accidents inside so far Easy on leash Large dog experience a must Www.coppersdream.org If you are interested in adopting this dog please visit this link to get the adoption process started. We hold adoption events from San Francisco to the South Bay. Most dogs will be ready to go home the day of the adoption event. We accept credit cards and cash for our adoption fees. While adoption events are a great showcase for these amazing dogs, you don't need an adoption event to adopt a dog.  Check out our adoptable pups, submit an application, and then meet them at their foster home! We try to post the dogs that are attending on Facebook before the event, please visit and like us on Facebook. To View other dogs up for adoption please visit our website. August 1, 2026, 12:49 pm

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ANGEL

Mastiff

Male, 6 yrs 2 mos
Fremont, CA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
Spayed or Neutered,
Story
-

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SIMBA

Mastiff

Male, 5 yrs 6 mos
Hayward, CA
Size
(when grown) X-Large 101 lbs (46 kg) or more
Details
-
Story
-

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Zeus

Mastiff Mutt

Male, Adult
San Leandro, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
House-trained, Spayed or Neutered, Shots are up-to-date,
Story
Zeus is an overall well-behaved and low-maintenance dog: house-trained, low energy, not destructive, not a barker, and usually just sleeps when left alone. He also loves play time, is very food-motivated, and knows some basic commands, like: sit, stay, shake, down, and come. Many dog sitters have even mentioned he’s one of their favorite dogs to care for.All of Zeus’ materials will be included, such as: remaining food and prescriptions, toys, leash, treats, bed, crate, and doggie bags.

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Photo of PENNY

PENNY

Mastiff

Female, 2 yrs 4 mos
Alameda, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
• Loves affection• Playful, great to walk• Super splasherPenny arrived to us unsure of the world, but has since decided that after careful consideration, the world is actually pretty great!She is gorgeous, gentle, and sweeter than she probably wants you to know. Once she`s comfortable with you, her whole personality opens up: she`s easy to train, takes fetch extremely seriously, and in what may be the best discovery of her to date - she LOVES water. She`s a big fan of splashing around and throwing her tennis balls in. Penny is ready for a patient, loving home that can keep her playtime up and thriving. If you`re looking for a beautiful, big hearted, playful pup - she`s right here!

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Use the search tool below to browse adoptable Mastiff puppies and adults Mastiff in Atherton, 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 Belmont, CA Mastiff in Berkeley, CA Mastiff in Burlingame, CA Mastiff in Campbell, 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 Foster City, CA Mastiff in Fremont, CA Mastiff in Half Moon Bay, CA Mastiff in Hayward, CA Mastiff in Hillsborough, CA Mastiff in Lafayette, CA Mastiff in Livermore, CA Mastiff in Los Altos, CA Mastiff in Los Altos Hills, CA Mastiff in Los Gatos, CA Mastiff in Menlo Park, CA Mastiff in Millbrae, 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 Pleasanton, CA Mastiff in Redwood City, CA Mastiff in Richmond, 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 Ramon, CA Mastiff in Santa Clara, CA Mastiff in Santa Cruz, CA Mastiff in Saratoga, CA Mastiff in Sausalito, CA Mastiff in Scotts Valley, 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 Atherton, California

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

Mastiff shelters & rescues in Atherton, California

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

Here are a few organizations closest to you:

Rescue

4.4 miles

Silicon Valley Animal Rescue

Palo Alto, CA 94303

Pet Types: dogs

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Rescue

11.3 miles

Copper's Dream

Sunnyvale, CA 94085

Pet Types: dogs

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Shelter

13.8 miles

Tri-City Animal Shelter

1950 Stevenson Blvd, Fremont, CA 94538

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

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Shelter

14.4 miles

Hayward Animal Shelter

16 Barnes Ct, Hayward, CA 94544

Pet Types: cats, dogs, rabbits, small animals

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Shelter

21.4 miles

Friends of the Alameda Animal Shelter

1590 Fortmann Way, Alameda, CA 94501

Pet Types: cats, dogs, rabbits, small animals

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Rescue

22.6 miles

Rocket Dog Rescue

3561 Foothill Blvd, Oakland, CA 94601

Pet Types: dogs

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Rescue

23 miles

California Bully Rescue

Pleasanton, CA 94588

Pet Types: dogs

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Shelter

24.2 miles

San Jose Animal Care Center

2750 Monterey Highway, San Jose, CA 95111

Pet Types: cats, dogs, rabbits, small animals

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Shelter

36 miles

Santa Cruz County Animal Shelter

1001 Rodriguez Street, Santa Cruz, CA 95062

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

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Shelter

37.2 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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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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