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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.
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 10 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 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 Apollo's adoption status with email updates.
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Apollo

Mastiff

Male, Young
Castro Valley, 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
Meet our sweet boy Apollo 🐾 Apollo just turned 2 years old on January 5, 2026. He is a loving, affectionate pup who adores belly rubs and enjoys spending time with his people. Apollo is well-mannered and knows basic commands such as sit, stay, lay down, and shake paws. We are heartbroken to say that we are looking for a new family for Apollo due to circumstances beyond our control—our landlord has required that we rehome him. This decision has not been easy, and our only wish is to find a home that will love and care for him just as much as we do. If you are willing to give Apollo a chance and provide him with a safe, loving forever home, please reach out. He truly deserves a family who will cherish him.

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

Mastiff

Female, Young
Oakland, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
Spayed or Neutered,
Story
Meet Carolina, a young Mastiff mix with a big presence and an even bigger heart. 🐾💛She may look large and mighty at first glance, but Carolina is currently approaching life with a bit of caution. The world can feel overwhelming sometimes, and she's still learning that it's a safe and welcoming place. The beautiful thing about Carolina? She wants to trust - and she does, quickly. With gentle reassurance and a steady hand, she melts right into her person.This sweet, smushy girl is full of quiet affection. Once she feels comfortable, she leans in for love, enjoys soft pets, and shows her tender, loyal nature. She's the kind of dog who will form a deep bond with her family and look to them for guidance and confidence. Primary Color: Red Secondary Color: White Weight: 59.5 Age: 1yrs 0mths 1wks

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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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Mastiff puppies and dogs in nearby cities

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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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Shelter

4.4 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

10.3 miles

BAMM Rescue - San Jose, CA Foster

San jose, CA 94088

Pet Types: dogs

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Shelter

20.8 miles

East Bay SPCA - Oakland

8323 Baldwin Street, Oakland, CA 94621

Pet Types: cats, dogs

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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

Tri-Valley Animal Rescue

PO Box 11143, Pleasanton, CA 94588

Pet Types: cats, dogs

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Shelter

23.1 miles

East County Animal Shelter

4595 Gleason Drive, Dublin, CA 94568

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

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Rescue

37.3 miles

SNAP-Rescue

Concord, CA 94521

Pet Types: dogs

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Shelter

45.2 miles

Humane Society of the North Bay

1121 Sonoma Blvd., Vallejo, CA 94590

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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