Mastiff Adoption in Los Altos, CA: Mastiff Puppies for Sale in Los Altos, CA

Adopt a Mastiff near you in Los Altos, 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 Los Altos, California

These Mastiffs are available for adoption close to Los Altos, California.

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

Meet Dozer – Your Oversized Lap Dog! If you're looking for a gentle giant with a goofy personality, Dozer is your guy. This handsome Mastiff weighs in at around 100 pounds, but he's convinced he's the perfect size to curl up in your lap—and honestly, who are we to tell him otherwise? Dozer is deaf, but don't let that fool you. He's incredibly people-oriented, eager to connect, and quickly learns through hand signals, patience, and plenty of treats. In fact, he's highly treat motivated, making training both fun and rewarding. He's a lovable goofball who doesn't always know what to do with all those long legs, which only adds to his charm. While he can be a little awkward at times, he's not anxious—just a big, silly boy figuring life out one step at a time. Dozer enjoys the company of other dogs, adores people, and has a sweet, gentle nature that makes everyone fall in love with him. He's already neutered and ready to find a family that will appreciate his unique personality and endless affection. If you've been dreaming of a loyal best friend with a heart as big as his paws, Dozer is waiting to meet you. ##2498995##

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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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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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RED

Mastiff

Male, 1 yr 1 mo

San Jose, CA

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Spayed or Neutered,

Story

06/21/26 12:05Looking for a sweet boy to call your own? Meet Red!Red is a shy 1 year old that has been at the shelter since May. This gentle dog is known to startle easily and can be wary of new people and objects, but he warms up when given the chance. He is treat motivated and allows full handling. He loves to go on walks and has shown no reactivity towards other dogs at this time. Red is a bit undersocialized and could use some leash training because he has been noted once to be a bit of a tripping hazard. But with more consistent walks with his forever family, Red will be a walking pro.Come in today to meet Red. He is waiting patiently for someone who will take him home.

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SIMBA

Mastiff

Male, 5 yrs 5 mos

Hayward, CA

Size

(when grown) X-Large 101 lbs (46 kg) or more

Details

Story

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Gus

Mastiff Rottweiler

Male, Adult

Santa Cruz, CA

Size

(when grown) Large 61-100 lbs (28-45 kg)

Details

Good with kids, Good with dogs, Good with cats, Needs experienced adopter, House-trained, Spayed or Neutered, Shots are up-to-date,

Story

Gus is a 4.5 year old mastiff/rotweiler mix. He a wonderful companion animal and has given our family loyalty, cuddles, and goofiness. He is a low-energy dog who loves to snooze, but also enjoys moderate walks and hikes. Gus needs a new home because he can aggressively resource guard random objects (e.g. a child's toy or a kleenex). We cannot keep him in our house with three very small children who may be inclined to follow him if he takes a forbidden toy. Gus would be great in an adult-only home or a family with older children who can understand and manage this behavior. Gus is great with kids, adults, and other dogs. He is trained on the basics and walks well on a leash. He is neutered and up to date on all vaccinations. It is with an extremely heavy heart that we have to find a new home for this loving dog. But he will be a fantastic addition to any home without small children who wants a loving companion and can manage his occasional resource guarding.

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Mastiff puppies and dogs in Los Altos, California

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Adopt a Mastiff near you in Los Altos, 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!

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These Mastiffs are available for adoption close to Los Altos, California.

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Mastiff puppies and dogs in Los Altos, California

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Adopt a Mastiff near you in Los Altos, 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 Los Altos, California

These Mastiffs are available for adoption close to Los Altos, California.

Search for a Mastiff puppy or dog

Mastiff puppies and dogs in nearby cities

Related breeds in Los Altos, California

Mastiff shelters & rescues in Los Altos, California

Looking for a specific shelter or rescue?

Want to learn more about adopting a Mastiff puppy or dog?

Mastiff basics

Mastiff basics