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Mastiff puppies and dogs in Sonoma, California

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

Adopt a Mastiff near you in Sonoma, 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 Sonoma, California

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

Mastiff

Female, 1 yr
Fairfield, 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 Adam's adoption status with email updates.
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Adam

Mastiff Mixed Breed (Medium)

Male, 1 yr 9 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 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, Spayed or Neutered,
Story
I am at Oakland Animal Services in kennel Dog C:5Magician – The Grounded, Gentle Giant Meet Magician, an under-5-year-old Mastiff mix weighing 88 pounds, with a calm presence and an easygoing nature that makes time with him feel unhurried and peaceful. Lovely on leash: Magician walks beautifully, keeping a relaxed pace and even turning back to check in when you pause. Polite and responsive: He responds to “sit” and takes treats with an exceptionally soft mouth. Affectionate in a subtle way: Magician leans gently beside you, content to share space while soaking up calm pets. Observant and serene: He enjoys sniffing the air and watching nearby activity, taking everything in without tension or reactivity. Easygoing energy: His mellow temperament makes him a wonderful companion for relaxed outings and quiet moments. Magician would thrive in a home that appreciates his gentle affection and unassuming charm. He’d do well with a well-matched canine companion or as a solo dog with social fido pals. February 3, 2026, 12:40 pm

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We'll also keep you updated on Trapper's adoption status with email updates.
Photo of Trapper

Trapper

Mastiff

Male, Young
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 H:4Meet Trapper, a young, sweet soul trying to stand out in the crowded shelter. His friendly and curious nature makes him a favorite among staff, volunteers, and his dog friends. Trapper is not just a gentle companion but also a cuddly friend who loves to explore and play. Excelling in playgroups, he has made many doggie friends during his stay so far. Trapper's loyalty and gentle demeanor would make him the perfect addition to almost any family looking for a forever friend. Adopt Trapper and watch his cute little tail nub put a huge smile on your face!February 3, 2026, 9:51 pm

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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, Not 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 She-Ra's adoption status with email updates.
Photo of She-Ra

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 Sonoma, California.

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Mastiff puppies and dogs in nearby cities

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Related breeds in Sonoma, California

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

Mastiff shelters & rescues in Sonoma, California

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

Here are a few organizations closest to you:

Shelter

24.9 miles

Solano County Animal Care Services

2510 Clay Bank Rd., Fairfield, CA 94533

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

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Rescue

38.5 miles

Rocket Dog Rescue

3561 Foothill Blvd, Oakland, CA 94601

Pet Types: dogs

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Shelter

38.5 miles

Oakland Animal Services

1101 29th Ave, Oakland, CA 94601

Pet Types: cats, birds, dogs, rabbits, 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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