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Mastiff puppies and dogs in Petaluma, California

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

Adopt a Mastiff near you in Petaluma, 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 Petaluma, California

These Mastiffs are available for adoption close to Petaluma, 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 Trapper's adoption status with email updates.
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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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These pups are in Petaluma, California too!

Below are our newest added Mastiffs available for adoption in Petaluma, California. To see more adoptable Mastiffs in Petaluma, California, use the search tool below to enter specific criteria!
We'll also keep you updated on Sera A438050's adoption status with email updates.
Photo of Sera A438050

Sera A438050

Bullmastiff

Female, Senior
Petaluma, CA
Size
(when grown) Large 61-100 lbs (28-45 kg)
Details
House-trained, Spayed or Neutered, Shots are up-to-date,
Story
This animal is available at: Sonoma County Animal Services (707) 565-7100 PLEASE DO NOT CONTACT NORTH BAY Sera A438050   Located At: Sonoma County Animal Services   For more information call(707) 565-7100   Description: I am a spayed female, tan and black Bullmastiff mix.   Age: I am estimated to be about 6 years old.   Weight: I weigh approximately 90 pounds.   More Info: I have been at the shelter since Nov 06, 2025.  For more information about this animal, call:Sonoma County Animal Services at (707) 565-71001247 Century Court, Santa Rosa Tuesday - Saturday12:00 - 5:00 p.m.Adoptions are processed until 4:30 p.m.December 17, 2025, 9:28 pm

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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 Petaluma, California.

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Mastiff puppies and dogs in nearby cities

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Related breeds in Petaluma, California

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

Mastiff shelters & rescues in Petaluma, California

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

Here are a few organizations closest to you:

Shelter

34.3 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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Shelter

44.7 miles

Oakland Animal Services

1101 29th Ave, Oakland, CA 94601

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

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Rescue

44.7 miles

Rocket Dog Rescue

3561 Foothill Blvd, Oakland, CA 94601

Pet Types: 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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