


I'm Diana G., the breeder behind Mountain Mama Mastiffs located in Addy, WA. We offer top-quality, loving English Mastiff puppies to their perfect forever homes. Our dogs are beautiful and bring so much joy! Our dogs are health tested and bred for temperament, movement, and conformation. Puppies are raised in our homes and socialized with our kids and other dogs. Health care is important and managed by Diana, an RN since 2008. We turn your Mastiff dreams into massive reality!

Where do your breeding dogs live?

These dogs are already reserved or have gone home.

Orange
Male

Blue
Male

Green
Female

Red
Female

Purple
Female

Black
Male

Pink
Female
Diana has been certified by Good Dog's screening team for responsible and trusted breeding practices. When you're ready to reach out, feel free to ask any questions about the breed, their program, or specific puppies.
Together, you’ll choose the puppy that’s right for you, stay in touch with regular updates, and plan how to bring your new puppy home.

"The price includes AKC completed registration, microchips, and listing with AKC Reunite. Puppies are up to date on all age-appropriate vaccines and rotational deworming programs. They have a vet visit completed and they go home with a guarantee/contract, and puppy goody bag. The deposit is due after puppies are two weeks old. If you are unable to complete the purchase when the puppy is ready to go home, the deposit can be put toward a puppy from another litter."
Diana may provide a written contract or health guarantee when you purchase a puppy. This helps protect both you and your breeder, ensuring that you both have a clear understanding of the terms of your puppy purchase. If Diana offers a contract or guarantee, the details will be personalized by them. If you have any questions or want to know more, don't hesitate to reach out to Diana directly.
You can drive or fly to pick up your puppy from Diana.
Meet in Addy, WA
2092 miles away
·
Meet at Spokane Airport (Geiger Field)
2073 miles away
·
Flexible meeting point
Diana can meet at a location that works for both of you
Diana has been a member of Good Dog for about 4 years
Diana was screened for responsible practices and has been a member since 2021.

Mountain Mama Mastiffs meets or exceeds our community standards in these areas:

Mastiff
About Beretta
Beretta is incredibly sweet and calm, with fantastic movement and is champion sired. Check out her health testing results! Sire, Camo and dam, Kimber (apricot) pictured.
Great health testing

Mastiff
About Mini
Energetic and friendly girl with solid conformation, good bone and stellar movement!
Great health testing

Mastiff
About Cash
AKC champion fully health tested CLEAR! CHIC number is 180849 This is one sweet hunk of love that has incredible movement and bone. We are excited to see what his babies can do!
Excellent health testing
Great level
Mountain Mama Mastiffs reports to performing the health tests below on their breeding dogs. Ask your breeder about the tests performed on the parents of your litter. Learn more about health testing for Mastiffs.
Hip Dysplasia
Hip testing reduces the chance of passing down hip dysplasia, which is primarily found in large breed dogs and can cause hip pain and the eventual loss of the function of the hip joint.
Eye Certification (CAER, registered with OFA)
Eye testing reduces the chance of passing down a wide range of hereditary eye illnesses including retinal dysplasia, lens luxation, and glaucoma, which can cause impared vision or blindness.
Cardiac Evaluation (registered with OFA)
Heart testing reduces the chance of passing down congenital heart disease, which can cause a range of symptoms ranging from trouble exercising to heart failure.
Thyroid (Autoimmune Thyroiditis, registered with OFA), Canine Good Citizen (CGC)
A breeder may perform additional tests on their dogs that do not fall into these general categories. These tests may be more uncommon or very specific to a particular breed.
Hyperuricosuria (HUU), PRA Dominant (DPRA), Mastiff Type, GenSol Diagnostics DNA Testing, Multifocal Retinopathy 1 (CMR1), DNA Disease Panel, Degenerative Myelopathy (DM; SOD1A)
Genetic testing reduces the chance of passing down a wide variety of hereditary diseases of differing prevalence and severity such as Progressive Retinal Atrophy (an eye disease) and Von Willebrand's Disease (a blood disease).
Health testing is one key piece of responsible breeding and is performed on breeding dogs to prevent the presence of heritable conditions in their puppies.
Health testing is one key piece of responsible breeding and is performed on breeding dogs to prevent the presence of heritable conditions in their puppies.
Health testing is one key piece of responsible breeding and is performed on breeding dogs to prevent the presence of heritable conditions in their puppies.