



I'm Cassity B., the breeder behind Bastian Mountain Dogs located in Colorado Springs, CO. The loyalty and loving disposition of this breed are simply the best! We put a great deal of effort into raising our litters to ensure our puppy families will have the best experience raising their new family members.

Why did you start breeding?
What makes your program special?
Where do your breeding dogs live?

These dogs are already reserved or have gone home.

Winston
Male
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Barbados (Barbie)
Female

Cayman
Male

Hawaii
Female

Bali
Female

Cocomo
Female

Figi
Female

Caicos
Male

Tahiti
Female

Bora Bora
Male

Boy 1
Male

Girl 1
Female
Girl 2
Female
Girl 3
Female

Givenchy
Male

Armani
Male

Coach
Male

Prada
Female

Gabanna
Female

Valentino
Male

Chanel
Female

Saint Laurent
Male

Fendi
Female

Dolce
Female

Blossom
Female

Bubble
Female

Cal
Male

Ice
Female

Cosmo
Female
Girl 5
Female
Girl 6
Female
Boy 2
Male
Cassity 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.

"This price includes the health guarantee, first round of shots, dewormings, socialization, hind dew claw removal, and limited AKC Registration."
Cassity 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 Cassity 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 Cassity directly.
You can drive or fly to pick up your puppy from Cassity.
Meet in Colorado Springs, CO
Meet at City of Colorado Springs Airport
Meet in Grand Junction, CO
Cassity has been a member of Good Dog for about 3 years
Cassity was screened for responsible practices and has been a member since 2023.

Bastian Mountain Dogs meets or exceeds our community standards in these areas:

Bernese Mountain Dog
About Guy
Guy is an amazing Bernese boy. He is sweet, loving, playful, and smart. He has his STAR puppy and Novice Trick Dog titles and will soon have his CGC. He has OFA Good Hips (prelim), Normal Elbows (prelim), Normal Eyes, and Normal Cardiac. He also has great PennHIP scores of .25 Left and .36 Right.
Good health testing
Great level
Bastian Mountain Dogs 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 Bernese Mountain Dogs.
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.
Elbow Dysplasia Finals (OFA, BVA, SV, FCI)
Elbow testing reduces the chance of passing down elbow dysplasia, which is primarily found in large breed dogs and can cause arthritis in the elbow joint and front leg lameness.
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.
DNA Disease Panel, Degenerative Myelopathy (DM; SOD1B), Bernese Mountain Dog Type, Degenerative Myelopathy (DM; SOD1A), von Willebrand Disease I (vWD I)
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).
Hear what other owners say about working with Cassity to bring home their puppies.

Elizabeth-Anne C.
Verified owner · Aug. 2025









Everything went GREAT! In the future I will definitely get another golden from them!
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.