



I'm Shannon V., the breeder behind Van D Mastiffs located in Strasburg, CO. We are super proud of all of our puppies. As you can see, Mastiffs are our life. We wouldn't have it any other way! We know you will love these dogs as much as we do—it's impossible not to!

Why did you start breeding?
What makes your program special?
What are the different breed coat colors in your program?
Where do your breeding dogs live?

These dogs are already reserved or have gone home.
Dark Brindle
Female
Fawn
Female
Brindle
Female
Brindle
Male
Shannon 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.

"Price includes a non-refundable $500 deposit. All of our puppies will be sold on a contract as well as being been fully vetted, vaccinated, dewormed, microchipped, and well-socialized. Deposits are taken after the puppies are 4 weeks of age. The deposit is to hold a puppy for you and starts the placement process. We work with you to choose the best puppy suited for your family."
Shannon 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 Shannon 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 Shannon directly.
You can drive or fly to pick up your puppy from Shannon.
Meet in Strasburg, CO
1429 miles away
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Meet at Denver Airport
1447 miles away
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Club memberships
Shannon is a member of Plum Creek Kennel Club and Rocky Mountain Mastiff Fanciers.
Certifications & recognitions
Puppy Culture Breeder, AKC Breeder with H.E.A.R.T., AKC Breeder of Merit.
Shannon has been a member of Good Dog for over 5 years
Shannon was screened for responsible practices and has been a member since 2020.

Van D Mastiffs meets or exceeds our community standards in these areas:
Mastiff
About Demelza
Demelza is a female Mastiff. Carefully selected as a great representative of her breed, Shannon decided to make her part of their program. Shannon has passed Good Dog’s screening process, which involved a review of their breeding practices, environment, and the mental and physical health of their dogs.
Van D 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.
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.
Patellar Luxation
Knee testing reduces the chance of passing down Patellar Luxation, which results in the kneecap becoming displaced or dislocated and can cause mild to severe joint pain.
DNA Disease Panel, Full Embark Panel
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).