




Sage
8 weeks old · Female

Ember
8 weeks old · Female

Cooper
8 weeks old · Male

Ruger
8 weeks old · Male
I'm David S., the breeder behind Mountainside Puppies located in East Earl, PA. We at mountainside puppies breed for quality puppies, all our adults are genetic health tested to ensure you that you are getting a healthy puppy, we also make sure all our customers are thrilled with their new puppy.

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

David has been certified by Good Dog’s screening team for responsible and trusted breeding practices. When you’re ready, reach out to ask about the puppies or anything else on your mind. You’ll get to know each other through messaging, phone, or video and pay securely, all on Good Dog.
David partners with buyers to find the best match as the puppies develop and their personalities take shape. Typically, matches are finalized when the puppies reach about 6 weeks old.

“This price includes a 30 day health guarantee and also a 1 yr genetic health guarantee, and all vaccinations and dewormer, and also small bag of food and a little blanket. When you put down a deposit that will either reserve a puppy for you or a slot for a upcoming litters, the deposit is non-refundable, however that deposit can be moved to any available puppy or a future litter if you change your mind.”
David 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 David 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 David directly.
When you pay and communicate on Good Dog, you’re covered by Payment Protection.
You can drive or fly to pick up your puppy from David.
Meet in East Earl, PA
Meet at Philadelphia Airport
Meet in Camden, NJ
David has been a member of Good Dog for less than a month
David was screened for responsible practices and has been a member since 2026.

Mountainside Puppies meets or exceeds our community standards in these areas:

Bernedoodle
About Enzo
Enzo is a very easy going boy, and very friendly and good with other dogs.

Bernedoodle
About Roxy
Roxy is a very sweet girl, she is really good with kids and other dogs.
Good level
Mountainside Puppies 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 Bernedoodles.
Vet Wellness Exam
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.
DNA Disease Panel, Degenerative Myelopathy (DM; SOD1B), Bernese Mountain Dog Type, Degenerative Myelopathy (DM; SOD1A), Animal Genetics 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).