


I'm Sabrina K., the breeder behind Keystone Working Dogs located in Annville, PA. We breed quality family pets who are also capable working or sport dogs, field companions, and service dogs! We focus on health and temperament over AKC conformation. We specifically breed for service and sport potential over show prospects. WE ARE LGBTQ+ AND BIPOC FRIENDLY!

Where do your breeding dogs live?

Sabrina 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.

"Cost includes vaccines, FI microchip, initial vaccines, vet visit, and CKC registration. Holds a spot on our waitlist for you. We sometimes have open spots but will always give priority to families with a deposit."
Sabrina 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 Sabrina 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 Sabrina directly.
You can drive or fly to pick up your puppy from Sabrina.
Meet in Annville, PA
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Certifications & recognitions
CHIC Certified, Canine Good Citizen Evaluator, Associate Dog Trainer.
Sabrina has been a member of Good Dog for almost 3 years
Sabrina was screened for responsible practices and has been a member since 2023.
Sabrina’s links

Keystone Working Dogs meets or exceeds our community standards in these areas:

All breeds

Sporty Mix

Golden Retriever

Sporty Mix
About Mocha
Mocha is a female Sporty Mix. Carefully selected as a great representative of her breed, Sabrina decided to make her part of their program. Sabrina 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.

Golden Retriever
About Tikka
Tikka is a female Golden Retriever almost 7 years old. Carefully selected as a great representative of her breed, Sabrina decided to make her part of their program. Sabrina 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.
Good health testing
Excellent level
Keystone Working 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 Golden Retrievers.
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.
Ichthyosis, Golden Retriever Type
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.
Full Embark Panel, PRA, Golden Retriever 2
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.