


I'm Maria O., the breeder behind Timberstone Boxers located in Pennsylvania. Our goal is to produce healthy dogs with amazing temperaments while leaving a legacy of greatness in the breed. We are dedicated advocates for proper breeding techniques.

What are the different breed coat colors in your program?
Where do your breeding dogs live?

Maria 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.

Maria 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 Maria 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 Maria directly.
You can drive or fly to pick up your puppy from Maria.
Meet in Pennsylvania
150 miles away
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Maria has been a member of Good Dog for almost 4 years
Maria was screened for responsible practices and has been a member since 2022.

Timberstone Boxers meets or exceeds our community standards in these areas:
Good level
Timberstone Boxers 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 Boxers.
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.
Degenerative Myelopathy (DM; SOD1A), Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)
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).