I'm Becky W., the breeder behind 3 Diamond Bar Ranch located in California. We are professional, responsible, and ethical dog breeders who love our dogs as part of our family. My goal is breeding strong minded, working stock dogs. These dogs are bred for working stock and are loyal, protective family dogs.
What are the different breed coat colors in your program?
Where do your breeding dogs live?
Becky 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.

Becky 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 Becky 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 Becky directly.
You can drive or fly to pick up your puppy from Becky.
Meet in California
Becky has been a member of Good Dog for over 2 years
Becky was screened for responsible practices and has been a member since 2023.
3 Diamond Bar Ranch meets or exceeds our community standards in these areas:
Becky W.
This is a Working stock dog Litter. High Energy dogs! Litter mates learning to ride and "stay" in a side by side. Playing on the large round bales of hay at the Ranch.




Riddick and Kōloa's litter

Australian Shepherd
About Kōloa
Kōloa is a female Australian Shepherd over 2 years old. Carefully selected as a great representative of her breed, Becky decided to make her part of their program. Becky 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.
Great level
3 Diamond Bar Ranch 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 Australian Shepherds.
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.
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.
DNA Disease Panel, Multiple Drug Sensitivity (MDR1)
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).