



I'm Lisa A., the breeder behind Lisa Armstrong located in Minnesota. We are experienced breeders, and we take our role seriously. Our dogs are outstanding [BREED]s. We take pride in both their accomplishments in the ring and their amazing temperaments and abilities at home. They produce wonderful pups, and we are happy to be able to provide other families and individuals with extraordinary Mastiff puppies.
Where do your breeding dogs live?
Lisa 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.

Lisa 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 Lisa 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 Lisa directly.
You can drive or fly to pick up your puppy from Lisa.
Meet in Minnesota
4443 miles away
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Lisa has been a member of Good Dog for over 4 years
Lisa was screened for responsible practices and has been a member since 2021.
Lisa Armstrong meets or exceeds our community standards in these areas:
Excellent level
Lisa Armstrong 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.