



I'm Stephanie G., the breeder behind IV Bullmastiffs located in Palm Desert, CA. Our family has owned, loved, shown and bred this incredible breed for 20+ years. Our breeding program is very important and meaningful to us. We put our all into planning our future generation as well as doing our utmost to breed healthy, structurally correct and well tempered dogs/family members.
Why did you start breeding?
What makes your program special?
What are the different breed coat colors in your program?
Where do your breeding dogs live?
Stephanie 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.
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.

“the price includes the guarantee,AKC registration, first round of vaccinations, deworming and puppy socialization. ALL OUR PUPPIES ARE THE SAME PRICE REGARDLESS OF COLOR OR SIZE.INCLUDES REGISTRATION AND MICROCHIP.”
Stephanie 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 Stephanie 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 Stephanie 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 Stephanie.
Meet in Palm Desert, CA
2181 miles away
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Meet at Palm Springs Airport
2182 miles away
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Flexible meeting point
Stephanie can meet at a location that works for both of you
Club memberships
Stephanie is a member of AMERICAN BULLMASTIFF ASSOCIATION and CALIFORNIA BULLMASTIFF FIANCIERS.
Stephanie has been a member of Good Dog for 10 months
Stephanie was screened for responsible practices and has been a member since 2025.
Stephanie’s links

IV Bullmastiffs meets or exceeds our community standards in these areas:
Excellent level
IV Bullmastiffs 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 Bullmastiffs.
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 (rDVM, not registered with OFA), 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.
Thyroid (Autoimmune Thyroiditis, registered with OFA)
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.