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North American Mastiff Facts & Advice 

The North American Mastiff is a medium to large breed developed in the United States to serve as an appealing family guardian. Known as the NAM, this mastiff has a robust build with heavy bones, showcasing both strength and agility. The NAM demonstrates intelligence and adaptability, fitting seamlessly into roles as a family protector, companion, or agile hunter. A well-proportioned height and substance are preferred in this breed.

Size

24 - 30 inches

Coat

short

Energy

calm

Lifespan

10 - 13 years

Personality

gentle, brave, noble

Training

willful

Health Facts

Northern Oaks puppies are tested at 7-8 weeks of age and see the vet at least 2 times before they go to their new homes. They are given age-appropriate vaccines and dewormer. Each of the parents to our pups are given a detailed health test to vet risks and breed purity to insure each of our pups are up to snuff!

Our Male North American Mastiffs

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Versace

DOB: 04/17/25

Our Male North American Mastiff
Our Female North American Mastiff
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