Senior confirmed
Jeffrey
Jeffrey, Mastiff/Shepherd mix, Brindle, Male neutered, 2 years old Jeffrey is a very handsome boy! He may take a little time to warm up, but once he d…
Northern Ocean County Animal Facility • Jackson, NJ
Senior Mastiff dogs in New Jersey
Senior Mastiff dogs for adoption in New Jersey
Meet 1 adoptable senior Mastiff dog (age 7+) in New Jersey. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Mastiffs in New Jersey are often passed over for puppies, yet they're usually house-trained, settled in temperament, and ready to bond right away — and because they're fully grown, you already know their size and personality. Adopting a senior Mastiff in New Jersey means welcoming a calm, grateful companion who can settle in from day one.
Last updated July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
Senior Mastiff dogs in other states
Other senior dogs in New Jersey by breed
Adopting a senior Mastiff in New Jersey — FAQ
What counts as a senior dog?
Most shelters and vets consider a dog "senior" around age 7, though large breeds often age sooner and small breeds a little later. Every dog listed here is 7 years or older.
How do I adopt a senior Mastiff in New Jersey?
Open any dog's profile to see the shelter or rescue caring for them in New Jersey, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers senior Mastiffs in one place so they're easier to find.
Are there always senior Mastiff dogs available in New Jersey?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Mastiff in New Jersey right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Mastiff from New Jersey if I live elsewhere?
Often, yes. Many rescues and shelters in New Jersey arrange or help coordinate transport for the right adopter, while others prefer a local meet-and-greet first. Open a dog's profile and ask the organization directly how their out-of-area adoption process works.
Know a senior Mastiff in New Jersey who needs a home?
Shelters and rescues can list adoptable senior dogs for free.