10+ years
Piper - For the Love of Mastiffs
Piper is part of our "For the Love of Mastiffs" adoption event and her adoption fee is waived! Meet Piper! Piper ended up in a shelter near St. Louis …
Great Plains Mastiff Rescue Foundation • Edmond, OK
Senior Mastiff dogs in Oklahoma
Senior Mastiff dogs for adoption in Oklahoma
Meet 3 adoptable senior Mastiff dogs (age 7+) in Oklahoma. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Mastiffs in Oklahoma 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 Oklahoma means welcoming a calm, grateful companion who can settle in from day one.
Last updated August 21, 2026 at 12:26 AM EDT. Listings refresh automatically, usually every 12 hours.
Senior confirmed
Maggie - For the Love of Mastiffs
Maggie is part of our "For the Love of Mastiffs" adoption special and her fee is waived!***Meet Maggie! Maggie is an estimated 7-year-old Mastiff who …
Great Plains Mastiff Rescue Foundation • Edmond, OK
Senior confirmed
Franny
Meet Franny! This girl was found as a stray outside a business in Fort Worth in horrible condition. She is severely underweight, has worn and broken t…
Great Plains Mastiff Rescue Foundation • Edmond, OK
Senior Mastiff dogs in other states
Other senior dogs in Oklahoma by breed
Adopting a senior Mastiff in Oklahoma — 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 Oklahoma?
Open any dog's profile to see the shelter or rescue caring for them in Oklahoma, 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 Oklahoma?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Mastiff in Oklahoma right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Mastiff from Oklahoma if I live elsewhere?
Often, yes. Many rescues and shelters in Oklahoma 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 Oklahoma who needs a home?
Shelters and rescues can list adoptable senior dogs for free.