Senior confirmed
STITCH
I am heartworm positive but my treatment is included with my adoption fee and will be administered at the shelter!
Grand Prairie Animal Services • Grand Prairie, TX
Senior Mastiff dogs in Texas
Senior Mastiff dogs for adoption in Texas
Meet 4 adoptable senior Mastiff dogs (age 7+) in Texas. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Mastiffs in Texas 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 Texas 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 confirmed
Ruby
Ruby is a 9-year-old female Mastiff in Bullard, TX. Senior dogs make wonderful companions.
saverockythegreatdane.org • Bullard, TX
Senior confirmed
Senior confirmed
Bob
Welcome Bob to CCPAL Rescue. He is a 7.5-year-old Mastiff/Lab mixed dog. He is about 50 pounds and he is very sweet. He is now ready for his forever h…
Cowboy Capital Pet Assistance League • Bandera, TX
Senior Mastiff dogs in other states
Other senior dogs in Texas by breed
Adopting a senior Mastiff in Texas — 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 Texas?
Open any dog's profile to see the shelter or rescue caring for them in Texas, 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 Texas?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Mastiff in Texas right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Mastiff from Texas if I live elsewhere?
Often, yes. Many rescues and shelters in Texas 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 Texas who needs a home?
Shelters and rescues can list adoptable senior dogs for free.