
Momo
Meet Momo At 14 years young and just 10 pounds, Momo is the definition of a gentle old soul. This sweet Jack Russell Terrier mix came to us after her …
The Alternative Humane Society of Whatcom County • Bellingham, WA
Senior Jack Russell Terrier dogs in Washington
Meet 2 adoptable senior Jack Russell Terrier dogs (age 7+) in Washington. Each one is from a shelter or rescue and ready for a calm, loving home.
There are currently 2 adoptable senior Jack Russell Terrier dogs (age 7 and up) in Washington, each from a local shelter or rescue. Older Jack Russell Terriers 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 Jack Russell Terrier in Washington means welcoming a calm, grateful companion who can settle in from day one.

Meet Momo At 14 years young and just 10 pounds, Momo is the definition of a gentle old soul. This sweet Jack Russell Terrier mix came to us after her …
The Alternative Humane Society of Whatcom County • Bellingham, WA

**KIWI** Kiwi is a seven-year-old purebred Jack Russell Terrier with a big personality. He loves chasing balls, going for car rides, walks, and runnin…
Rompin Paws Rescue • Arlington, WA
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.
Open any dog's profile to see the shelter or rescue caring for them in Washington, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers senior Jack Russell Terriers in one place so they're easier to find.
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Jack Russell Terrier in Washington right now, check back soon or browse nearby states — new dogs are added regularly.
Shelters and rescues can list adoptable senior dogs for free.