10+ years
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
Senior Jack Russell Terrier dogs for adoption in Washington
Meet 3 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.
Older Jack Russell Terriers in Washington 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.
Last updated July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
10+ years
Penny
Meet Penny! She came to WAG after being found running loose. Born around 2015, Penny is a friendly senior who would love to have a secure home to reti…
Welfare for Animals Guild • Sequim, WA
Senior confirmed
Kiwi a Jack Russell boy
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 running …
Rompin Paws Rescue • Arlington, WA
Senior Jack Russell Terrier dogs in other states
Other senior dogs in Washington by breed
Adopting a senior Jack Russell Terrier in Washington — 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 Jack Russell Terrier in Washington?
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.
Are there always senior Jack Russell Terrier dogs available in Washington?
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.
Can I adopt a senior Jack Russell Terrier from Washington if I live elsewhere?
Often, yes. Many rescues and shelters in Washington 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 Jack Russell Terrier in Washington who needs a home?
Shelters and rescues can list adoptable senior dogs for free.