Senior confirmed
CHAZZ
Meet Chazz! Chazz is a sweet senior dog with a heart full of love and a gentle personality. He adores being around people, enjoys leisurely walks, and…
Irvine Animal Care Center • Irvine, CA
Senior Jack Russell Terrier dogs in California
Senior Jack Russell Terrier dogs for adoption in California
Meet 7 adoptable senior Jack Russell Terrier dogs (age 7+) in California. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Jack Russell Terriers in California 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 California 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
Marco
Meet Marco! Marco is a handsome 1-year-old Jack Russell Terrier mix weighing 17 pounds, and he’s the perfect combination of affectionate, friendly, an…
Love All Animals • Dana Point, CA
10+ years
Senior confirmed
SANDY
SANDY is a senior female Jack Russell Terrier (Parson Russell Terrier), small in size, at Harbor Animal Care and Control Center in San Pedro, CA. Seni…
Harbor Animal Care and Control Center • San Pedro, CA
10+ years
Jost Van Dyke Vacation
Meet Jost Van Dyke (but you can call him Van!) Breed: Terrier Mix (Likely Dachshund/Rat Terrier / Jack Russell blend) Age: 10 years young Weight: 18 l…
Umbrella of Hope • Pittsburg, CA
10+ years
McMuffin
Apply to adopt by clicking on the link below http://www.wagsandwhiskerspetrescue.com/adopt.html Thank you so much for looking into wags and whiskers f…
Wags and Whiskers Pet Rescue • Chico, CA
10+ years
Danyon
This pet is in a foster home. Please call to schedule an appointment. Meet Danyon! This sweet gentleman is a Jack Russell Terrier mix looking for a ca…
Wags and Whiskers Pet Rescue • Chico, CA
Senior Jack Russell Terrier dogs in other states
Other senior dogs in California by breed
Adopting a senior Jack Russell Terrier in California — 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 California?
Open any dog's profile to see the shelter or rescue caring for them in California, 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 California?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Jack Russell Terrier in California right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Jack Russell Terrier from California if I live elsewhere?
Often, yes. Many rescues and shelters in California 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 California who needs a home?
Shelters and rescues can list adoptable senior dogs for free.