Senior confirmed
Luke (MY26-20)
Roadside Rescue · Colorado · Not Good with Cats · Adult-Only Home Preferred
National Mill Dog Rescue • Colorado Springs, CO
Senior Mixed Breed dogs in Colorado
Senior Mixed Breed dogs for adoption in Colorado
Meet 4 adoptable senior Mixed Breed dogs (age 7+) in Colorado. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Mixed Breeds in Colorado 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 Mixed Breed in Colorado means welcoming a calm, grateful companion who can settle in from day one.
Last updated August 20, 2026 at 10:26 PM EDT. Listings refresh automatically, usually every 12 hours.
Senior confirmed
Zella
: Constant Companion · : Couch Potato · Calm Dog Friends Preferred · Cats - Possibly · Dogs - Yes Please
Colorado Animal Rescue • Glenwood Springs, CO
Senior confirmed
Blue
: Free Spirit · Calm Dog Friends Preferred · Cats - No thank you · Kids - Yes please · Grooming Required
Colorado Animal Rescue • Glenwood Springs, CO
10+ years
Senior Mixed Breed dogs in other states
Other senior dogs in Colorado by breed
Adopting a senior Mixed Breed in Colorado — 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 Mixed Breed in Colorado?
Open any dog's profile to see the shelter or rescue caring for them in Colorado, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers senior Mixed Breeds in one place so they're easier to find.
Are there always senior Mixed Breed dogs available in Colorado?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Mixed Breed in Colorado right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Mixed Breed from Colorado if I live elsewhere?
Often, yes. Many rescues and shelters in Colorado 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 Mixed Breed in Colorado who needs a home?
Shelters and rescues can list adoptable senior dogs for free.