Senior confirmed
Biggie
Meet Biggie, a very friendly, sweet, and loving pup who is always happy to make new friends and share some affection! He has a history of living with …
Denver Animal Shelter • Denver, CO
Senior dogs near Denver
Senior dogs for adoption in Denver, Colorado
Meet 5 adoptable senior dogs (age 7+) in and around Denver. Each one is from a local shelter or rescue and ready to give an older dog's quiet, grateful love.
Senior dogs (age 7 and up) wait far longer for homes than puppies, even though they're usually house-trained, settled in temperament, and happy to nap at your feet. Adopting an older dog in and around Denver, Colorado means a grateful companion close to home — and often a shorter drive to meet them in person. Always confirm availability and adoption steps directly with the shelter or rescue.
Last updated September 24, 2026 at 2:23 PM EDT. Listings refresh throughout the day. Always confirm a dog’s availability with the shelter or rescue before making plans.
Available senior dogs in Denver, Colorado
5 senior dogs available in Denver, Colorado.
Senior confirmed
Mouse
This wonderful pup is happy go lucky and oh so fun! The volunteers and staff have nothing but wonderful things to say about him. He does need a home w…
Denver Animal Shelter • Denver, CO
10+ years
Millani
Millani is a sweet older gal with a clam relaxing atmosphere. She is sweet, easy to walk, and loves everyone. She did great meeting other dogs here at…
Denver Animal Shelter • Denver, CO
Senior confirmed
Mama
Hey sweet Mama! This girl is a friendly lovely lady. She gets very excited to go outside so be prepared with a leash and expect some initial pulling a…
Dumb Friends League • Denver, CO
Senior confirmed
Other cities in Colorado
Adopting a senior dog in Denver — 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 dog in Denver?
Open any dog's profile to see the shelter or rescue caring for them near Denver, Colorado, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers local senior dogs in one place so they're easier to find.
Are there always senior dogs available in Denver?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior dog in Denver right now, check back soon or browse all of Colorado — new dogs are added regularly.
How much does it cost to adopt a senior dog near Denver?
Adoption fees vary by organization, but senior dogs are frequently discounted or sponsored because they wait the longest. Open a dog's profile or contact the shelter or rescue directly for their current fee and any covered vet care.
What should I expect when I bring a newly adopted senior dog home?
Most senior dogs have a brief adjustment period — a few days to a couple of weeks — as they settle into a new home. They're often shy at first, then relax once they feel safe. A calm routine, a comfortable place to rest, and patience make the transition easier for both of you.
Know a senior dog near Denver who needs a home?
Shelters and rescues can list adoptable senior dogs for free.