10+ years
WATSON
Hi everyone! My name is Watson, and I'm a super sweet boy looking for my forever home. I have a great history with kids, cats, and dogs, and I absolut…
Larimer Humane Society • Fort Collins, CO
Senior dogs in Colorado
Senior dogs for adoption in Colorado
Meet 95 adoptable senior dogs (age 7+) in Colorado. Each one is from a shelter or rescue and ready to give an older dog's quiet, grateful love. Showing 61–90 of 95 below.
Last updated July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
Senior dogs — age 7 and up — wait far longer for homes than puppies, even though they're usually already house-trained, past the chewing stage, and happy to nap at your feet. Adopting an older dog in Colorado means you typically know their size, temperament, and energy level from day one: fewer surprises, and a grateful companion who settles in fast. Always confirm availability and adoption requirements directly with the shelter or rescue.
Available senior dogs in Colorado
Senior confirmed
LEELA
Meet Leela, a old girl with a young spirit. She will bring energy to your home.
Denver Animal Shelter • Denver, CO
Senior confirmed
FOREST
Forest is a sweet medium sized pup with energy abound! She previously lived well with another dog and did well meeting a new dog friend here at the sh…
Denver Animal Shelter • Denver, CO
Senior confirmed
BANDIT
Hi, I am Bandit. I am a sweet and gentle older pup looking for a home. I like to cuddle, play with toys and go on walks. I can be nervous around new p…
Larimer Humane Society • Fort Collins, CO
Senior confirmed
Milo
Milo is an 8 yrs old, 46 lbs Aussie who is seeking an adult home with active people who enjoy spending time outdoors walking, hiking, running, skiing,…
Mountain Pet Rescue • Tabernash, CO
Senior confirmed
CHICA
Hi, I'm Chica! I'm a sweet and affectionate girl who loves being close to my people. If you're looking for a loyal cuddle buddy, I'm your gal! I'm a b…
Larimer Humane Society • Fort Collins, CO
Senior confirmed
KAI
Meet this friendly boy, an energetic sweetheart who loves attention and never turns down a game of fetch. He’s potty trained, crate trained, and alway…
Adams County Animal Shelter • Brighton, CO
10+ years
KODA
Meet Koda, a 10-year-old, neutered male, german shepherd mix weighing 50lbs. Koda is an energetic, friendly guy who loves to play with toys. Koda is g…
Summit County Animal Control • Frisco, CO
10+ years
Pinto
Pinto is an active 12-year-old shih tzu. He is very friendly with people and is thriving in a multi-dog household. He can use the dog door, was very w…
San Nicola Dog Rescue • westminster, CO
Senior confirmed
Theo
Meet Theo! Theo is a 9-year-old, 9-pound Chihuahua with the sweetest, most tender heart. This little guy is gentle, loving, and happiest when he’s clo…
The Misfits Dog Rescue • Colorado Springs, CO
Senior confirmed
Brie
Meet Brie Brie is a petite Toy Fox Terrier mix with a striking black-and-white piebald coat that’s short, soft, and barely sheds. At just 5 pounds, sh…
Evergreen Animal Protective League • Evergreen, CO
Senior confirmed
Bandit
A COMPLETED APPLICATION IS REQUIRED BEFORE ANY CONVERSATION ABOUT ADOPTING FROM OUR ORGANIZATION. PLEASE GO TO OUR WEBSITE AT www.colliesheltierescue.…
Rocky Mountain Collie and Sheltie Rescue, Inc. • Pueblo West, CO
10+ years
Zeke
Zeke is a quiet gentleman looking for a home to spend his golden years. He enjoys sunbathing, short leisurely walks and naps in a comfy bed. Zeke woul…
HOPE FOR ANIMALS (formerly CCCARL; Clear Creek County Animal Rescue League) • Georgetown, CO
10+ years
Billy
Meet Billy! He is 10 years old, neutered, chipped and up to date on shots and just had a dental last month. Billy is HILARIOUS and has a zest for life…
HOPE FOR ANIMALS (formerly CCCARL; Clear Creek County Animal Rescue League) • Georgetown, CO
Senior confirmed
Raney
Important Information Please read! If you are interested in me after reading about me, please visit my site, http://www.breederadoptions.org and follo…
Breeder Release Adoption Service • Bon Carbo, CO
10+ years
Jake
At 15 years old, Jake the Chihuahua mix has every reason to have given up — but that’s just not who he is. Jake was found wandering alone during a rai…
The Misfits Dog Rescue • Colorado Springs, CO
10+ years
Liv
Meet Liv! Liv is a 10-year-old Australian Cattle Dog/Blue Heeler — but don't let that number fool you for a second. She plays just as hard as Marlee, …
Evergreen Animal Protective League • Evergreen, CO
Senior confirmed
LOLA
Lola is a 7-year-old, spayed female, pitbull mix weighing about 50lbs. Lola was in a loving home, but they struggled to deal with her dog reactivity. …
Summit County Animal Control • Frisco, CO
Senior confirmed
Minnie
Meet Minnie! She is an 8 year old lab mix. This sweet, lazy gal is looking for a new home to call her own. She does well with other dogs, but may pref…
Until They're Home • Fort Collins, CO
10+ years
Bubba
Bubba Things you’ll love: Bubba is smart and very loyal to his people. He really loves to lay down at the foot of the bed and spoon with a human which…
Until They're Home • Fort Collins, CO
10+ years
Maxie
This sweet gal is Maxie. Maxie lost her owner and ended up in a shelter. She had been through so much and when she came to us, we found out she was He…
HOPE FOR ANIMALS (formerly CCCARL; Clear Creek County Animal Rescue League) • Georgetown, CO
Senior confirmed
Kylie
Meet Kylie! Kylie is a 7 year old cattle dog looking for a new home. She has lots of energy and loves to be the center of attention! She can do well w…
Until They're Home • Fort Collins, CO
10+ years
ROSELLA
Rosella is a 13-year-old, spayed female, pitbull mix weighing about 50lbs. When she first arrived, we thought she was terminally ill…but she has prove…
Summit County Animal Control • Frisco, CO
10+ years
Tripp & Colton
Information Please read! If you are interested in me after reading about me, please visit my site, http://www.breederadoptions.org and follow the inst…
Breeder Release Adoption Service • Bon Carbo, CO
Senior confirmed
Tyche
Meet Tyche, a delightful senior dog who is ready to steal your heart! At 10 years old, she brings a wealth of love and loyalty, and she’s looking for …
Until They're Home • Fort Collins, CO
Senior confirmed
Watson
Meet Watson: A Heartfelt Companion Seeking a Calm Home** Watson is a unique dog with soulful eyes, a love for routine, and a passion for training. He’…
Until They're Home • Fort Collins, CO
Senior confirmed
Pops #1
Animal Rescue of the Rockies believes every pet should find a wonderful and caring home. To ensure Pops finds the best possible home, we ask you fill …
Animal Rescue of the Rockies • Aurora, CO
Senior confirmed
Averi
My name is Averi and I am an independent girl. I like to spend my days being lazy on the couch in and out of naps or sun bathe outside protecting my h…
Until They're Home • Fort Collins, CO
Senior confirmed
Fenway #1
Animal Rescue of the Rockies believes every pet should find a wonderful and caring home. To ensure Fenway finds the best possible home, we ask you fil…
Animal Rescue of the Rockies • Aurora, CO
Senior confirmed
Toby
Meet Toby, an 8-year-old bundle of love and relaxation! Toby is a laid-back canine companion who thrives on snuggles and cozy moments. With his gentle…
Until They're Home • Fort Collins, CO
Senior dogs in Colorado by breed
Senior dogs in Colorado by city
Shelters & rescues with senior dogs in Colorado
These organizations currently have at least one adoptable senior dog listed on Lily's Second Chance.
- Until They're Home — Fort Collins, Colorado · See Until They're Home’s senior dogs on Lily's Second Chance
- Denver Animal Shelter — Denver, Colorado · See Denver Animal Shelter’s senior dogs on Lily's Second Chance
- Larimer Humane Society — Fort Collins, Colorado · See Larimer Humane Society’s senior dogs on Lily's Second Chance
- Humane Society of the Pikes Peak Region — Pueblo — Pueblo, Colorado · See Humane Society of the Pikes Peak Region — Pueblo’s senior dogs on Lily's Second Chance
- Evergreen Animal Protective League — Evergreen, Colorado · See Evergreen Animal Protective League’s senior dogs on Lily's Second Chance
- Summit County Animal Control — Frisco, Colorado · See Summit County Animal Control’s senior dogs on Lily's Second Chance
- Adams County Animal Shelter — Brighton, Colorado · See Adams County Animal Shelter’s senior dogs on Lily's Second Chance
- Aurora Animal Care — Aurora, Colorado · See Aurora Animal Care’s senior dogs on Lily's Second Chance
- Dumb Friends League — Denver, Colorado · See Dumb Friends League’s senior dogs on Lily's Second Chance
- Mountain Pet Rescue — Tabernash, Colorado · See Mountain Pet Rescue’s senior dogs on Lily's Second Chance
- Animal Rescue of the Rockies — Aurora, Colorado · See Animal Rescue of the Rockies’s senior dogs on Lily's Second Chance
- HOPE FOR ANIMALS (formerly CCCARL; Clear Creek County Animal Rescue League) — Georgetown, Colorado · See HOPE FOR ANIMALS (formerly CCCARL; Clear Creek County Animal Rescue League)’s senior dogs on Lily's Second Chance
- Old Soul Canine Rescue — Nederland, Colorado · See Old Soul Canine Rescue’s senior dogs on Lily's Second Chance
- Breeder Release Adoption Service — Bon Carbo, Colorado · See Breeder Release Adoption Service’s senior dogs on Lily's Second Chance
- Golden Growls Senior Rescue — Loveland, Colorado · See Golden Growls Senior Rescue’s senior dogs on Lily's Second Chance
- San Nicola Dog Rescue — westminster, Colorado · See San Nicola Dog Rescue’s senior dogs on Lily's Second Chance
- The Misfits Dog Rescue — Colorado Springs, Colorado · See The Misfits Dog Rescue’s senior dogs on Lily's Second Chance
- White Rose Sanctuary — Colorado Springs, Colorado · See White Rose Sanctuary’s senior dogs on Lily's Second Chance
- Colorado Corgis and Friends — Denver , Colorado · See Colorado Corgis and Friends’s senior dogs on Lily's Second Chance
- Rocky Mountain Collie and Sheltie Rescue, Inc. — Pueblo, Colorado · See Rocky Mountain Collie and Sheltie Rescue, Inc.’s senior dogs on Lily's Second Chance
- Rocky Mountain Great Dane Rescue — Lakewood, Colorado · See Rocky Mountain Great Dane Rescue’s senior dogs on Lily's Second Chance
- Saving Dobermankind Animal Rescue — Fountain , Colorado · See Saving Dobermankind Animal Rescue’s senior dogs on Lily's Second Chance
Senior dogs in other states
Adopting a senior dog 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 dog in Colorado?
Open any dog's profile to see which shelter or rescue is caring for them, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance gathers senior dogs in one place so they're easier to find — the adoption itself happens through the local group.
How much does it cost to adopt a senior dog in Colorado?
Adoption fees vary by organization, but senior dogs are frequently discounted or sponsored because they wait the longest. Many rescues also begin any needed medical care before adoption. The dog's profile or the shelter can confirm the current fee.
Are senior dogs harder to care for?
Usually not. Older dogs are typically calmer and already trained, which makes the first weeks far easier than with a puppy. Some have age-related needs like a special diet or joint support, and the listing or shelter will tell you what to expect.
Can I adopt a senior dog from another city in Colorado?
Yes. Most shelters and rescues in Colorado welcome adopters from anywhere in the state, and some can arrange transport within Colorado for the right match. Open a dog's profile to see the organization's contact details and ask them directly how their process works.
What should I expect in the first weeks after adopting a senior dog in Colorado?
Senior dogs usually settle in faster than puppies because they're already past the most demanding stage. Expect a brief adjustment period — they may be shy at first, then relax into their personality. A consistent routine, a comfortable spot to rest, and patience are usually all it takes.
Can I foster a senior dog in Colorado instead of adopting?
Many shelters and rescues in Colorado offer foster programs — sometimes with a foster-to-adopt path so you can try the match before committing. Fostering is especially valuable for senior dogs because it gets them out of a kennel and into a calm home while they wait for their forever family. Ask the organization on any dog's profile whether fostering is available.
Are senior dogs good with children or other pets in a Colorado home?
Many senior dogs are calm, gentle, and well-suited to family life — but it depends on the individual dog more than anything else. The shelter or rescue caring for each dog can tell you their specific history with children, cats, and other dogs before you apply. Many organizations offer meet-and-greets to make sure the match is right for everyone.
Know a senior dog in Colorado who needs a home?
Shelters and rescues can list adoptable senior dogs for free.