Senior confirmed
Mango & Papaya
Meet The Fruits! Mango and Papaya (AKA The Fruits) are 9-year old spayed female best friends looking for their forever home! Mango is an 8lb spunky ch…
Tucson Cold Wet Noses • Tucson, AZ
Senior dogs in Arizona
Senior dogs for adoption in Arizona
Meet 233 adoptable senior dogs (age 7+) in Arizona. Each one is from a shelter or rescue and ready to give an older dog's quiet, grateful love. Showing 151–180 of 233 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 Arizona 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 Arizona
Senior confirmed
SYLVESTER
SYLVESTER is a senior male American Pit Bull Terrier (large) at Maricopa County Animal Care & Control - West Valley Animal Care Center in Phoenix, AZ.…
Maricopa County Animal Care & Control - West Valley Animal Care Center • Phoenix, AZ
10+ years
HENSON
HENSON is a senior male American Pit Bull Terrier (large) at Maricopa County Animal Care & Control - West Valley Animal Care Center in Phoenix, AZ. Se…
Maricopa County Animal Care & Control - West Valley Animal Care Center • Phoenix, AZ
Senior confirmed
MICAH #4
Please note this dog is NOT an official Underdog dog, and you will be connected with the person who has the dog. Please Contact (Current Owner of Dog)…
Underdog Rescue of Arizona, LLC • Chandler, AZ
10+ years
DIABLO
DIABLO is a senior male American Pit Bull Terrier, medium size, at Maricopa County Animal Care & Control - East Valley Animal Care Center in Mesa, AZ.…
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
RESCUE
Please note this dog is NOT an official Underdog dog, and you will be connected with the person who has the dog. Please Contact (Current Owner of Dog)…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
GUNNAR
GUNNAR is a senior male American Pit Bull Terrier, large, at Maricopa County Animal Care & Control - West Valley Animal Care Center in Phoenix, AZ. Se…
Maricopa County Animal Care & Control - West Valley Animal Care Center • Phoenix, AZ
Senior confirmed
BUBBA
BUBBA is a senior male American Pit Bull Terrier, medium-sized, at Maricopa County Animal Care & Control - East Valley Animal Care Center in Mesa, AZ.…
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
SLATE
SLATE is a senior male American Pit Bull Terrier, large in size, located in Mesa, AZ. He is at Maricopa County Animal Care & Control - East Valley Ani…
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
Noelle
COURTESY POSTING - NOT A TUCSON COLD WET NOSES DOG - CONTACT OWNER BELOW Name: Noelle Age: 8.5 Years | Weight: 30 lbs Compatibility: Dogs & Cats OK N…
Tucson Cold Wet Noses • Tucson, AZ
Senior confirmed
HENRY #6
Please note this dog is NOT an official Underdog dog, and you will be connected with the person who has the dog. Please Contact (Current Owner of Dog)…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
LEWIS
LEWIS is a large male Akita / Husky senior at Maricopa County Animal Care & Control - East Valley Animal Care Center in Mesa, AZ. Senior dogs make won…
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
Senior confirmed
BANJO #2
Please note this dog is NOT an official Underdog dog, and you will be connected with the person who has the dog. Please Contact (Current Owner of Dog)…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
Lupita
My name is Lupita. I am a nine-year-old deer head Chihuahua mix and I’m around 9lbs. I was found as stray and there’s not much known about my past, bu…
Tucson Cold Wet Noses • Tucson, AZ
Senior confirmed
TUCKER #9
Tucker is a lovable, goofy boy with a huge heart and an even bigger desire to be close to his people. Leash trained, crate trained, and great in the c…
Underdog Rescue of Arizona, LLC • Chandler, AZ
10+ years
Rayna
Meet Rayna, a 10-year-old sweet, mellow, and incredibly loving girl who is vaccinated and spayed. Rayna came to our rescue when her previous owner cou…
2nd Chance Dog Rescue • Queen Creek, AZ
At Risk
Rosie
Meet Rosie – A Sweet Senior Girl Looking for Her Forever Home Rosie is an approximately 11-12-year-old sweetheart who was rescued from the MCACC eutha…
2nd Chance Dog Rescue • Queen Creek, AZ
10+ years
Armani
Meet Armani! This precious 90lb big boy is the sweetest dog you will ever meet and is looking for his forever home! He gets along perfectly with mello…
2nd Chance Dog Rescue • Queen Creek, AZ
Senior confirmed
Kolby
Meet Kolby — the sweetest 8-9year-old with pep in his step! Kolby is truly something special. This amazing boy is gentle, loving, and so affectionate …
2nd Chance Dog Rescue • Queen Creek, AZ
10+ years
Charlie
DOB: 08/31/15 28 lbs. White, coarse long coat Terrier mix Charlie is being fostered, so please call to make an appointment to see him. He is NOT at th…
For the Luv of Paws II, Inc. • Golden Valley, AZ
Senior confirmed
DAKOTA
MEET DAKOTA!!! Dakota is a sweet and loving girl who is eager to give lots of kisses. Dakota always has a smile on her face, with a wagging tail. When…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
Mia & Pickles
Our lovely bonded pair, Pickles and Mia.. Meet this inseparable bonded pair! These two gorgeous souls are on a beautiful journey of learning how to lo…
Tucson Cold Wet Noses • Tucson, AZ
Senior confirmed
Coco
PHOENIX METRO AREA ONLY* Meet Coco… this gentle, middle-aged Chihuahua sweetheart is searching for a soft place to land. At about 6 years old and 12 p…
Pathways Home Animal Rescue • Phoenix, AZ
10+ years
Tater & Queenie
COURTESY POST - NOT TCWN DOGS - CONTACT INFO AT BOTTOM *** Theres no two better than this duo! Meet Tater and Queenie, a senior pair who found themsel…
Tucson Cold Wet Noses • Tucson, AZ
Senior confirmed
CLETUS
MEET CLETUS: A smart boy looking for a quiet life. Are you looking for a dog who is content to be a couch potato during the day but an athlete in the …
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
BAILEY #17
Please note this dog is NOT an official Underdog dog, and you will be connected with the person who has the dog. Please Contact Ross, 480-395-0158, rl…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
STITCH #3
MEET STITCH!!! Stitch is a sweet, lovable pup who is equal parts playful and cuddly. He's a smart boy with a gentle heart and a big personality. He is…
Underdog Rescue of Arizona, LLC • Chandler, AZ
10+ years
Chewy
Say hello to Chewy! Chewy is an approximately nine-years-old and 15-pound Terrier/Pug mix, looking for his forever home through Chi Town Rescue. Chewy…
Chi Town Rescue • Phoenix, AZ
10+ years
ERNIE
MEET ERNIE!! Ernie is a senior Pug/Chihuahua mix with a heart full of love and a soul that’s ready to relax into retirement. At 35 pounds, this silver…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
JAX
Why I'd make a great companion: ~Arf! My name is Jax and I weigh 21 LBS! ~I can be a little timid, but underneath my shy exterior is the sweetest hear…
Arizona Humane Society - Campus for Compassion • Phoenix, AZ
Senior dogs in Arizona by breed
Senior dogs in Arizona by city
Shelters & rescues with senior dogs in Arizona
These organizations currently have at least one adoptable senior dog listed on Lily's Second Chance.
- Maricopa County Animal Care & Control - West Valley Animal Care Center — Phoenix, Arizona · See Maricopa County Animal Care & Control - West Valley Animal Care Center’s senior dogs on Lily's Second Chance
- Maricopa County Animal Care & Control - East Valley Animal Care Center — Mesa, Arizona · See Maricopa County Animal Care & Control - East Valley Animal Care Center’s senior dogs on Lily's Second Chance
- Underdog Rescue of Arizona, LLC — Chandler, Arizona · See Underdog Rescue of Arizona, LLC’s senior dogs on Lily's Second Chance
- Pima Animal Care Center — Tucson, Arizona · See Pima Animal Care Center’s senior dogs on Lily's Second Chance
- The Big Mutt Network — Vail, Arizona · See The Big Mutt Network’s senior dogs on Lily's Second Chance
- Arizona Humane Society - Campus for Compassion — Phoenix, Arizona · See Arizona Humane Society - Campus for Compassion’s senior dogs on Lily's Second Chance
- 2nd Chance Dog Rescue — Queen Creek, Arizona · See 2nd Chance Dog Rescue’s senior dogs on Lily's Second Chance
- Arizona Humane Society - Sunnyslope — Phoenix, Arizona · See Arizona Humane Society - Sunnyslope’s senior dogs on Lily's Second Chance
- Angels for Paws Rescue and Sanctuary — Maricopa, Arizona · See Angels for Paws Rescue and Sanctuary’s senior dogs on Lily's Second Chance
- Pima Animal Care Center — Tucson, Arizona · See Pima Animal Care Center’s senior dogs on Lily's Second Chance
- Help A Dog Smile — Phoenix, Arizona · See Help A Dog Smile’s senior dogs on Lily's Second Chance
- Tucson Cold Wet Noses — Tucson, Arizona · See Tucson Cold Wet Noses’s senior dogs on Lily's Second Chance
- Adopt A Dog Rescue — Phoenix, Arizona · See Adopt A Dog Rescue’s senior dogs on Lily's Second Chance
- Chi Town Rescue — Phoenix, Arizona · See Chi Town Rescue’s senior dogs on Lily's Second Chance
- hssaz.org · See hssaz.org’s senior dogs on Lily's Second Chance
- Lifeline Oro Valley Animal Rescue — Oro Valley, Arizona · See Lifeline Oro Valley Animal Rescue’s senior dogs on Lily's Second Chance
- Southwest Oasis Labrador Rescue — Tucson, Arizona · See Southwest Oasis Labrador Rescue’s senior dogs on Lily's Second Chance
- Forever Friends Humane Society — phoenix, Arizona · See Forever Friends Humane Society’s senior dogs on Lily's Second Chance
- Pathways Home Animal Rescue — Phoenix, Arizona · See Pathways Home Animal Rescue’s senior dogs on Lily's Second Chance
- Almost There: A Mom + Pups Rescue — Phoenix, Arizona · See Almost There: A Mom + Pups Rescue’s senior dogs on Lily's Second Chance
- Animal Rescue Friends Ltd — Mesa, Arizona · See Animal Rescue Friends Ltd’s senior dogs on Lily's Second Chance
- Arizona Boston Terrier Rescue — Scottsdale, Arizona · See Arizona Boston Terrier Rescue’s senior dogs on Lily's Second Chance
- Back The Blue Pet Rescue — Queen Creek, Arizona · See Back The Blue Pet Rescue’s senior dogs on Lily's Second Chance
- Canine Rescue Coalition — Goodyear, Arizona · See Canine Rescue Coalition’s senior dogs on Lily's Second Chance
Senior dogs in other states
Adopting a senior dog in Arizona — 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 Arizona?
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 Arizona?
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 Arizona?
Yes. Most shelters and rescues in Arizona welcome adopters from anywhere in the state, and some can arrange transport within Arizona 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 Arizona?
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 Arizona instead of adopting?
Many shelters and rescues in Arizona 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 Arizona 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 Arizona who needs a home?
Shelters and rescues can list adoptable senior dogs for free.