10+ years
Toby
PLEASE NOTE: This dog is courtesy posted for another individual or Rescue. Different policies and fees may apply. FOSTER NEEDED: Meet Toby – A Loyal S…
Forever Friends Humane Society • phoenix, 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 181–210 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
Kara El
My name is Kara El. I am a spayed female, brown and white American Pit Bull Terrier.
Pima Animal Care Center • Tucson, AZ
Senior confirmed
Bruce
My name is Bruce. I am a neutered male, fawn and white Pit Bull Terrier.
Pima Animal Care Center • Tucson, AZ
Senior confirmed
MR PIBB
Maricopa County Animal Care & Control - East Valley Animal Care Center • Mesa, AZ
10+ years
PENNY #8
MEET PENNY #8!!! Penny was found in an abandoned motel room with eight cats and her brother. She likes to sit in your lap or next to you. She loves to…
Underdog Rescue of Arizona, LLC • Chandler, AZ
At Risk
THOR #8
MEET THOR #8! Thor is a 64 lb senior sweetheart with a big heart. Found tied to a park bench and later placed on the euthanasia list at county shelter…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
Eve
EVE Eve is a small sweet Puggle (pug and beagle) the vet estimates is 6 yrs. old and is 22 pounds with long legs. She's a lovebug and wants to cuddle …
Southern Arizona Beagle Rescue • Tucson, AZ
Senior confirmed
JACK #11
MEET JACK #11!!! Jack is a sweet boy. He does love to play! Jack loves to learn and learns new things quickly! Jack is not real fond of strangers so h…
Underdog Rescue of Arizona, LLC • Chandler, AZ
Senior confirmed
Lilly
Lilly is a great dog, she is loving, house broken, and doesn't have a single mean bone in her body. She is very timid and shy. She has tried to jump t…
The Big Mutt Network • Vail, AZ
10+ years
Guinness
PHOENIX METRO AREA ONLY** FOSTER OR ADOPTER NEEDED! Hi everyone… I’m Guinness! ❤️ Yes, that Guinness — which must mean I hold the world record for hav…
Pathways Home Animal Rescue • Phoenix, AZ
Senior confirmed
Fiona (foster needed)
Fiona (foster needed) is a senior female Boerboel Mastiff, X-Large, located in Vail, AZ with The Big Mutt Network. Senior dogs make wonderful companio…
The Big Mutt Network • Vail, AZ
10+ years
Barry
Barry is a 10-year-old male Saint Bernard at The Big Mutt Network in Vail, AZ. Senior dogs make wonderful companions.
The Big Mutt Network • Vail, AZ
Senior confirmed
Christina (bonded with Duke) (foster needed)
Christina is a 7 years 1 month old senior female Mastiff from Vail, AZ, currently with The Big Mutt Network. She is bonded with Duke and needs a foste…
The Big Mutt Network • Vail, AZ
10+ years
Baby
Hi everyone! My name is Baby and I am a sweet, laid-back 12-year-old, 8-pound female Apple Head Chihuahua. As a senior, I am looking for a quiet home.…
Help A Dog Smile • Phoenix, AZ
Urgent Need
Rosco
HOW DO YOU WAIT FIVE YEARS... AND STILL KEEP SMILING? My name is Roscoe, and I'm still waiting. Not because I'm a bad dog. Not because I don't know ho…
Forever Friends Humane Society • phoenix, AZ
Senior confirmed
Lucious
Lucious is a large male senior Labrador Retriever at The Big Mutt Network in Vail, AZ. Senior dogs make wonderful companions.
The Big Mutt Network • Vail, AZ
Senior confirmed
Gilly
Meet Gilly – Your Loyal, One-of-a-Kind Companion Is Waiting Are you ready to open your heart and home to a dog who has been patiently waiting far too …
Central Arizona Animal Rescue • San Tan Valley, AZ
10+ years
Justin
Meet Justin!!! He is looking for his fur-ever hero to adopt him. We think he is about 10-12 years old and would need a home that understands his needs…
Cool Cats Rescue • Phoenix, AZ
Senior confirmed
Cheeba
Cheeba is a 7-year-old female Cane Corso Mastiff at The Big Mutt Network in Vail, AZ, available for adoption. Senior dogs make wonderful companions.
The Big Mutt Network • Vail, AZ
Senior confirmed
Molly
Meet Molly (you may remember her as “Rita”) – a gorgeous black Shar-Pei with a heart full of love and just enough wrinkles to prove she’s wise beyond …
Pei People Shar Pei Rescue, Inc • Tucson, AZ
10+ years
Dale
Meet Dale! A dog whose story is one of strength, determination, and endless affection. Dale’s journey began in Costa Rica, where he survived being hit…
Back The Blue Pet Rescue • Queen Creek, AZ
Senior confirmed
Senior confirmed
Scotch
Scotch is a senior female Leonberger / Great Pyrenees, X-Large, located in Vail, AZ with The Big Mutt Network. Senior dogs make wonderful companions.
The Big Mutt Network • Vail, AZ
Senior confirmed
Duke (bonded with Christina) (foster needed)
Duke is an 8 years 1 month old male Mastiff at The Big Mutt Network in Vail, AZ. He is bonded with Christina and needs a foster. Senior dogs make wond…
The Big Mutt Network • Vail, AZ
10+ years
Petey
Petey is an approximately eight to nine year old male Chihuahua mix. He is neutered, current on vaccinations and microchipped. Petey gets along with t…
Chi Town Rescue • Phoenix, AZ
Senior confirmed
10+ years
Utah
Meet Utah! Utah is currently at Chi Town Rescue waiting for a special foster or forever home. Utah originally came to the rescue years ago with a few …
Chi Town Rescue • Phoenix, AZ
Senior confirmed
Betty
COURTESY POST Meet Betty. Betty is a stunningly gorgeous GSD. Betty is 5 years-old and is a very large GSD. Betty has many wonderful qualities, she is…
Help A Dog Smile • Phoenix, AZ
Senior confirmed
Blue (Bonded with Bear)
Bonded with Bear Classic velcro, do anything for love, goofball Dane!
The Big Mutt Network • Vail, AZ
Senior confirmed
Wiley
Meet Wiley! Wiley is named for his wiley ability to avoid the humans when he was running around the streets. We'll get to that story in a bit, but fir…
Chi Town Rescue • 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.