Senior confirmed
Big Papa (I Have a Secret Crush!)
Lived with/Good with Cats · Housetrained · Tested well with some dogs but may be dog selective
PAWS Atlanta • Decatur, GA
Senior Mixed Breed dogs
Senior Mixed Breed dogs for adoption
Meet 235 adoptable senior Mixed Breed dogs (age 7+) from shelters and rescues across the country. Older dogs are often calm, house-trained, and ready to love from day one. Showing 211–235 of 235 below.
Senior Mixed Breeds are often overlooked in favor of puppies, yet they're frequently house-trained, settled in temperament, and ready to bond immediately. Because they're fully grown, you already know roughly how big they are and what they're like — making an older Mixed Breed one of the most predictable and rewarding dogs you can welcome home.
Last updated July 12, 2026 at 9:30 AM EDT. Listings refresh automatically, usually every 12 hours.
Available senior Mixed Breed dogs
Senior confirmed
Mrs. Claus (I have a Secret Crush!)
Not Good with Cats · Single Dog Home · Housetrained · Tested Well with Kids
PAWS Atlanta • Decatur, GA
Senior confirmed
Senior confirmed
Charlotte (I Have a Secret Crush!)
Not Good with Cats · Single Dog Home · Housetrained
PAWS Atlanta • Decatur, GA
Senior confirmed
Cora (I Have a Secret Crush!)
Adult-Only Home Preferred · Not Good with Cats · Single Dog Home
PAWS Atlanta • Decatur, GA
10+ years
Sailor Mars (I Have a Secret Crush!)
Adult-Only Home Preferred · Needs Medication (long term) · Single Dog Home · Housetrained
PAWS Atlanta • Decatur, GA
Senior confirmed
Senior confirmed
Senior confirmed
Zeus
Appears House Trained · Appears Leash Trained · Medium Energy · Older Children Preferred
Humane Animal Partners • Wilmington, DE
Senior confirmed
Lucky Lucio
Appears House Trained · Appears Leash Trained · May Do Well with Children · Medium Energy · Low Energy
Humane Animal Partners • Wilmington, DE
Senior confirmed
Senior confirmed
Buster - Available in Foster
Meet Buster! Here's some things we've learned from his foster. Buster is the perfect blend of chill, playfulness and loyalty. He loves to play fetch a…
St. Hubert’s Animal Welfare Center • Madison, NJ
Senior confirmed
Betty
Betty is a female senior Retriever/Labrador mixed breed (medium) at Austin Pets Alive! in Austin, TX. Senior dogs make wonderful companions.
Austin Pets Alive! • Austin, TX
Senior confirmed
Senior confirmed
Wilson
Wilson is a male senior (7+ years) Terrier/American Staffordshire mixed-breed (medium) at Austin Pets Alive! in Austin, TX. Senior dogs make wonderful…
Austin Pets Alive! • Austin, TX
Senior confirmed
Bubble Boy
Bubble Boy is a male senior Maltese/mixed small breed (over 7 years) at Austin Pets Alive! in Austin, TX. Senior dogs make wonderful companions.
Austin Pets Alive! • Austin, TX
Senior confirmed
Dorothy Emerald
Dorothy Emerald is a female senior (age >7 years) Shepherd, Australian / mixed breed (medium) at Austin Pets Alive! in Austin, TX. Senior dogs make wo…
Austin Pets Alive! • Austin, TX
Senior confirmed
Senior confirmed
Sunshine Machine
Sunshine Machine is a male senior (>7 years) Poodle, Miniature / Mixed Breed (Small) at Austin Pets Alive! in Austin, TX. Senior dogs make wonderful c…
Austin Pets Alive! • Austin, TX
Senior confirmed
Senior confirmed
Urgent Need
Urgent Need
Monty
TOP Dog Ready · Crate-Trained · Housetrained · Ruff Tail Runner · Foster Needed - Urgent
Austin Pets Alive! • Austin, TX
Senior confirmed
10+ years
Zoe (GA)
Zoe (GA) should have been spending her golden years curled up on a couch, adored and protected. Instead, this 15 yearold Poodle mix spent her days liv…
Rescue Dogs Rock, Inc • New York, NY
Senior Mixed Breed dogs by state
Other breeds
Adopting a senior Mixed Breed — 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?
Open a dog's profile to see the shelter or rescue caring for them, then follow the adoption link or contact details to apply directly with that organization.
Are senior Mixed Breed dogs a good fit for first-time adopters?
Often, yes. An older Mixed Breed is usually past the high-energy puppy stage and may already know basic commands, which can make ownership easier to ease into. Each profile and shelter can tell you about that dog's individual personality and needs.
Why adopt a senior dog instead of a puppy?
Senior dogs are calmer, usually house-trained, and let you skip the chewing and sleepless nights — and because they are the hardest to place, adopting one can quite literally save a life that might otherwise run out of time.
Are senior Mixed Breed dogs good with children or other pets?
It depends on the individual dog more than the breed alone. Each dog's profile and the shelter or rescue caring for them can tell you about their history with kids, cats, or other dogs. Senior dogs are often calmer and more predictable than puppies, which can make reading compatibility easier before you commit.
How much does it cost to adopt a senior Mixed Breed?
Adoption fees vary by shelter and rescue, but senior dogs are frequently discounted or even sponsored — because they wait the longest, many organizations offer reduced fees or cover initial vet care. Open a dog's profile and ask the organization directly for their current fee and what it includes.
Can I foster a senior Mixed Breed instead of adopting?
Many shelters and rescues offer a foster program, sometimes with a foster-to-adopt path. Fostering a senior Mixed Breed gets them out of a kennel and into a calm home — which is especially beneficial for older dogs who find shelter life stressful. Ask the organization on any dog's profile whether fostering is an option.
Know a senior dog who needs a home?
Shelters and rescues can list adoptable senior dogs for free.