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 181–210 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
Fennel, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Baltimore, MD

Fennel

Mixed Breed, Large (over 44 lbs fully grown) • ♀ Female • 8 years

Fennel is a gentle, sensitive girl looking for a patient adopter who will give her the time and space to feel safe. She may be a little shy at first, …

BARCS Animal Shelter • Baltimore, MD

Senior confirmed
Caesar, adoptable senior Mixed breed in Anderson, SC

Caesar

Mixed breed • ♂ Male • Large • 7 years

Meet Caesar! Caesar is a 7-year-old mixed-breed gentleman who has mastered the art of taking life one day at a time. With his sweet personality, he's …

Anderson County PAWS • Anderson, SC

Senior confirmed
Toast, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Baltimore, MD

Toast

Mixed Breed, Large (over 44 lbs fully grown) • ♀ Female • 7 years

Meet Toast, a 7-year-old, 70-pound sweetheart with a gentle soul and plenty of love to give. While she may be a little shy when first meeting new peop…

BARCS Animal Shelter • Baltimore, MD

Updated recently
Strudel, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Baltimore, MD

Strudel

Mixed Breed, Large (over 44 lbs fully grown) • ♀ Female • Senior

Meet Strudel! If you're looking for a dog who is gentle, easygoing, and truly effortless to live with, Strudel may be your perfect match. This sweet 7…

BARCS Animal Shelter • Baltimore, MD

Senior confirmed
Max, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Baltimore, MD

Max

Mixed Breed, Large (over 44 lbs fully grown) • ♂ Male • 7 years

Meet Max - a lovable, smushy-faced gentleman with a huge heart, an adorable bottom-tooth smile, and a deep devotion to his people. Max came to BARCS t…

BARCS Animal Shelter • Baltimore, MD

Senior confirmed
Molly, adoptable senior Mixed Breed, Large (over 44 lbs fully grown)/Hound in Seattle, WA

Molly

Mixed Breed, Large (over 44 lbs fully grown)/Hound • ♀ Female • 7 years

Molly (also known as Molly Moo Cow!) is just the cutest thing! If you're looking for a super friendly, fun loving, affectionate and loyal friend for l…

Seattle Animal Shelter • Seattle, WA

10+ years
Zeus, adoptable senior Mixed Breed (Large) in Providence, RI

Zeus

Mixed Breed (Large) • ♂ Male • 10 years

Zeus is an 8+ year-old male Mixed Breed (Large) at Providence Animal Rescue League in Providence, RI. Senior dogs make wonderful companions.

Providence Animal Rescue League • Providence, RI

10+ years
Scooby, adoptable senior Lhasa Apso / Mixed Breed (Small) in Providence, RI

Scooby

Lhasa Apso / Mixed Breed (Small) • ♂ Male • 12 years

Scooby is an 8+ years old male Lhasa Apso / Mixed Breed (Small) in Providence, RI at the Providence Animal Rescue League. Senior dogs make wonderful c…

Providence Animal Rescue League • Providence, RI

10+ years
Brandy, adoptable senior Terrier, Wirehaired / Mixed Breed (Small) in Providence, RI

Brandy

Terrier, Wirehaired / Mixed Breed (Small) • ♀ Female • 12 years

Brandy is an 8+ year-old female Wirehaired Terrier / Mixed Breed (Small) at Providence Animal Rescue League in Providence, RI. Senior dogs make wonder…

Providence Animal Rescue League • Providence, RI

Senior confirmed
Junior, adoptable senior Mixed Breed, Medium (up to 44 lbs fully grown) in Baltimore, MD

Junior

Mixed Breed, Medium (up to 44 lbs fully grown) • ♂ Male • 8 years

Meet Junior - a handsome gentleman looking for a soft place to land. Junior is the kind of dog who immediately settles into home life with an easy, st…

BARCS Animal Shelter • Baltimore, MD

Senior confirmed
Monroe, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Baltimore, MD

Monroe

Mixed Breed, Large (over 44 lbs fully grown) • ♀ Female • 8 years

Meet Monroe - a sweet, affectionate 8-year-old girl who is equal parts gentle cuddlebug and cheerful walking buddy, with a calm presence that makes he…

BARCS Animal Shelter • Baltimore, MD

Senior confirmed
Pac Man 3 (Kira), adoptable senior Mixed Breed, Large (over 44 lbs fully grown)/Boxer in Baltimore, MD

Pac Man 3 (Kira)

Mixed Breed, Large (over 44 lbs fully grown)/Boxer • ♀ Female • 7 years

Pac Man 3 (aka Kira) is a beautiful, sweet 7-year-old girl who is ready to find a home where she can relax and shine. She loves spending time outdoors…

BARCS Animal Shelter • Baltimore, MD

Senior confirmed
Cherry, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Spartanburg, SC

Cherry

Mixed Breed, Large (over 44 lbs fully grown) • ♀ Female • 7 years

Cherry is a 7-year-old mixed breed girl with a heart as sweet as her name! She's the perfect blend of playful and cozy, making her a wonderful additio…

Spartanburg Humane Society • Spartanburg, SC

Senior confirmed
Hank, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Spartanburg, SC

Hank

Mixed Breed, Large (over 44 lbs fully grown) • ♂ Male • 8 years

Hank is an 8-year-old mixed breed with a playful, energetic personality. He enjoys heading outside to play, stretch his legs, and take in the fresh ai…

Spartanburg Humane Society • Spartanburg, SC

Senior confirmed
Brutus, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Spartanburg, SC

Brutus

Mixed Breed, Large (over 44 lbs fully grown) • ♂ Male • 7 years

Brutus is a fun-loving guy who's ready to find his perfect home! He absolutely loves toys and can keep himself entertained with a good play session. B…

Spartanburg Humane Society • Spartanburg, SC

Senior confirmed
Toby, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Spartanburg, SC

Toby

Mixed Breed, Large (over 44 lbs fully grown) • ♂ Male • 7 years

Toby is a calm, older gentleman who's ready to find a loving home to spend his golden years in. He has a gentle nature and enjoys the simple things in…

Spartanburg Humane Society • Spartanburg, SC

10+ years
Gracie, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Spartanburg, SC

Gracie

Mixed Breed, Large (over 44 lbs fully grown) • ♀ Female • 10 years

Gracie is a truly special soul with so much love to give. At 10 years old, she carries a quiet wisdom and a gentle spirit that makes her incredibly un…

Spartanburg Humane Society • Spartanburg, SC

Senior confirmed
Tiger, adoptable senior Mixed Breed, Large (over 44 lbs fully grown) in Spartanburg, SC

Tiger

Mixed Breed, Large (over 44 lbs fully grown) • ♂ Male • 8 years

Tiger is an 8-year-old boy with a smart mind and a deeply loving heart. He forms strong bonds with his people and thrives in a home where he feels saf…

Spartanburg Humane Society • Spartanburg, SC

Senior confirmed
Theodore, adoptable senior Coonhound, Treeing Walker / Mixed Breed (Medium) in Charlottesville, VA

Theodore

Coonhound, Treeing Walker / Mixed Breed (Medium) • ♂ Male • 7 years

Theodore is a senior male Coonhound, Treeing Walker / mixed breed (medium) at Charlottesville-Albemarle SPCA in Charlottesville, VA. Senior dogs make …

Charlottesville-Albemarle SPCA • Charlottesville, VA

10+ years
Buddy, adoptable senior Terrier, Pit Bull / Mixed Breed (Large) in Charlottesville, VA

Buddy

Terrier, Pit Bull / Mixed Breed (Large) • ♂ Male • 11 years

Buddy is a senior male Terrier/Pit Bull mixed breed (large) at Charlottesville-Albemarle SPCA in Charlottesville, VA. Senior dogs make wonderful compa…

Charlottesville-Albemarle SPCA • Charlottesville, VA

Senior Mixed Breed dogs by state

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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.