
Flossy
Operation Paws for Homes - Frederick, MD Transport • Frederick, MD
Senior Mixed Breed dogs in Maryland
Meet 23 adoptable senior Mixed Breed dogs (age 7+) in Maryland. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Mixed Breeds in Maryland are often passed over for puppies, yet they're usually house-trained, settled in temperament, and ready to bond right away — and because they're fully grown, you already know their size and personality. Adopting a senior Mixed Breed in Maryland means welcoming a calm, grateful companion who can settle in from day one.
Last updated October 18, 2026 at 8:44 AM EDT. Listings refresh throughout the day. Always confirm a dog’s availability with the shelter or rescue before making plans.
23 senior Mixed Breed dogs available in Maryland.

Operation Paws for Homes - Frederick, MD Transport • Frederick, MD

BARCS (Baltimore Animal Rescue & Care Shelter) • Baltimore, MD


This dog has been spayed/ neutered and is up to date on vaccines and preventatives
PetConnect Rescue • Potomac, MD

This dog has been spayed/ neutered and is up to date on vaccines and preventatives
PetConnect Rescue • Potomac, MD

This dog has been spayed/ neutered and is up to date on vaccines and preventatives · Good with Dogs · Good with Kids · House trained
PetConnect Rescue • Potomac, MD

This dog has been spayed/ neutered and is up to date on vaccines and preventatives
PetConnect Rescue • Potomac, MD

This dog has been spayed/ neutered and is up to date on vaccines and preventatives · Good with Dogs · Good with Kids · Crate Trained
PetConnect Rescue • Potomac, MD

People Friendly · Loves car rides · Fixed · Good with Kids · Good with Dogs · Housetrained · Low Energy · Walks well on leash
Reed's Rescue • Maryland, MD

Low Energy · Housetrained · Fixed · Good with larger dogs · Good with Kids · Not Good with Cats · capable of climbing stairs. · Food motivated · Loves…
Reed's Rescue • Maryland, MD





Operation Paws for Homes - Frederick, MD Transport • Frederick, MD



BARCS (Baltimore Animal Rescue & Care Shelter) • Baltimore, MD

Meet Calhan (Poe)! At 8 years old and 88 pounds, this handsome, beefy boy is a total gentle giant with a heart as big as he is. Poe is an affectionate…
BARCS (Baltimore Animal Rescue & Care Shelter) • Baltimore, MD

Low Energy · Fixed · Good with larger dogs · Good with Kids · Food motivated · Housetrained · Loves car rides · Loves to snuggle · Not Good with Cats …
Reed's Rescue • Maryland, MD

Operation Paws for Homes - Frederick, MD Transport • Frederick, MD

Good with Dogs · capable of climbing stairs. · Crate trained · Housetrained · People Friendly · Walks well on leash · Loves to snuggle
Reed's Rescue • Maryland, MD
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.
Open any dog's profile to see the shelter or rescue caring for them in Maryland, then use the adoption link or contact details to apply directly with that organization. Lily's Second Chance simply gathers senior Mixed Breeds in one place so they're easier to find.
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Mixed Breed in Maryland right now, check back soon or browse nearby states — new dogs are added regularly.
Often, yes. Many rescues and shelters in Maryland arrange or help coordinate transport for the right adopter, while others prefer a local meet-and-greet first. Open a dog's profile and ask the organization directly how their out-of-area adoption process works.
Senior dogs are often calm, house-trained, and overlooked at shelters. Here are seven honest reasons an older dog may be the best companion you ever bring home.
6 min readUnderstanding ageA dog is not "old" at the same age across the board — size and breed change everything. Here is how to tell when a dog becomes a senior, and what it means for care.
5 min readCare & healthHow to keep an older dog healthy and comfortable — vet care, senior-appropriate diet, joint and dental health, exercise, and simple home adjustments that make a big difference.
8 min readShelters and rescues can list adoptable senior dogs for free.