Senior confirmed
Delilah
Size: Medium Personality: Affectionate / Playful / Calm / Shy / Sensitive Energy Level: ModeratePeople: Warms up with time / Shy with new people Dogs:…
Humane Society of Carroll County, Inc. • Westminster, MD
Senior Border Collie dogs in Maryland
Senior Border Collie dogs for adoption in Maryland
Meet 1 adoptable senior Border Collie dog (age 7+) in Maryland. Each one is from a shelter or rescue and ready for a calm, loving home.
Older Border Collies 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 Border Collie in Maryland means welcoming a calm, grateful companion who can settle in from day one. Adopters browsing senior Border Collies in Maryland are often also looking at Pit Bull Terrier and Mixed Breed listed here. Senior Border Collies are also listed in 15 other states if you can travel for the right match.
Last updated November 7, 2026 at 7:45 AM EST. Listings refresh throughout the day. Always confirm a dog’s availability with the shelter or rescue before making plans.
Available senior Border Collie dogs in Maryland
1 senior Border Collie dog available in Maryland.
Senior Border Collie dogs in other states
Other senior dogs in Maryland by breed
Senior dogs in Maryland by city
Adopting a senior Border Collie in Maryland — 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 Border Collie in Maryland?
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 Border Collies in one place so they're easier to find.
Are there always senior Border Collie dogs available in Maryland?
Availability changes often as dogs are adopted and new ones are listed. If you don't see a senior Border Collie in Maryland right now, check back soon or browse nearby states — new dogs are added regularly.
Can I adopt a senior Border Collie from Maryland if I live elsewhere?
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.
Guides to help you decide
Getting started
Why Adopt a Senior Dog? 7 Reasons Older Dogs Make Wonderful Companions
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 ageHow Old Is a "Senior" Dog? Senior Age by Breed and Size
A 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 & healthCaring for a Senior Dog: Health, Diet, and Everyday Comfort
How 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 readKnow a senior Border Collie in Maryland who needs a home?
Shelters and rescues can list adoptable senior dogs for free.