25 cute Leonberger puppies for sale in Gaithersburg, Maryland | Good Dog

Search a breed

Why Good Dog

Find Leonberger puppies for sale near Gaithersburg, MD

Life is better with a dog.

Good Dog is raising the bar for how people bring dogs into their lives. We connect you with a national network of trusted breeders, shelters, and rescues that put health and care first. With clear guidance, safe payments, and the standards dogs deserve, we help you search responsibly and bring home the right dog the right way.

About us

Our company
Our mission
Non-discrimination
Help

Find a dog

Join or log in
Learning Center
Standards and screening
Dog owner policies
Pet insurance

For breeders

Join or log in
About our breeders
Health testing levels
Good Breeder Center
The Good Dog Pod

For shelters

Join
Good Shelters & Rescues
Shelter Code of Ethics

About us

Our company
Our mission
Non-discrimination
Help

Find a dog

Join or log in
Learning Center
Standards and screening
Dog owner policies
Pet insurance

For breeders

Join or log in
About our breeders
Health testing levels
Good Breeder Center
The Good Dog Pod

For shelters

Join
Good Shelters & Rescues
Shelter Code of Ethics

© 2026 Good Dog