BWI Marshall Airport has family restrooms in many locations throughout the terminal building.
There are five on Concourse A – one before security between security and M&T Bank (equipped with an adult changing table), one in Baggage Claim, one just past security near Fly Dog Tap House, near Gates A9 and A12.
There are five family restrooms on Concourse B – one at security, one near Silver Diner, one at gate B2, another at gate B7 and one at Baggage Claim belt #5.
Concourse C has one family restroom – at gate C7.
There is one family restroom in the B/C Connector (equipped with an adult changing table).
There are three near Concourse D – one is in the upper level back hallway near Hudson News, one in the back hallway behind the Delta Air Lines ticket counter, and one at gate D7 (equipped with an adult changing table).