Monday 10am – 6pm
Tuesday CLOSED
Wednesday 10am – 6pm
Thursday 10am – 3pm
Friday 10am – 4pm
Saturday 11am – 7pm
Sunday CLOSED
Phone (240) 683-5555
If you are in need of support our warm line number is
1-877-794-7337 (PEER)
Contact us by email
434 East Diamond Avenue, Gaithersburg MD 20877
The Ride-On-Bus routes that drop off closest to OOOMC are:
Ride-On-Bus 57
and
Ride-On-Bus 61
FROM THE SOUTH
Take I-270 North to Exit 10. Turn left at the bottom of the exit ramp onto West Diamond Avenue. Stay on West Diamond Avenue, until it intersects Summitt Avenue. Turn left onto Summit Avenue. At the second stoplight, turn right onto East Diamond Avenue. Continue on East Diamond. We are located in a white building with a green oval sign on the left.
FROM THE NORTH
Take I-270 South to Exit 9/Sam Eiq Highway. Turn right onto Diamondback Drive. At the light turn right onto Muddy Branch Road. Muddy Branch will end at West Diamond Avenue. Turn right onto West Diamond Avenue. Stay on West Diamond Avenue, until it intersects Summit Avenue. Turn left onto Summit Avenue. At the second stoplight, turn right onto East Diamond Avenue. We are located in a white building with a green oval sign on the left.