Office Locations, Agency Holidays and Emergency Line

Main Office

10400 Detrick Avenue
Kensington, MD 20895-2484
240.627.9400
Hours of operation:
M-F, 8:30 a.m. – 5:00 p.m.

East Deer Park Office

231 East Deer Park Drive
Gaithersburg, MD 20877
240.627.9400
Hours of operation:
M-F, 8:30 a.m. – 5:00 p.m.

Derwood Service Center

16105 Columbus Avenue, Suite #200
Derwood, MD 20855
240.627.9400
Hours of operation:
M-F, 8:30 a.m. – 5:00 p.m.

Silver Spring Service Center

880 Bonifant Street
Silver Spring, MD 20910
240.627.9400
Hours of operation:
M-F, 8:30 a.m. – 5:00 p.m.

(Including Holidays)

HOC Emergency Telephone Line – 866-557-4792

During inclement weather and other emergencies, call HOC’s Emergency line for the most current information on agency delays and closures.

Community Partners