Our locations
Rockville office | Washington, D.C. office |
15201 Diamondback Drive Hours of operation:
*The Rockville office is only open the first Saturday of the month. On-site parking is available.
| 1615 New Hampshire Avenue, NW Hours of operation:
|
Department contact information
If you would like to contact GCAAR, please reach out to one of the following departments:
Billing services
Communications
Education
301-590-8786
Events
301-590-8776
GCAAR contract forms assistance
Government Affairs
Member Services
301-590-8769
New member applications
301-590-8769
Professional Standards
GCAAR holidays
Both GCAAR offices will be closed on the following holiday observances in 2026:
- New Years Day - January 1
- Martin Luther King, Jr. Day - January 19
- Presidents' Day - February 16
- Memorial Day - May 25
- Juneteenth - June 19
- Independence Day - July 4
- Labor Day - September 7
- Election Day - November 3
- Thanksgiving Day - November 26
- Friday after Thanksgiving - November 27
- Christmas Day - December 25