National Map >  Region 11: National Capital >  Maryland >  District 08 > MD0802 HELP GSA Building Stats   1 CHOKE CHERRY ROAD 1 CHOKE CHERRY ROAD ROCKVILLE , MD 20850-4030 For information on properties in Region 11, contact: Anthony Pagonis 202-260-0751 202-260-0751 Tony.Pagonis@gsa.gov Representative: Van Hollen, Chris  (D)  Representative URL: http://vanhollen.house.gov/ Senator: Cardin, Benjamin L. (D) Senator URL: http://cardin.senate.gov/ Senator: Mikulski, Barbara A. (D) Senator URL: http://mikulski.senate.gov/ Lease Details Lease Code Initial Effective Date Expiration Date Usable Sq Feet Status LMD01638 8/27/2004 8/26/2014 213932 Active   Square Footage Building Rentable SF: 228020 Leased Usable SF: 213932 Available Space: 0