National Map >  Region 7: Greater Southwest >  Texas >  District 29 > TX2184 HELP GSA Building Stats   650 SAM HOUSTON PKWY E 650 SAM HOUSTON PKWY E HOUSTON , TX 77060-5906 For information on properties in Region 7, contact: Patti Tilson 817-978-2703 817-978-2703 patti.tilson@gsa.gov Representative: Green, Gene  (D)  Representative URL: http://www.house.gov/green/ Senator: Cornyn, John (R) Senator URL: http://cornyn.senate.gov/ Senator: Hutchison, Kay Bailey (R) Senator URL: http://hutchison.senate.gov/ Lease Details Lease Code Initial Effective Date Expiration Date Rentable Sq Feet Status LTX14847 5/2/2000 4/30/2010 4145 Active LTX15393 2/1/2004 1/31/2014 3046 Active   Square Footage Building Rentable SF: 7191 Leased Rentable SF: 7191 Available Space: 0