National Map >  Region 7: Greater Southwest >  Texas >  District 18 > TX2502 HELP GSA Building Stats   3838 N. SAM HOUSTON PARKWAY E. SUITE 510 3838 N. SAM HOUSTON PARKWAY E. SUITE 510 HOUSTON , TX 77032-3400 For information on properties in Region 7, contact: Patti Tilson 817-978-2703 817-978-2703 patti.tilson@gsa.gov Representative: Jackson Lee, Sheila  (D)  Representative URL: http://jacksonlee.house.gov/ 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 LTX16447 12/1/2007 11/30/2017 16848 Active   Square Footage Building Rentable SF: 16848 Leased Rentable SF: 16848 Available Space: 0