National Map >  Region 7: Greater Southwest >  Texas >  District 18 > TX2428 HELP GSA Building Stats   15311 WEST VANTAGE PARKWAY 15311 WEST VANTAGE PARKWAY HOUSTON , TX 77032-1954 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 LTX14965 1/15/2002 10/31/2008 4051 Active   Square Footage Building Rentable SF: 4051 Leased Rentable SF: 4051 Available Space: 0