Compare United States v. 1.604 Acres of Land (Granby I), 844 F. Supp. 2d 668, 682 (E.D.Va. 2011) (allowing cost approach in valuation of partially improved property), with United States v. 15,478 Square Feet of Land (Balaji Sai), No. 2:10-cv-00322, 2011 WL 2471586 at *5 (E.D.Va. June 20, 2011) (rejecting cost approach in valuation of vacant property).