Now Pre-Leasing. 1520 N Jackson Road is a new construction flex space warehouse. Currently under construction in a prime McAllen location. This property will feature six suites, with spaces ranging from 1,620 SF to 2,228 SF, offering flexible layouts ideal for retail, office, or professional use. NO TI Allowances. Each shell unit includes an HVAC, one bathroom, one ground-level overhead door, and the owner will install the demising wall. Reserve your space today.