I'm not familiar with the USA as much, but the number holds true for Australia. A quick google found me this: http://www.vtpi.org/tca/tca0504.pdf http://www.vt

I'm not familiar with the USA as much, but the number holds true for Australia. A quick google found me this: http://www.vtpi.org/tca/tca0504.pdf http://www.vtpi.org/tca/tca0504.pdf Table 5.4.3 - 4 Parking Structure Construction Costs might be what you're after.