Another data point:
$125K for a 60x50x14 R&M hangar with a 45 ft wide Hydroswing door and heated floor. That's the complete price including permits, fees, concrete, and labor. The steel and door from R&M cost approx $40K. That was the 2008 cost.
Other items included in the build cost:
Basic electric installation - 2 lighting circuits and 8 outlet boxes.
Natural gas service to the floor heater.
Water roughed in and sewer connected.
60x40 asphalt pad in front of the hangar.
One firewall with 3 layers of 5/8" drywall.
Glossy concrete floor but not epoxied.