Subject to exemptions from the requirement of a permit as provided in this chapter, no person shall engage in development of real property, including the erection, construction, enlargement, alteration, repair, movement, removal, conversion or demolition of any building, structure or improvement in the city, or cause same to be done without first obtaining a separate permit for each building, structure or other improvement. For purposes of this chapter, only one building permit need be obtained for one building and parking lot(s) and driveways serving such building.