The order of restrictiveness for zoning districts, from most to least restrictive is: H-C, O-S, R-A, R-1, R-2, R-3, C-1, C-C, C-2, L-M, M-1, M-2.

The restrictiveness of use in a P-D Zoning district shall be based on that zoning district which most closely resembles those uses permitted in the P-D Zoning district.