Section 28-213.1.2. Penalty for work without permit on other than one or two-family dwelling

The penalty for work without a permit on  buildings  other  than  one  or  two-family  dwellings  shall be fourteen times the
  amount of the fee payable for such permit. Where only part of  the  work
  has  been  performed  without  a  permit,  the  penalty shall be reduced
  proportionately according to the amount of work still to be performed at
  the time a permit is issued.  Notwithstanding  the  foregoing,  no  such
  penalty shall be less than five thousand dollars.