There is here­by imposed a tax on the priv­i­lege of trans­fer­ring a con­trol­ling inter­est in a real estate enti­ty own­ing prop­er­ty locat­ed in Union Coun­ty, includ­ing a lessee’s inter­est in cer­tain ground leas­es, in the amount of Twen­­ty-Five Cents ($0.25) per Five Hun­dred Dol­lars ($500.00) con­sid­er­a­tion or frac­tion of Five Hun­dred Dol­lars ($500.00) val­ue declared in the real estate trans­fer dec­la­ra­tion required by 35 ILCS 200/31–25, such tax to be in addi­tion to any and all trans­fer tax cur­rent­ly autho­rized for col­lec­tion by the County.