There is here­by estab­lished a uni­form sys­tem for street nam­ing or renam­ing and for num­ber­ing prop­er­ty and build­ings on all streets, lanes, roads, high­ways and pub­lic ways in the unin­cor­po­rat­ed area of Union Coun­ty.  All build­ings shall be num­bered in accor­dance with the pro­vi­sions set forth here­in.