One unlighted real estate sign, not over six square feet in area, advertising the sale or lease of the building or lot upon which the sign is maintained, provided that the same is removed immediately upon the execution of a contract relative to the sale or lease of the said property. One unlighted garage sale sign, not over six square feet in area, advertising a garage sale upon the lot which the sign is maintained, provided that same is removed immediately upon the end of the garage sale.
The Zoning Officer may allow, on a individual basis and upon showing of substantial need, a limited number of unlighted real estate sale or lease, directional signs, and garage sale signs not over six square feet in area, to be placed at locations approved by the Zoning Officer and for limited periods of time as also approved by the Zoning Officer.