There is imposed a tax on all transfers by deeds, instruments, writings or any other document by which any lands, tenements or other interests in real property sold, located in the city, are or is granted, assigned, transferred or otherwise conveyed to or vested in a purchaser, or purchasers thereof, or any other person or persons, by his or their direction. Said tax shall be levied at the rate of .00275 of the value of consideration. (Prior code § 41.09.128)