If you have a real estate tax escrow that means that your mortgage company includes an estimate of your annual property taxes out of your payment each month. They will divide the estimated annual property taxes by 12 and add that on to your monthly payment. At the end of the year your mortgage company will pay your property taxes out of this escrow. If you have extra left over then you may receive a refund. If you owe extra you will receive an additional bill from your lender.