The first half of real estate and mobile home taxes were due yesterday. A penalty of 1.5% per month, issued to the nearest whole dollar, will now be attached to any unpaid taxes. Washington County Treasurer Jeff Garrett reminds property owners that statement coupons must accompany payments. Also, payments may be made in person at the treasurer’s office, mailed, deposited in the drop box or paid online. The treasurer’s office is open Monday through Friday from 8 a.m. To 4:15 p.m.