Henry County Treasurer, Ana Lorber, reminds property owners that the first installment of property taxes is due Friday, September 30. Payments may be made by mail, online or in person. Office hours are 8 am to 4:30 pm Monday thru Friday. Online payments can be made at www.iowatreasurers.org. To avoid penalty on the first installment, payment must be received in the Treasurer’s office or postmarked by Friday.