Washoe County Treasurer, Tammi Davis, is reminding property owners that Monday, January 7th, is the due date for the third installment of your property taxes. Payments will be accepted without penalty through January 17th. Davis says “In an effort to provide quality public service, we have worked to offer a variety of payment options whether online, in person or by mail, including extended hours,” says Tammi Davis, Washoe County Treasurer.