As mandated by Iowa law, the deadline for paying the second installment of real estate and mobile home taxes is March 31st. Since the last day of the month falls on the weekend, you will have until April 1, 2019 to pay as March business. Payment being made for the current tax year must be USPS postmarked April 1, 2019 to the Black Hawk County Treasurer at 316 East 5th Street, Waterloo, IA 50703. Please include the payment stub or stubs from the tax bill along with your check. If you want a receipt, include the entire bill and a stamped, self-addressed envelope with your payment.

The Treasurer’s office also accepts Visa, MasterCard or Discover credit cards or debit card. A non-refundable service delivery fee of 2.25% plus $1.50 per transaction for credit card or $2.00 for debit card will apply. The service delivery fee is retained by the credit/debit card company and our web provider.

Real estate and mobile home taxes may be paid online utilizing Visa, MasterCard, Discover or electronic check at Same fees apply if using credit card. Electronic check is $.40 per transaction.
You may schedule or set up a recurring payment plan by going to the website There is a step by step tutorial on the website to assist you in setting this up.

Interest for the March 2019 installment will accrue at the rate of 1½ percent per month beginning April 2.

Payment by guaranteed funds for redemption from tax sale must be in the Treasurer’s office by 4:00 p.m. April 1. Guaranteed funds are cash, certified check, cashier’s check or money order. A March/April postmark cannot be accepted for redemptions.

Property owners who are over 65 years of age or totally disabled with an income of less than $23,216.00 or mobile home owners over 23 years of age with an income less than $23,216.00 may be eligible for help on the taxes due for September 2019/March 2020. If filing due to a disability, proof of disability is required and must be attached to the form when returning to the Treasurer’s office by June 1, 2019.

The Black Hawk County Treasurer’s office in the Courthouse is open from 8 AM to 4:30 PM, Monday through Friday. The Treasurer’s office in the Crossroads Mall is open 8:30 AM to 4:15 PM, Tuesday through Friday. Payments may also be deposited in the secured drop boxes located at the northeast corner of the Courthouse and also in the Crossroads Mall outside of the DOT office.

For further information, call 319 833-3013.