09/18/2026
Property tax payments must be received or United States Postal Service (USPS) postmarked by the delinquency date to avoid penalties. The postmark date is used to determine if the payment was mailed on or before the deadline. If you are waiting until just before the delinquent date to mail your payment, it is recommended that you personally witness the postmark being affixed to your envelope. If a payment is received after the delinquency date with a late or missing postmark, the payment is considered late and penalties will be imposed in accordance with Iowa law.
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