Courthouse Closed Monday - February 16th for the Presidents Day Holiday

Financial and Tax Information

Proposed Tax Levy - Fiscal Year 2025-2026

2023 Valuations - Taxes Due 2024-2025

2022 Valuations - Taxes Due 2023-2024

2021 Valuations - Taxes Due 2022-2023

2020 Valuations - Taxes Due 2021-2022

2019 Valuations - Taxes Due 2020-2021

2018 Valuations - Taxes Due 2019-2020

Additional Information

View archived budgets and other current budgets on the Iowa Department of Management website.

Auditor

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County • Iowa

Courthouse
610 Iowa Ave.
Onawa, IA 51040
Contact Us

Courthouse Hours
M-F 8:00 a.m. to 4:30 p.m.
Closed Holidays
Department Hours May Vary

©2026 Monona County, Iowa | Title VI Notice

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