Green Castle Township property tax rate

Marshall County, Iowa · 2026–27 rates

Combined rate, 2026–27

25.58259to26.08259per $1,000 of taxable value, depending on where in Green Castle Township the property is

2 tax areas

Why the rate depends on the address

An Iowa property is taxed by every levy authority in its tax district: the county, the city or township, the school district, and others such as community colleges, hospitals, and fire or ambulance districts. Green Castle Township spans more than one combination of these, so this page shows each one.

Your tax bill, or your county's appraisal or assessment office, lists the units for your property.

How Green Castle Township compares

  • Green Castle Township's lowest combined rate, 25.58259 per $1,000, is below the Marshall County median of 26.33594 and below the Iowa median of 26.34594.
  • In its East Marshall schools · Ferguson Fire area, the combined rate fell 3.2% from 2021–22 (26.43581) to 2026–27 (25.58259).
  • Rates across Green Castle Township's 2 areas differ by 0.500 per $1,000, so the address matters.

Medians are of the lowest combined rate in each place, across 29 places in Marshall County. Percent changes compare two published rates; a rate change isn't the same as a bill change, because values change too.

Estimate your 2026–27 bill

Use taxable value: assessed value × the residential rollback (44.5345% for 2026–27 bills), less any exemptions. $150,000 is about a $337,000 home.

Estimated annual tax before unit-specific exemptions

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Credits, such as the homestead credit, reduce the bill further. Rates shown are for standard districts; TIF and urban renewal areas can differ.

Combined rate by year

Area2021–222022–232023–242024–252025–262026–27
East Marshall schools · Ferguson Fire26.4358126.1518624.9510622.5423321.6487925.58259
East Marshall schools · Gilman Fire26.4358125.8367224.7190422.9023321.9987926.08259

Combined rate per $1,000 of taxable value, as published for each year. A dash means no rate is on file for that year.

Places in Marshall County with similar rates

See all 29 places in Marshall County →

How property tax works in Iowa

Our Iowa property tax guide covers how assessments and rates work, when bills are due, relief programs and how to appeal.

Where these rates come from

Source: Iowa Department of Management, Consolidated Property Tax Rates by Tax District, FY2027. Retrieved 2026-10-27.

Rates are shown exactly as published. Where the state doesn't publish a combined total, the combined figure is the sum of the published unit rates and is labelled that way. Spotted an error? Email [email protected].