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Property Tax Levies for 2019

Understanding your tax liability is an important factor when purchasing a home. Know how current tax rates affect how much you pay each year.

Below you will find the tax levies for Johnson County.  These rates will be used in the computation of property taxes payable in FY’19, due September 1, 2018 and March 1, 2019 (based on 2017 assessments).  The levies on the enclosed schedule are represented in dollars per $1,000 valuation.  You may also view the current levy rates on the Johnson County Auditors web site at:


The assessed value of property will be rolled back as follows:

Residential – 55.6209%

Ag Land – 54.4480%

Ag Buildings – 54.4480%

Commercial – 90.0000%

Industrial – 90.0000%

Multiresidential – 78.7500%

Utilities – 100.0000%

Railroads  – 90.0000%


Below is an example of a typical residential tax calculation for Iowa City.

$ 100,000        Assessed value (100% value)

X .556209        Rollback percentage (residential class)

$55,621        Rollback value (taxable)

Less 1,852        Military exemption, if applicable

$53,769        Net taxable value

X .03908439        Levy divided by $1,000 (varies with taxing district – view PDF for rates)

$2,101.53        Gross tax

Less $189.56        Homestead Credit, if applicable ($4,850 x 0.03860513 x 1.0)

$1,912.00        Property tax rounded to the nearest even dollar


Please contact the Johnson County Auditors office at (319) 356-6004 if you have any questions or comments about your property taxes.