Iowa Code § 8G.12: Tax rate database.

1. By January 1, 2012, the department of management, in consultation with the department of revenue, shall make publicly available on an internet site a searchable database of all tax rates in the state for each taxing jurisdiction. The information shall include all applicable tax types imposed in the taxing jurisdiction and shall be organized, presented, and accessible, to the extent possible, by county, city, and physical address for each residency or business. Individual tax levies shall be further specified within each tax rate.

2. In addition to searching for tax rates in the manner described in subsection 1, searches shall be accommodated by a geographical tax rate map of the state that is capable of being displayed with a level of specificity corresponding to each taxing jurisdiction.