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Iowa property tax overhaul converts homestead credit to exemption, adds levy caps and new procedures
Summary
Iowa Department of Revenue officials outlined major changes in Senate File 24 72 that convert the homestead credit into a 10% homestead exemption (min. $5,500, max. $20,000 in assessment year 2026), impose 2%/3%/4% levy caps by taxing authority, add new assessment notice and appeal triggers, and assign implementation tasks to state and local agencies.
Nick Belke, property tax policy director at the Iowa Department of Revenue, gave a detailed, department‑focused overview of Senate File 24 72 and the parts of the bill the department will implement. "This is the property tax compromise bill between the governor's office, the senate, and the house," Belke said, and he framed the changes as components in an "algebraic equation" that determines a taxpayer's net bill.
The most consequential changes summarized by Belke include three new levy caps that limit growth of local levies (a 2% cap for most city and county general funds and similar authorities; a 3% cap for transit and local emergency management levies; and a 4% cap for county hospital levies) and a conversion of the existing homestead credit into a homestead exemption. Under the new exemption, homeowners receive a 10% reduction in taxable value of their homestead; the first year's benefit (assessment year 2026) will be capped with a minimum exemption of $5,500 and a maximum exemption of $20,000, with the maximum to increase annually with an inflation measure the department will calculate.
Belke ran attendees through an example showing the difference between the prior credit and the new exemption using a $300,000 homestead and the department's assessment assumptions; the example illustrated how assessment limitations, consolidated levy rates and the exemption interact to change net tax. He said taxpayers who already received the homestead credit should not need to reapply: "Applications are not required for owners already receiving the credit or exemption; local officials will carry over your exemption and calculate it for you." He also noted a specific change for disabled‑veteran applicants: new applicants are limited to half an acre with no appurtenances.
The bill also reintroduces a multi‑residential property class (properties primarily for human habitation with three or more units, mobile home parks, assisted living, and certain dual‑use properties) with a different assessment limitation than residential and commercial classes; the department will include multi‑residential property in its aggregate equalization and assessment processes. Effective assessment year 2027 changes add 3% to the residential percentage for multi‑residential property and 6% for subsequent years as described in the presentation.
New notice and appeal procedures were highlighted: beginning with assessment year 2027, if a residential property's valuation increases by 10% or more compared with either of the two immediately preceding assessment years, the assessor must provide the taxpayer a statement of reasons explaining drivers of the increase (classification changes, market revaluation, new construction, renovations, and the valuation method/formula). In cases meeting the 10% trigger without a change in classification or primary use and not caused by new construction or renovations, the burden in an appeal shifts to the assessor to justify the valuation.
Belke flagged other implementation details that affect local governments and state funding: changes to tax increment financing (new TIF districts capped at 23 years; limits on perpetual TIFs; school levy diversion requires school agreement), phased reductions in certain state backfill payments to locals (a schedule of full payment the first year, two‑thirds the next year, one‑third the following year), changes to abnormal transaction rules for assessors, updates to declaration‑of‑value forms, and creation of task forces (Utility Replacement Tax Task Force and a PILOT task force) to study technical and policy issues, with reports expected next year.
What happens next: the Department of Revenue and Department of Management will share implementation guidance, local governments will adjust assessment and budgeting processes, and the department plans guidance, new forms, and GovDelivery notices (Belke and Tyler pointed attendees to revenue.iowa.gov and to sign up for GovDelivery for future updates). The presentation closed with a description of the FirstHome Iowa accounts (a first‑time homebuyer account allowing up to $5,500 in deductible contributions annually, CPI‑adjusted) and other tax items for follow‑up.
The department did not take live questions during the allotted webinar time; presenters said they would attempt to answer submitted Q&A items after the session and that slides and a recording will be posted by Iowa SourceLink.
