Calculated annual tax across the net exempt value using the homeowner rollback.
Polk County Assessor records · Assessment year 2025
The property-tax record, made visible.
Search 796 tax-exempt and partially exempt commercial and multi-residential properties in Des Moines. See the source values, the limitations, and both tax scenarios—with the math left on the page.
13,179
county records reviewed
99.979%
agreement with county category totals
2
tax scenarios, shown equally
Two questions, no hidden assumption
What would exempt property pay under homeowner and business tax treatment?
Calculated annual tax across the same value using the business rollback.
Net exempt value × rollback × 42.32446 mills ÷ 1,000
Run the calculator yourselfThe live public-record story
Hospitals pledged $860,000 yearly. Reported payments: $0 for five years.
In the fiscal year ending June 2026, the Airport Authority reportedly paid $3 million, Water Works $1.4 million, and the Wastewater Reclamation Authority $1.3 million in voluntary payments in lieu of taxes.
Read the sourced accountLargest net exempt records
The top of the roll.
01
Central Iowa Hospital Corp1200 Pleasant St · Hospital
$273.7M02Mercy Hospital Medical Center1111 6th Ave · Hospital
$227.0M03Dm University Osteopathic3200 Grand Ave · Education
$113.8M04Iowa Lutheran Hospital700 E University Ave · Hospital
$86.90M05Grand View University1417 Hull Ave · Education
$82.00MRead the boundary
$2.528 billion is not the whole untaxed landscape.
Government-owned property is generally never assessed and does not appear in the commercial inventory. Residential-class exempt parcels are also outside the source file. This database is complete for what it claims—not for what the county does not publish in this export.
All known limitations