Local Voter GuidesNot a ballot

Rock Falls property tax: where it goes

A typical Rock Falls house pays about $2,410 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.

A Rock Falls house pays 10.983% of its taxable value in property tax. For a house at $27,967 of value before exemptions with the homestead exemption, that's about $2,413 a year.

Tax is levied on Whiteside County: Final Equalized Assessed Value minus Exemptions X Current Tax Rate = Total Tax Bill..

Whiteside County's 2025 rates payable 2026 are the latest published; 2026 rates are not set until 2027.

Who taxes this house

Taxing agencyRateOn $27,967
Rock Falls Elementary District 13 (schools)3.0369%$667
Rock Falls High School District 301 (schools)3.1252%$687
City of Rock Falls1.9787%$435
Whiteside County0.9436%$207
Coloma Park District0.5867%$129
Sauk Valley Community College 5060.4015%$88
Coloma Township0.3549%$78
Coloma Township road fund0.1729%$38
Rock Falls Library0.1855%$41
Special Service Area No. 10.1967%$43
Total10.983%$2,413

2025 tax year (payable 2026), Whiteside County, tax code 01110. Exemptions applied: General Homestead Exemption, reduces assessed value by up to ($6,000).

Ways to pay less

  • General Homestead Exemption. Reduces assessed value by up to $6,000 for owners who live in the home as their principal residence. How: See the Whiteside County homestead exemptions page.
  • Seniors 65+: Senior Citizen Homestead Exemption. Reduces assessed value by $5,000 for persons 65 or older. How: See the Whiteside County homestead exemptions page.
  • Seniors 65+: Assessment Freeze. Freezes the assessment at a base year for owners 65 or older with household income of $75,000 or less who have owned and lived in the home for 2 years. How: See the Whiteside County homestead exemptions page.
  • Disabled person's exemption. A reduction of $2,000 in assessed value for disabled homeowners whose home is their principal residence. How: See the Whiteside County homestead exemptions page.
  • Returning veterans. A $5,000 reduction in assessed value for veteran homeowners the year they return home from an armed conflict. How: See the Whiteside County homestead exemptions page.

Dates

WhenWhat
June and September each yearWhiteside County property tax bills are paid in two installments, due by June and September.

Sources

  1. Whiteside County 2025 district rates by tax code
  2. Homestead exemptions
  3. Tax cycle

Checked October 31, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.

Property tax in other Illinois cities

Poplar Grove property taxPosen property taxProspect Heights property taxRiver Forest property taxRiver Grove property taxRiverside property taxRock Island property taxRolling Meadows property taxRomeoville property taxRoselle property taxRound Lake property taxRound Lake Beach property taxAll Illinois cities →