Algonquin property tax: where it goes
A typical Algonquin house pays about $8,390 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.
A Algonquin house pays 7.698% of its taxable value in property tax. For a house at $117,000 of value before exemptions with the homestead exemption, that's about $8,391 a year.
Tax is levied on Rates apply to equalized assessed value after exemptions..
2026 rates are not set until spring 2027.
Who taxes this house
| Taxing agency | Rate | On $117,000 |
|---|---|---|
| Community Unit School District 300 (schools) | 4.7875% | $5,218 |
| Algonquin-Lake in the Hills Fire District | 0.8132% | $886 |
| McHenry County | 0.4987% | $544 |
| Village of Algonquin | 0.4768% | $520 |
| Elgin Community College 509 (schools) | 0.4099% | $447 |
| Algonquin Area Library | 0.3928% | $428 |
| McHenry County Conservation District | 0.1769% | $193 |
| Algonquin Township Road & Bridge | 0.1012% | $110 |
| Algonquin Township | 0.0408% | $44 |
| Total | 7.698% | $8,391 |
2025 tax year (payable 2026), McHenry County, tax code 19005 (Algonquin Township). Exemptions applied: General homestead exemption (owner-occupied, up to) ($8,000).
Ways to pay less
- Seniors 65+: senior homestead exemption. Reduces equalized assessed value by up to $8,000. How: See the McHenry County Assessments exemptions page.
- Seniors 65+: low-income assessment freeze. Freezes the equalized assessed value at the base year (year before first qualifying). Must be 65 or older, household income $75,000 or less. How: Apply with the Senior Freeze form from the County.
- Persons with disabilities exemption. $2,000 off equalized assessed value annually. How: Provide proof of disability (e.g., Social Security eligibility or Illinois disability ID).
Dates
| When | What |
|---|---|
| November 16, 2026 (in 12 days) | Deadline for filing an assessment complaint (Algonquin Township), at midnight. |
Sources
- Taxes and fees
- District rates by taxcode 2025
- County exemptions
- County Property Tax 101
- McHenry assessments
Checked October 30, 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.
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