Glen Carbon property tax: where it goes

A typical Glen Carbon house pays about $6,130 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.

A Glen Carbon house pays 6.971% of its taxable value in property tax. For a house at $94,000 of value before exemptions with the homestead exemption, that's about $6,134 a year.

Tax is levied on Taxable assessed value: the equalized assessed value less the exemptions a taxpayer qualifies for. In Illinois, property is assessed at 1/3 its fair market value..

Illinois bills a year in arrears; the 2025 rates (report dated 06/01/2026) are the latest.

Who taxes this house

2025 tax year (payable 2026), Madison County. Exemptions applied: General homestead exemption (owner-occupied, up to) ($6,000).

Ways to pay less

• Seniors 65+: senior homestead exemption. The Senior Citizens Homestead Exemption is a $5,000 reduction in the EAV of the property. How: File Form PTAX-324.
• Seniors with household income under $65,000: assessment freeze. Allows senior citizens with a total household maximum income of less than $65,000 to keep their home's EAV at the base year. How: Apply every year (PTAX-340) with the Chief County Assessment Office.
• Disabled owners: person with disabilities exemption. Reduces the EAV by $2,000 only if the primary residence is owned and occupied by a disabled person that is liable for the payment of property taxes.

Sources

1. Exemptions
2. Normal property assessment

Checked October 30, 2026. Every number here comes from the public sources listed, matched by our checker.