General homestead exemption
Who may qualify
Own and use the property as a primary residence on January 1; only one property may receive it.
Official source. Verified .
Lake County property tax due dates 2025
✓ Verified — Last verified
Due date passed
Second installment: (announced)
This is the latest published date on file. Confirm your account status with the county.
Not tax or legal advice; confirm with your county. Dates are shown as published by the source.
Installment timeline
- First installment
announced. Official source
- Second installment
announced. Official source
Assessment notice
Notices arrive during mid to late summer; publication and appeal deadlines vary by township.Official source. Verified .
Only announced dates are included, with a reminder seven days before. Re-download after dates change.
How to pay
Late payments and penalties
Unpaid first installment: 1.5% June 5, 3% July 5, 4.5% August 5, 6% September 5 and 7.5% October 5. Unpaid second installment: 1.5% September 5 and 3% October 5. Additional $10 fee after 5:00 PM Central October 2.
Official source. Verified .
Assessment appeals
Appeal within 30 days after the township assessment publication; use the final filing date on the assessment notice and county township schedule.
Official source. Verified .
Exemptions
Senior homestead exemption
Who may qualify
Age 65 or older; own and live in the property as the principal residence.
Official source. Verified .
Persons with disabilities homestead exemption
Who may qualify
Own or have a legal/equitable interest; live there on or before January 1; meet Social Security Act disability requirements and document eligibility.
Official source. Verified .
Standard exemption for veterans with disabilities and WWII veterans
Who may qualify
Qualifying disabled or World War II veterans, or qualifying surviving spouses, occupying a primary residence; see the county application requirements.
Official source. Verified .
County offices
Lake County Treasurer
treasurer
Official source. Verified .
Lake County Chief County Assessment Office
assessor
Official source. Verified .
County notes
Personal checks and e-checks end October 30 at 5:00 PM Central. Cards end November 6 at 5:00 PM Central. To avoid the November 13 tax sale, final payment must arrive by 5:00 PM Central November 12 in cash, money order or cashier’s check; no postmark.
Official source. Verified .
Common questions
When is property tax due in Lake County?
First installment: June 4, 2026 (announced). Second installment: September 4, 2026 (announced).
Where can I pay Lake County property tax?
Use the official payment portal: https://www.lakecountyil.gov/508/Current-Payment-Status. Online e-check, Credit or debit card, In person
What happens if my Lake County payment is late?
Unpaid first installment: 1.5% June 5, 3% July 5, 4.5% August 5, 6% September 5 and 7.5% October 5. Unpaid second installment: 1.5% September 5 and 3% October 5. Additional $10 fee after 5:00 PM Central October 2.
Sources and verification
https://www.lakecountyil.gov/3522/Real-Estate-Tax-Calendar
2025 Real Estate Tax Calendar (payable in 2026)
Verified
https://www.lakecountyil.gov/436/General-Homestead-Exemption
Property ownership and primary residency on the property as of January 1st of the tax year seeking the exemption.
Verified
https://www.lakecountyil.gov/457/Senior-Homestead-Exemption
Be 65 years of age or older Own and live in the property as their principal residence
Verified
https://www.lakecountyil.gov/494/Homestead-Exemption-for-Persons-with-Dis
Own or have a legal or equitable interest in the property. Have lived on the property on or before January 1st of the tax year. Be disabled under the Federal Social Security Act
Verified
https://www.lakecountyil.gov/468/Standard-Exemption-for-Veterans-with-Dis
This exemption provides a reduction in equalized assessed value (outlined below) of a primary residence occupied by a veteran with a disability, a World War II veteran or the surviving spouse.
Verified
https://www.lakecountyil.gov/4219/Assessment-Notices
Lake County property owners will receive their property assessment notices in the mail during mid to late summer.
Verified
Estimate a bill and check your assessment
Census survey estimates, 2020–2024. These county medians describe a survey population; they do not establish your home’s correct assessment.
- Median home value
- $345,700
- Median annual taxes paid
- $8,923
- Estimated effective rate
- 2.58%
Census home values, Census taxes paid. Last verified 2026-10-24. Rate = median taxes ÷ median home value. Displayed rates are rounded; calculations use the unrounded ratio.
Appeal timing and filing
Appeal within 30 days after the township assessment publication; use the final filing date on the assessment notice and county township schedule.
How to file: File electronically with the Lake County Board of Review.
State guidance: After county Board of Review, appeal to the State Property Tax Appeal Board or file a tax-objection complaint in circuit court.
Official appeal information and filing instructions
Appeal sources and verification
- Official source (verified 2026-10-24)
- Official source (verified 2026-10-24)
- Official source (verified 2026-10-24)
- Official source (verified 2026-10-24)
No savings are promised. Not tax or legal advice; confirm with your county. Estimate methodology and limitations.
A reminder before it’s due
Choose your county for email reminders 14 and 3 days before announced due dates. Confirm your email to join. Unsubscribe in one click.