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Kane County · North Aurora, ILNorth Aurora, IL property taxes. A steady market. Check the details.
The typical home in North Aurora was worth about $395,000 in January 2026, up 3.3% from a year earlier. In a steady market, an appeal works best for specific homes whose assessment ran ahead of what they'd sell for.
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What North Aurora home values did
North Aurora values rose 3.3% in the year to January 2026, reaching a new high. That's in line with Kane County as a whole (+3.8%).
Since January, values have risen 3.0% through August 2026.
| Month | Typical value | vs. a year earlier |
|---|---|---|
| January 2021 | $280,000 | +7.1% |
| January 2022 | $312,000 | +11.2% |
| January 2023 | $337,000 | +8.1% |
| January 2024 | $359,000 | +6.5% |
| January 2025 | $382,000 | +6.6% |
| January 2026 | $395,000 | +3.3% |
| August 2026 (latest) | $407,000 | +3.0% since January |
January 2026 was the highest month since 2021.
What to check on your notice
The typical North Aurora home gained 3.3% in the year to January 2026. A notice that rose far more than that, or a value above what similar homes nearby actually sold for, is the usual starting point for an appeal.
How North Aurora compares nearby
Among 10 Kane County places, North Aurora has the 8th largest drop from its peak and the 6th highest typical value. Statewide, its 1-year change ranks 240th of 888 Illinois places, from weakest to strongest.
| Place | January 2026 | 1-year change | vs. peak |
|---|---|---|---|
| Aurora | $319,000 | +3.2% | At peak |
| Elgin | $330,000 | +3.0% | At peak |
| Saint Charles | $466,000 | +5.0% | At peak |
| Carpentersville | $290,000 | +4.0% | At peak |
| Geneva | $535,000 | +4.7% | At peak |
| Batavia | $458,000 | +4.6% | At peak |
| South Elgin | $368,000 | +3.4% | At peak |
| North Aurora | $395,000 | +3.3% | At peak |
| Campton Hills | $674,000 | +4.5% | At peak |
| Sugar Grove | $450,000 | +4.7% | At peak |
Deadline and where to file
North Aurora values are set by the local township or county assessor. File a complaint with your county Board of Review within 30 calendar days after your assessment list is published (usually in a local newspaper). The date varies by township and county. In Cook County, each township gets its own filing window, set each year, and the dates are printed on your notice and posted on the Assessor and Board of Review sites. If you lose at the Board of Review, you have 30 days after its written decision to appeal to the state Property Tax Appeal Board.
Reading this in fall 2026? In October 2026, Cook County townships on the 2026 calendar are still open for appeals now (for example Hyde Park through Oct 8, Leyden Oct 14, Worth Oct 15, Wheeling Oct 22, Proviso Oct 27, Lake Oct 29, Palatine Nov 4, Orland Nov 6 and Jefferson Nov 12, at the Assessor stage), and several others have not opened yet, so check your township on the Assessor's Assessment & Appeal Calendar today. Cook townships that already closed must wait for 2027. Outside Cook, windows depend on when your county publishes assessments, so check with your county Supervisor of Assessments. If your Board of Review already ruled, you have 30 days from its decision to file with the Property Tax Appeal Board. Otherwise the next regular chance is when your 2027 assessment notice is published, usually in the summer, so watch for it.
The Kane County guide covers the full Illinois appeal process: forms, fees, hearing levels and what happens next.
Building a North Aurora case
The numbers above describe the typical North Aurora home, not yours. North Aurora is part of the Chicago-Naperville-Elgin metro, but your evidence should be local. Sales a few streets away usually beat sales across the metro.
- Attend your Board of Review hearing if you are notified. Missing a properly noticed hearing can get your appeal dismissed and block a later PTAB appeal.
Get your North Aurora appeal report
Start with your address. Vulorean checks your assessment against recent comparable sales and builds a value report you can bring to your Illinois appeal. Eligible reports are free during launch; an account is required and local filing fees are separate.
Check my property and get a report →Vulorean was built for California first. Illinois forms, deadlines and filing rules vary, so confirm them with your local office before filing. If something in your report looks wrong, email support@vulorean.com and we'll get it fixed.
Home values: Zillow Home Value Index (ZHVI), all homes, mid-tier, smoothed and seasonally adjusted, through August 2026, from Zillow Research. Rules: Cook County Assessor: Assessment & Appeal Calendar, Cook County Assessor: Appeals overview, Cook County Board of Review: FAQ, 35 ILCS 200/16-55 (Board of Review complaints, 30 days after publication). Vulorean is an independent service, not a government office. Confirm dates and forms with your local office.