4 bed / 2 bath, 2,745 sqft, built 1985, in Lyons. Assessor market value for 2026: $870,000.
Cook County account 18304070300000
Assessor market value
$870,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,745 sqft
$317 per sqft
Year built
1985
Average quality
Compare this assessment
Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.
For nearby context, browse ZIP 60527 and Lyons assessment pages.
For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons have not been published yet.
Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.
Assessment snapshot
These public CCAO records highlight what may be worth checking before you file.
Assessment changeThe assessor market value increased 36.5% from $637,340 in 2025 to $870,000 in 2026.
Assessor market value per square footThe current public record shows about $317 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60527.
Neighborhood value signalAmong 407 residential records in the same neighborhood, the average assessor market value is about $317 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +34.4% on average.
Comparable assessments
Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.
2,739 sqft | $329/sqft | built 1986 | Similar size (2,739 vs 2,745 sqft); Similar age (1986 vs 1985); Similar lot size (13,950 vs 15,000 sqft)
$900,000
Recent comparable sales
Sales selected by similarity to the subject property.
120 Hill Rd Willowbrook, IL 60527
2,598 sqft | $329/sqft | built 1988 | 5% size difference (2,598 sqft); Similar age (1988)
$855,000
332 Chatelaine Ct Willowbrook, IL 60527
2,868 sqft | $296/sqft | built 1979 | Similar size (2,868 sqft); Moderate age difference (6 years older)
$850,000
110 Surrey Ln Burr Ridge, IL 60527
3,122 sqft | $240/sqft | built 1968 | 14% size difference (3,122 sqft); Within 1 bedroom (5 vs 4)
$750,000
Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.
Value history
Up 36.5% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed