4 bed / 3 bath, 1,821 sqft, built 1974. Assessor market value for 2026: $700,000.
Cook County account 18183030080000
Assessor market value
$700,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,821 sqft
$384 per sqft
Year built
1974
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 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 18.6% from $590,000 in 2025 to $700,000 in 2026.
Assessor market value per square footThe current public record shows about $384 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for ZIP 60527.
Neighborhood value signalAmong 547 residential records in the same neighborhood, the average assessor market value is about $312 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +28.4% on average.
Comparable assessments
Similar public appraisal records selected for this property's equity comparison.
1,852 sqft | $308/sqft | built 1976 | Similar size (1,852 vs 1,821 sqft); Similar age (1976 vs 1974); Lot 16% smaller (15,443 vs 18,400 sqft)
$570,010
Recent comparable sales
Sales selected by similarity to the subject property.
101 Lake Hinsdale Dr #107 Willowbrook, IL 60527
1,571 sqft | $239/sqft | built 1974 | 14% size difference (1,571 sqft); Similar age (1974); Within 1 bedroom (3 vs 4)
$375,000
301 Lake Hinsdale Dr #111 Willowbrook, IL 60527
1,516 sqft | $280/sqft | built 1974 | Similar age (1974); Within 1 bedroom (3 vs 4)
$425,000
501 Lake Hinsdale Dr #211 Willowbrook, IL 60527
1,625 sqft | $160/sqft | built 1979 | 11% size difference (1,625 sqft); Moderate age difference (5 years newer)
$260,000
601 Lake Hinsdale Dr #308 Willowbrook, IL 60527
1,595 sqft | $231/sqft | built 1979 | 12% size difference (1,595 sqft); Moderate age difference (5 years newer)
$369,000
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 18.6% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed