4 bed / 3 bath, 2,497 sqft, built 1943, in Proviso. Assessor market value for 2026: $870,000.
Cook County account 15324160250000
Assessor market value
$870,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,497 sqft
$348 per sqft
Year built
1943
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 60526 and Proviso assessment pages.
For Proviso, appeals to the Assessor are open through (8 days left).
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 47.0% from $591,890 in 2025 to $870,000 in 2026.
Assessor market value per square footThe current public record shows about $348 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for the Proviso neighborhood and ZIP 60526.
Neighborhood value signalAmong 286 residential records in the same neighborhood, the average assessor market value is about $306 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +30.7% on average.
Comparable assessments
Similar public appraisal records selected for this property's equity comparison.
2,522 sqft | $337/sqft | built 1938 | Similar size (2,522 vs 2,497 sqft); Similar age (1938 vs 1943); Similar lot size (6,650 vs 6,650 sqft)
$850,000
Recent comparable sales
Sales selected by similarity to the subject property.
1217 Newberry Ave La Grange Park, IL 60526
June-29-2026 | 1,794 sqft | $308/sqft | built 1952 | Moderate age difference (9 years newer); Sold after the valuation date; Within 1 bedroom (3 vs 4)
$552,000
341 Malden Ave La Grange Park, IL 60526
2,199 sqft | $466/sqft | built 1951 | 12% size difference (2,199 sqft); Moderate age difference (8 years newer); Same beds (4)
$1,025,000
904 N Waiola Ave La Grange Park, IL 60526
2,834 sqft | $367/sqft | built 1928 | 14% size difference (2,834 sqft); Within 1 bedroom (5 vs 4)
$1,040,000
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 47.0% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed