3 bed / 2 bath, 1,423 sqft, built 1958, in Proviso. Assessor market value for 2026: $440,000.
Cook County account 15284180200000
Assessor market value
$440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,423 sqft
$309 per sqft
Year built
1958
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 15.4% from $381,130 in 2025 to $440,000 in 2026.
Assessor market value per square footThe current public record shows about $309 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 670 residential records in the same neighborhood, the average assessor market value is about $282 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +13.2% on average.
Comparable assessments
Similar public appraisal records selected for this property's equity comparison.
1,429 sqft | $287/sqft | built 1958 | Similar size (1,429 vs 1,423 sqft); Built same year (1958); Similar lot size (6,250 vs 6,250 sqft)
$410,000
Recent comparable sales
Sales selected by similarity to the subject property.
841 Community Dr La Grange Park, IL 60526
1,412 sqft | $297/sqft | built 1955 | Similar size (1,412 sqft); Similar age (1955); Same beds (3)
$419,000
1217 Newberry Ave La Grange Park, IL 60526
June-29-2026 | 1,794 sqft | $308/sqft | built 1952 | Moderate age difference (6 years older); Sold after the valuation date; Same beds (3)
$552,000
1420 Blanchan Ave La Grange Park, IL 60526
1,504 sqft | $281/sqft | built 1950 | 6% size difference (1,504 sqft); Moderate age difference (8 years older); Same beds (3)
$423,000
1429 Deerpath Ln La Grange Park, IL 60526
1,587 sqft | $347/sqft | built 1959 | 12% size difference (1,587 sqft); Similar age (1959); Within 1 bedroom (4 vs 3)
$550,000
209 Finsbury Ln La Grange Park, IL 60526
1,232 sqft | $353/sqft | built 1961 | 13% size difference (1,232 sqft); Similar age (1961); Same beds (3)
$435,000
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 15.4% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed