4 bed / 2 bath, 1,830 sqft, built 1939, in Proviso. Assessor market value for 2026: $660,000.
Cook County account 15331060160000
Assessor market value
$660,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,830 sqft
$361 per sqft
Year built
1939
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 25.9% from $524,190 in 2025 to $660,000 in 2026.
Assessor market value per square footThe current public record shows about $361 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 332 residential records in the same neighborhood, the average assessor market value is about $345 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +20.7% on average.
Comparable assessments
Similar public appraisal records selected for this property's equity comparison.
1,813 sqft | $375/sqft | built 1930 | Similar size (1,813 vs 1,830 sqft); Similar lot size (6,650 vs 6,700 sqft); Same quality (Average)
$680,000
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 | Similar size (1,794 sqft); Sold after the valuation date; Within 1 bedroom (3 vs 4)
$552,000
725 Homestead Rd La Grange Park, IL 60526
1,693 sqft | $301/sqft | built 1949 | 8% size difference (1,693 sqft); Moderate age difference (10 years newer); Within 1 bedroom (3 vs 4)
$510,000
1429 Deerpath Ln La Grange Park, IL 60526
1,587 sqft | $347/sqft | built 1959 | 13% size difference (1,587 sqft); Same beds (4)
$550,000
1420 Blanchan Ave La Grange Park, IL 60526
1,504 sqft | $281/sqft | built 1950 | Within 1 bedroom (3 vs 4)
$423,000
605 N Spring Ave La Grange Park, IL 60526
1,496 sqft | $292/sqft | built 1926 | Same beds (4)
$437,500
Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.
Value history
Up 25.9% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed