Cook County Value

401 N Park Rd La Grange Park, IL 60526

4 bed / 2 bath, 1,546 sqft, built 1951, in Proviso. Assessor market value for 2026: $520,000.

Cook County account 15324120120000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$520,000
Similar homes$526,598
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$520,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,546 sqft
$336 per sqft
Year built
1951
Average quality

What we found

Similar homes' assessments

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $340.48/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $74,210. Counting your land in place of theirs where theirs is less, they support a value of $526,598.

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.

Local guide: Proviso Township 2026 Property Tax Appeal Guide.

Appeal deadlines

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 34.9% from $385,570 in 2025 to $520,000 in 2026.
  • Assessor market value per square footThe current public record shows about $336 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

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 age (1952); Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $552,000
  • 1420 Blanchan Ave La Grange Park, IL 60526
    1,504 sqft | $281/sqft | built 1950 | Similar size (1,504 sqft); Similar age (1950); Within 1 bedroom (3 vs 4)
    $423,000
  • 1429 Deerpath Ln La Grange Park, IL 60526
    1,587 sqft | $347/sqft | built 1959 | Similar size (1,587 sqft); Moderate age difference (8 years newer); Same beds (4)
    $550,000
  • 841 Community Dr La Grange Park, IL 60526
    1,412 sqft | $297/sqft | built 1955 | 9% size difference (1,412 sqft); Moderate age difference (4 years newer); Within 1 bedroom (3 vs 4)
    $419,000
  • 725 Homestead Rd La Grange Park, IL 60526
    1,693 sqft | $301/sqft | built 1949 | 10% size difference (1,693 sqft); Similar age (1949); Within 1 bedroom (3 vs 4)
    $510,000

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 34.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$520,000+$134,430+34.9%
2025$385,570−$21,960−5.4%
2024$407,530−$22,470−5.2%
2023$430,000+$121,260+39.3%
2022$308,740$00.0%
2021$308,740−$21,070−6.4%
2020$329,810——
6-year total+$190,190+57.7%