Cook County Value

317 8th Ave, La Grange, IL 60525

4 bed / 2 bath, 2,562 sqft, built 1909, in Lyons. Assessor market value for 2026: $1,000,000.

Cook County account 18044160050000

Assessor market value
$1,000,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,562 sqft
$390 per sqft
Year built
1909
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 60525 and Lyons assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

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 48.8% from $672,070 in 2025 to $1,000,000 in 2026.
  • Assessor market value per square footThe current public record shows about $390 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60525.
  • Neighborhood value signalAmong 431 residential records in the same neighborhood, the average assessor market value is about $369 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +36.8% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 424 8th Ave, La Grange, IL 60525
    2,544 sqft | $389/sqft | built 1914 | Similar size (2,544 vs 2,562 sqft); Similar age (1914 vs 1909); Similar lot size (7,000 vs 7,000 sqft)
    $990,000
  • 240 8th Ave, La Grange, IL 60525
    2,459 sqft | $372/sqft | built 1908 | Similar size (2,459 vs 2,562 sqft); Similar age (1908 vs 1909); Similar lot size (7,000 vs 7,000 sqft)
    $915,000
  • 113 S La Grange Rd, La Grange, IL 60525
    2,556 sqft | $376/sqft | built 1910 | Similar size (2,556 vs 2,562 sqft); Similar age (1910 vs 1909); Similar lot size (7,506 vs 7,000 sqft)
    $960,000
  • 221 7th Ave, La Grange, IL 60525
    2,560 sqft | $359/sqft | built 1899 | Similar size (2,560 vs 2,562 sqft); Similar lot size (7,000 vs 7,000 sqft); Same quality (Average)
    $920,000
  • 344 9th Ave, La Grange, IL 60525
    2,576 sqft | $388/sqft | built 1924 | Similar size (2,576 vs 2,562 sqft); Similar lot size (7,000 vs 7,000 sqft); Same quality (Average)
    $1,000,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 48.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,000,000+$327,930+48.8%
2025$672,070$00.0%
2024$672,070−$47,930−6.7%
2023$720,000+$126,530+21.3%
2022$593,470$00.0%
2021$593,470$00.0%
2020$593,470——
6-year total+$406,530+68.5%