Cook County Value

847 8th Ave, La Grange, IL 60525

4 bed / 2 bath, 1,607 sqft, built 1953, in Lyons. Assessor market value for 2026: $510,000.

Cook County account 18092200100000

Assessor market value
$510,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,607 sqft
$317 per sqft
Year built
1953
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 41.8% from $359,650 in 2025 to $510,000 in 2026.
  • Assessor market value per square footThe current public record shows about $317 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 1,221 residential records in the same neighborhood, the average assessor market value is about $274 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +24.5% on average.

Comparable assessments

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

  • 539 7th Ave, La Grange, IL 60525
    1,607 sqft | $311/sqft | built 1955 | Similar size (1,607 vs 1,607 sqft); Similar age (1955 vs 1953); Similar lot size (8,100 vs 8,576 sqft)
    $500,000
  • 500 7th Ave, La Grange, IL 60525
    1,585 sqft | $271/sqft | built 1955 | Similar size (1,585 vs 1,607 sqft); Similar age (1955 vs 1953); Similar lot size (8,437 vs 8,576 sqft)
    $430,010
  • 546 7th Ave, La Grange, IL 60525
    1,555 sqft | $309/sqft | built 1955 | Similar size (1,555 vs 1,607 sqft); Similar age (1955 vs 1953); Similar lot size (8,413 vs 8,576 sqft)
    $480,000
  • 504 7th Ave, La Grange, IL 60525
    1,674 sqft | $293/sqft | built 1957 | Similar size (1,674 vs 1,607 sqft); Similar age (1957 vs 1953); Similar lot size (8,437 vs 8,576 sqft)
    $490,010
  • 505 6th Ave, La Grange, IL 60525
    1,671 sqft | $287/sqft | built 1962 | Similar size (1,671 vs 1,607 sqft); Similar lot size (8,437 vs 8,576 sqft); Same quality (Average)
    $480,010

Recent comparable sales

Sales selected by similarity to the subject property.

  • 218 S Edgewood Ave, La Grange, IL 60525
    June-29-2026 | 1,710 sqft | $360/sqft | built 1949 | 6% size difference (1,710 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $615,000
  • 533 S Park Rd, La Grange, IL 60525
    1,632 sqft | $347/sqft | built 1962 | Similar size (1,632 sqft); Moderate age difference (9 years newer); Within 1 bedroom (3 vs 4)
    $567,000
  • 628 S La Grange Rd, IL 60525
    1,456 sqft | $290/sqft | built 1950 | 9% size difference (1,456 sqft); Similar age (1950); Within 1 bedroom (3 vs 4)
    $422,000
  • 732 S Stone Ave, La Grange, IL 60525
    1,456 sqft | $343/sqft | built 1951 | 9% size difference (1,456 sqft); Similar age (1951); Within 1 bedroom (3 vs 4)
    $500,000
  • 536 9th Ave, La Grange, IL 60525
    1,428 sqft | $287/sqft | built 1953 | 11% size difference (1,428 sqft); Similar age (1953); Within 1 bedroom (3 vs 4)
    $410,000

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 41.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$510,000+$150,350+41.8%
2025$359,650−$60,350−14.4%
2024$420,000$00.0%
2023$420,000+$127,200+43.4%
2022$292,800$00.0%
2021$292,800−$23,010−7.3%
2020$315,810——
6-year total+$194,190+61.5%