Cook County Value

345 8th Ave, La Grange, IL 60525

5 bed / 3 bath, 3,030 sqft, built 2026, in Lyons. Assessor market value for 2026: $550,590.

Cook County account 18044160120000

In line with similar homes

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

Assessor market value$550,590
Similar homes$1,203,182
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
$550,590
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,030 sqft
$182 per sqft
Year built
2026
Average quality

What we found

Similar homes' assessments

Weak

0 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $397.09/sqft, which supports a value of $1,203,182.

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 changed from $70,000 in 2025 to $550,590 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $182 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

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

  • 345 8th Ave, La Grange, IL 60525
    2,962 sqft | $442/sqft | built 2022 | Similar size (2,962 vs 3,030 sqft); Similar age (2022 vs 2026); Similar lot size (7,000 vs 7,000 sqft)
    $1,310,000
  • 119 7th Ave, La Grange, IL 60525
    2,995 sqft | $414/sqft | built 2021 | Similar size (2,995 vs 3,030 sqft); Similar age (2021 vs 2026); Similar lot size (7,035 vs 7,000 sqft)
    $1,240,000
  • 121 7th Ave, La Grange, IL 60525
    3,022 sqft | $397/sqft | built 2019 | Similar size (3,022 vs 3,030 sqft); Similar lot size (7,035 vs 7,000 sqft); Same quality (Average)
    $1,200,000
  • 123 7th Ave, La Grange, IL 60525
    3,118 sqft | $423/sqft | built 2019 | Similar size (3,118 vs 3,030 sqft); Similar lot size (7,032 vs 7,000 sqft); Same quality (Average)
    $1,320,000
  • 451 9th Ave, La Grange, IL 60525
    3,006 sqft | $326/sqft | built 2019 | Similar size (3,006 vs 3,030 sqft); Similar lot size (7,395 vs 7,000 sqft); Same quality (Average)
    $980,000

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 686.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$550,590+$480,590+686.6%
2025$70,000$00.0%
2024$70,000$00.0%
2023$70,000+$26,250+60.0%
2022$43,750−$268,800−86.0%
2021$312,550$00.0%
2020$312,550——
6-year total+$238,040+76.2%