Cook County Value

350 S Spring Ave, La Grange, IL 60525

4 bed / 2 bath, 2,371 sqft, built 1894, in Lyons. Assessor market value for 2026: $1,030,000.

Cook County account 18043170250000

Assessor market value
$1,030,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,371 sqft
$434 per sqft
Year built
1894
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 55.8% from $660,950 in 2025 to $1,030,000 in 2026.
  • Assessor market value per square footThe current public record shows about $434 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 932 residential records in the same neighborhood, the average assessor market value is about $390 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +32.9% on average.

Comparable assessments

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

  • 338 S Spring Ave, La Grange, IL 60525
    2,353 sqft | $421/sqft | built 1895 | Similar size (2,353 vs 2,371 sqft); Similar age (1895 vs 1894); Similar lot size (6,750 vs 6,750 sqft)
    $990,000
  • 309 S Stone Ave, La Grange, IL 60525
    2,310 sqft | $416/sqft | built 1891 | Similar size (2,310 vs 2,371 sqft); Similar age (1891 vs 1894); Similar lot size (6,750 vs 6,750 sqft)
    $960,000
  • 338 S Stone Ave, La Grange, IL 60525
    2,440 sqft | $381/sqft | built 1898 | Similar size (2,440 vs 2,371 sqft); Similar age (1898 vs 1894); Similar lot size (6,750 vs 6,750 sqft)
    $930,000
  • 43 S Spring Ave, La Grange, IL 60525
    2,391 sqft | $368/sqft | built 1892 | Similar size (2,391 vs 2,371 sqft); Similar age (1892 vs 1894); Similar lot size (6,528 vs 6,750 sqft)
    $880,000
  • 32 S Stone Ave, La Grange, IL 60525
    2,386 sqft | $381/sqft | built 1893 | Similar size (2,386 vs 2,371 sqft); Similar age (1893 vs 1894); Similar lot size (6,100 vs 6,750 sqft)
    $910,000

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 55.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,030,000+$369,050+55.8%
2025$660,950$00.0%
2024$660,950−$199,050−23.1%
2023$860,000+$310,820+56.6%
2022$549,180$00.0%
2021$549,180−$54,220−9.0%
2020$603,400——
6-year total+$426,600+70.7%