Cook County Value

321 S Waiola Ave, La Grange, IL 60525

3 bed / 2 bath, 3,938 sqft, built 1918, in Lyons. Assessor market value for 2026: $1,420,010.

Cook County account 18043170050000

Assessor market value
$1,420,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,938 sqft
$361 per sqft
Year built
1918
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 30.8% from $1,085,520 in 2025 to $1,420,010 in 2026.
  • Assessor market value per square footThe current public record shows about $361 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.

  • 132 S Waiola Ave, La Grange, IL 60525
    3,896 sqft | $393/sqft | built 1915 | Similar size (3,896 vs 3,938 sqft); Similar age (1915 vs 1918); Similar lot size (10,200 vs 10,125 sqft)
    $1,530,000
  • 320 S Waiola Ave, La Grange, IL 60525
    3,847 sqft | $335/sqft | built 1908 | Similar size (3,847 vs 3,938 sqft); Similar lot size (10,125 vs 10,125 sqft); Same quality (Average)
    $1,290,010
  • 234 S Park Rd, La Grange, IL 60525
    3,817 sqft | $393/sqft | built 1918 | Similar size (3,817 vs 3,938 sqft); Built same year (1918); Lot 11% larger (11,250 vs 10,125 sqft)
    $1,500,000
  • 100 Sunset Ave, La Grange, IL 60525
    3,940 sqft | $360/sqft | built 1921 | Similar size (3,940 vs 3,938 sqft); Similar age (1921 vs 1918); Lot 18% larger (11,920 vs 10,125 sqft)
    $1,420,000
  • 114 Sunset Ave, La Grange, IL 60525
    3,809 sqft | $362/sqft | built 1925 | Similar size (3,809 vs 3,938 sqft); Lot 18% larger (11,920 vs 10,125 sqft); Same quality (Average)
    $1,380,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 132 S Waiola Ave, La Grange, IL 60525
    3,896 sqft | $385/sqft | built 1915 | Similar size (3,896 sqft); Similar age (1915)
    $1,500,000
  • 624 S Spring Ave, La Grange, IL 60525
    3,742 sqft | $466/sqft | built 1934 | Similar size (3,742 sqft); Within 1 bedroom (4 vs 3)
    $1,742,500
  • 601 S Brainard Ave, La Grange, IL 60525
    June-29-2026 | 2,920 sqft | $360/sqft | built 1937 | Sold after the valuation date; Within 1 bedroom (4 vs 3)
    $1,050,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 30.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,420,010+$334,490+30.8%
2025$1,085,520−$34,480−3.1%
2024$1,120,000$00.0%
2023$1,120,000+$325,190+40.9%
2022$794,810$00.0%
2021$794,810+$200.0%
2020$794,790——
6-year total+$625,220+78.7%