Cook County Value

3938 Madison Ave, Brookfield, IL 60513

3 bed / 1 bath, 1,300 sqft, built 1944, in Lyons. Assessor market value for 2026: $171,420.

Cook County account 18031050160000

Assessor market value
$171,420
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,300 sqft
$132 per sqft
Year built
1944
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 60513 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 22.4% from $140,000 in 2025 to $171,420 in 2026.
  • Assessor market value per square footThe current public record shows about $132 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 60513.
  • Neighborhood value signalAmong 2,811 residential records in the same neighborhood, the average assessor market value is about $217 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +18.6% on average.

Comparable assessments

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

  • 3938 Madison Ave, Brookfield, IL 60513
    1,300 sqft | $132/sqft | built 1944 | Similar size (1,300 vs 1,300 sqft); Built same year (1944); Similar lot size (3,150 vs 3,150 sqft)
    $171,420
  • 4506 Deyo Ave, Brookfield, IL 60513
    1,288 sqft | $215/sqft | built 1941 | Similar size (1,288 vs 1,300 sqft); Similar age (1941 vs 1944); Similar lot size (3,150 vs 3,150 sqft)
    $277,420
  • 4145 Raymond Ave, Brookfield, IL 60513
    1,275 sqft | $138/sqft | built 1946 | Similar size (1,275 vs 1,300 sqft); Similar age (1946 vs 1944); Similar lot size (3,150 vs 3,150 sqft)
    $176,420
  • 4145 Raymond Ave, Brookfield, IL 60513
    1,275 sqft | $138/sqft | built 1946 | Similar size (1,275 vs 1,300 sqft); Similar age (1946 vs 1944); Similar lot size (3,150 vs 3,150 sqft)
    $176,420
  • 3925 Park Ave, Brookfield, IL 60513
    1,315 sqft | $115/sqft | built 1940 | Similar size (1,315 vs 1,300 sqft); Similar age (1940 vs 1944); Similar lot size (3,150 vs 3,150 sqft)
    $151,420

Recent comparable sales

Sales selected by similarity to the subject property.

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 22.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$171,420+$31,420+22.4%
2025$140,000$00.0%
2024$140,000$00.0%
2023$140,000+$28,140+25.2%
2022$111,860$00.0%
2021$111,860+$100.0%
2020$111,850——
6-year total+$59,570+53.3%