Cook County Value

3921 Arthur Ave, Brookfield, IL 60513

3 bed / 1 bath, 1,003 sqft, built 1954, in Lyons. Assessor market value for 2026: $170,000.

Cook County account 18031070400000

Assessor market value
$170,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,003 sqft
$169 per sqft
Year built
1954
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 decreased 6.7% from $182,240 in 2025 to $170,000 in 2026.
  • Assessor market value per square footThe current public record shows about $169 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.

  • 3909 Maple Ave, Brookfield, IL 60513
    1,003 sqft | $189/sqft | built 1954 | Similar size (1,003 vs 1,003 sqft); Built same year (1954); Similar lot size (3,398 vs 3,278 sqft)
    $190,000
  • 3914 Maple Ave, Brookfield, IL 60513
    1,003 sqft | $199/sqft | built 1954 | Similar size (1,003 vs 1,003 sqft); Built same year (1954); Similar lot size (3,129 vs 3,278 sqft)
    $200,010
  • 3915 Arthur Ave, Brookfield, IL 60513
    1,003 sqft | $169/sqft | built 1954 | Similar size (1,003 vs 1,003 sqft); Built same year (1954); Similar lot size (3,227 vs 3,278 sqft)
    $170,000
  • 3910 Vernon Ave, Brookfield, IL 60513
    1,008 sqft | $131/sqft | built 1955 | Similar size (1,008 vs 1,003 sqft); Similar age (1955 vs 1954); Similar lot size (3,150 vs 3,278 sqft)
    $131,730
  • 4035 Oak Ave, Brookfield, IL 60513
    1,009 sqft | $130/sqft | built 1953 | Similar size (1,009 vs 1,003 sqft); Similar age (1953 vs 1954); Similar lot size (3,150 vs 3,278 sqft)
    $131,450

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: . 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

Down 6.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$170,000−$12,240−6.7%
2025$182,240$00.0%
2024$182,240$00.0%
2023$182,240+$34,750+23.6%
2022$147,490$00.0%
2021$147,490+$100.0%
2020$147,480——
6-year total+$22,520+15.3%