Cook County Value

1009 Mapleton Ave, Oak Park, IL 60302

3 bed / 2 bath, 1,951 sqft, built 1923, in Oak Park. Assessor market value for 2026: $550,010.

Cook County account 16051150260000

Assessor market value
$550,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,951 sqft
$282 per sqft
Year built
1923
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 60302, Oak Park, and Oak Park assessment pages.

Local guide: Oak Park Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Oak Park have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 31.6% from $417,880 in 2025 to $550,010 in 2026.
  • Assessor market value per square footThe current public record shows about $282 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Oak Park neighborhood and ZIP 60302.
  • Neighborhood value signalAmong 1,633 residential records in the same neighborhood, the average assessor market value is about $295 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +24.2% on average.

Comparable assessments

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

  • 1032 N Lombard Ave, Oak Park, IL 60302
    1,938 sqft | $273/sqft | built 1924 | Similar size (1,938 vs 1,951 sqft); Similar age (1924 vs 1923); Similar lot size (4,125 vs 4,125 sqft)
    $530,010
  • 1116 N Harvey Ave, Oak Park, IL 60302
    1,949 sqft | $282/sqft | built 1920 | Similar size (1,949 vs 1,951 sqft); Similar age (1920 vs 1923); Similar lot size (4,080 vs 4,125 sqft)
    $550,000
  • 809 Hayes Ave, Oak Park, IL 60302
    1,975 sqft | $268/sqft | built 1922 | Similar size (1,975 vs 1,951 sqft); Similar age (1922 vs 1923); Similar lot size (4,199 vs 4,125 sqft)
    $530,000
  • 1017 N Humphrey Ave, Oak Park, IL 60302
    1,925 sqft | $286/sqft | built 1925 | Similar size (1,925 vs 1,951 sqft); Similar age (1925 vs 1923); Similar lot size (4,158 vs 4,125 sqft)
    $550,000
  • 1118 N Lombard Ave, Oak Park, IL 60302
    1,924 sqft | $244/sqft | built 1924 | Similar size (1,924 vs 1,951 sqft); Similar age (1924 vs 1923); Similar lot size (4,247 vs 4,125 sqft)
    $470,000

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

Up 31.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$550,010+$132,130+31.6%
2025$417,880$00.0%
2024$417,880−$32,130−7.1%
2023$450,010+$100,010+28.6%
2022$350,000$00.0%
2021$350,000−$13,440−3.7%
2020$363,440——
6-year total+$186,570+51.3%