Cook County Value

20018 Oregon Trl, Olympia Fields, IL 60461

5 bed / 2 bath, 5,648 sqft, built 1995, in Rich. Assessor market value for 2025: $489,110.

Cook County account 31142010110000

Assessor market value
$489,110
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,648 sqft
$87 per sqft
Year built
1995
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 60461 and Rich assessment pages.

Appeal deadlines

Rich 2026 appeal dates 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 stayed about the same, from $489,110 in 2024 to $489,110 in 2025.
  • Assessor market value per square footThe current public record shows about $87 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Rich neighborhood and ZIP 60461.
  • Neighborhood value signalAmong 41 residential records in the same neighborhood, the average assessor market value is about $110 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 3244 Platte Trl, Olympia Fields, IL 60461
    5,118 sqft | $86/sqft | built 1994 | 9% smaller (5,118 vs 5,648 sqft); Similar age (1994 vs 1995); Lot 12% smaller (15,850 vs 17,944 sqft)
    $440,010
  • 3262 Platte Trl, Olympia Fields, IL 60461
    4,654 sqft | $48/sqft | built 1992 | Similar age (1992 vs 1995); Similar lot size (17,223 vs 17,944 sqft); Same quality (Average)
    $223,240
  • 3309 Cumberland Trl, Olympia Fields, IL 60461
    5,892 sqft | $83/sqft | built 1999 | Similar size (5,892 vs 5,648 sqft); Similar age (1999 vs 1995); Same quality (Average)
    $490,010
  • 3262 Platte Trl, Olympia Fields, IL 60461
    4,654 sqft | $47/sqft | built 1992 | Similar age (1992 vs 1995); Lot 12% smaller (15,780 vs 17,944 sqft); Same quality (Average)
    $216,750
  • 3211 Hudson Trl, Olympia Fields, IL 60461
    4,084 sqft | $98/sqft | built 1994 | Similar age (1994 vs 1995); Similar lot size (19,545 vs 17,944 sqft); Same quality (Average)
    $400,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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

No change in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$489,110$00.0%
2024$489,110−$110,890−18.5%
2023$600,000+$38,000+6.8%
2022$562,000$00.0%
2021$562,000−$33,750−5.7%
2020$595,750——
5-year total−$106,640−17.9%