Cook County Value

520 W 81st St 1, Chicago, IL 60620

5 bed / 2 bath, 2,063 sqft, built 1886, in Lake. Assessor market value for 2025: $150,000.

Cook County account 20331120350000

Assessor market value
$150,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,063 sqft
$73 per sqft
Year built
1886
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 60620 and Lake assessment pages.

Appeal deadlines

For Lake, appeals to the Assessor are open through (10 days left).

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 $150,000 in 2024 to $150,000 in 2025.
  • Assessor market value per square footThe current public record shows about $73 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lake neighborhood and ZIP 60620.
  • Neighborhood value signalAmong 733 residential records in the same neighborhood, the average assessor market value is about $74 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.

  • 500 W 81st Pl, Chicago, IL 60620
    2,016 sqft | $64/sqft | built 1888 | Similar size (2,016 vs 2,063 sqft); Similar age (1888 vs 1886); Similar lot size (3,050 vs 3,000 sqft)
    $130,000
  • 8426 S Kerfoot Ave, Chicago, IL 60620
    2,008 sqft | $43/sqft | built 1888 | Similar size (2,008 vs 2,063 sqft); Similar age (1888 vs 1886); Similar lot size (3,100 vs 3,000 sqft)
    $85,780
  • 7700 S Emerald Ave, Chicago, IL 60620
    2,063 sqft | $63/sqft | built 1893 | Similar size (2,063 vs 2,063 sqft); Similar lot size (3,220 vs 3,000 sqft); Same quality (Average)
    $130,000
  • 8330 S Kerfoot Ave 1, Chicago, IL 60620
    2,093 sqft | $76/sqft | built 1893 | Similar size (2,093 vs 2,063 sqft); Similar lot size (2,900 vs 3,000 sqft); Same quality (Average)
    $160,000
  • 7938 S Normal Ave, Chicago, IL 60620
    1,890 sqft | $175/sqft | built 1888 | 8% smaller (1,890 vs 2,063 sqft); Similar age (1888 vs 1886); Similar lot size (3,000 vs 3,000 sqft)
    $330,000

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$150,000$00.0%
2024$150,000+$110,000+275.0%
2023$40,000$00.0%
2022$40,000$00.0%
2021$40,000−$76,860−65.8%
2020$116,860——
5-year total+$33,140+28.4%