Cook County Value

10550 S Prospect Ave, Chicago, IL 60643

3 bed / 2 bath, 1,309 sqft, built 1973, in Lake. Assessor market value for 2025: $280,000.

Cook County account 25182110260000

Assessor market value
$280,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,309 sqft
$214 per sqft
Year built
1973
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 60643 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 $280,000 in 2024 to $280,000 in 2025.
  • Assessor market value per square footThe current public record shows about $214 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 60643.
  • Neighborhood value signalAmong 1,095 residential records in the same neighborhood, the average assessor market value is about $178 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.

  • 10554 S Prospect Ave, Chicago, IL 60643
    1,309 sqft | $214/sqft | built 1974 | Similar size (1,309 vs 1,309 sqft); Similar age (1974 vs 1973); Similar lot size (6,480 vs 6,720 sqft)
    $280,000
  • 10424 S Wood St, Chicago, IL 60643
    1,300 sqft | $262/sqft | built 1968 | Similar size (1,300 vs 1,309 sqft); Similar age (1968 vs 1973); Similar lot size (7,350 vs 6,720 sqft)
    $340,010
  • 10804 S Prospect Ave, Chicago, IL 60643
    1,338 sqft | $149/sqft | built 1958 | Similar size (1,338 vs 1,309 sqft); Similar lot size (6,800 vs 6,720 sqft); Same quality (Average)
    $200,000
  • 1620 W 106th St, Chicago, IL 60643
    1,210 sqft | $223/sqft | built 1972 | 8% smaller (1,210 vs 1,309 sqft); Similar age (1972 vs 1973); Lot 11% larger (7,450 vs 6,720 sqft)
    $270,010
  • 10610 S Church St, Chicago, IL 60643
    1,217 sqft | $222/sqft | built 1975 | 7% smaller (1,217 vs 1,309 sqft); Similar age (1975 vs 1973); Lot 13% larger (7,616 vs 6,720 sqft)
    $270,000

Recent comparable sales

Sales selected by similarity to the subject property.

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$280,000$00.0%
2024$280,000+$57,760+26.0%
2023$222,240−$8,980−3.9%
2022$231,220−$8,780−3.7%
2021$240,000+$46,230+23.9%
2020$193,770——
5-year total+$86,230+44.5%