Cook County Value

6446 S May St 1, Chicago, IL 60621

6 bed / 2 bath, 2,193 sqft, built 1886, in Lake. Assessor market value for 2025: $91,010.

Cook County account 20202080410000

Assessor market value
$91,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,193 sqft
$42 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 60621 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 $91,010 in 2024 to $91,010 in 2025.
  • Assessor market value per square footThe current public record shows about $42 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 60621.
  • Neighborhood value signalAmong 2,257 residential records in the same neighborhood, the average assessor market value is about $60 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.

  • 6431 S Aberdeen St, Chicago, IL 60621
    2,172 sqft | $42/sqft | built 1888 | Similar size (2,172 vs 2,193 sqft); Similar age (1888 vs 1886); Similar lot size (3,125 vs 3,125 sqft)
    $91,010
  • 6231 S Racine Ave, Chicago, IL 60636
    2,214 sqft | $108/sqft | built 1888 | Similar size (2,214 vs 2,193 sqft); Similar age (1888 vs 1886); Similar lot size (3,125 vs 3,125 sqft)
    $240,010
  • 6339 S Laflin St, Chicago, IL 60636
    2,178 sqft | $96/sqft | built 1886 | Similar size (2,178 vs 2,193 sqft); Built same year (1886); Similar lot size (3,100 vs 3,125 sqft)
    $210,000
  • 6012 S Carpenter St, Chicago, IL 60621
    2,210 sqft | $63/sqft | built 1888 | Similar size (2,210 vs 2,193 sqft); Similar age (1888 vs 1886); Similar lot size (3,125 vs 3,125 sqft)
    $140,010
  • 6234 S Morgan St, Chicago, IL 60621
    2,136 sqft | $25/sqft | built 1888 | Similar size (2,136 vs 2,193 sqft); Similar age (1888 vs 1886); Similar lot size (3,125 vs 3,125 sqft)
    $52,970

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$91,010$00.0%
2024$91,010+$46,000+102.2%
2023$45,010$00.0%
2022$45,010$00.0%
2021$45,010−$20,520−31.3%
2020$65,530——
5-year total+$25,480+38.9%