Cook County Value

7140 S Emerald Ave 2, Chicago, IL 60621

4 bed / 2 bath, 1,890 sqft, built 1888, in Lake. Assessor market value for 2025: $45,010.

Cook County account 20281000320000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$45,010
Similar homes$74,484
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$45,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,890 sqft
$24 per sqft
Year built
1888
Average quality

What we found

Similar homes' assessments

Weak

2 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $39.26/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $11,630. Counting your land in place of theirs where theirs is less, they support a value of $74,484.

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 $45,010 in 2024 to $45,010 in 2025.
  • Assessor market value per square footThe current public record shows about $24 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 2,237 residential records in the same neighborhood, the average assessor market value is about $50 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 7119 S Emerald Ave, Chicago, IL 60621
    1,883 sqft | $34/sqft | built 1895 | Similar size (1,883 vs 1,890 sqft); Similar lot size (3,875 vs 3,875 sqft); Same quality (Average)
    $64,010
  • 7145 S Union Ave, Chicago, IL 60621
    1,890 sqft | $48/sqft | built 1893 | Similar size (1,890 vs 1,890 sqft); Similar age (1893 vs 1888); Similar lot size (3,875 vs 3,875 sqft)
    $91,010
  • 7220 S Lowe Ave, Chicago, IL 60621
    1,876 sqft | $49/sqft | built 1896 | Similar size (1,876 vs 1,890 sqft); Similar lot size (3,875 vs 3,875 sqft); Same quality (Average)
    $91,010
  • 7405 S Normal Ave, Chicago, IL 60621
    1,956 sqft | $23/sqft | built 1888 | Similar size (1,956 vs 1,890 sqft); Built same year (1888); Similar lot size (4,000 vs 3,875 sqft)
    $45,000
  • 7133 S Union Ave 2, Chicago, IL 60621
    1,936 sqft | $39/sqft | built 1891 | Similar size (1,936 vs 1,890 sqft); Similar age (1891 vs 1888); Similar lot size (3,875 vs 3,875 sqft)
    $76,010

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$45,010$00.0%
2024$45,010+$15,010+50.0%
2023$30,000$00.0%
2022$30,000$00.0%
2021$30,000−$48,540−61.8%
2020$78,540——
5-year total−$33,530−42.7%