Cook County Value

6707 S Union Ave, Chicago, IL 60621

4 bed / 2 bath, 2,657 sqft, built 1916, in Lake. Assessor market value for 2025: $106,460.

Cook County account 20213020020000

In line with similar homes

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

Assessor market value$106,460
Similar homes$135,453
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
$106,460
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,657 sqft
$40 per sqft
Year built
1916
Average quality

What we found

Similar homes' assessments

Weak

0 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $50.98/sqft, which supports a value of $135,453.

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 $106,460 in 2024 to $106,460 in 2025.
  • Assessor market value per square footThe current public record shows about $40 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 1,674 residential records in the same neighborhood, the average assessor market value is about $55 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.

  • 6933 S Green St 2, Chicago, IL 60621
    2,650 sqft | $49/sqft | built 1916 | Similar size (2,650 vs 2,657 sqft); Built same year (1916); Similar lot size (4,000 vs 4,048 sqft)
    $130,000
  • 6920 S Green St 2, Chicago, IL 60621
    2,550 sqft | $55/sqft | built 1913 | Similar size (2,550 vs 2,657 sqft); Similar age (1913 vs 1916); Similar lot size (3,968 vs 4,048 sqft)
    $140,000
  • 6932 S Green St, Chicago, IL 60621
    2,800 sqft | $46/sqft | built 1913 | 5% larger (2,800 vs 2,657 sqft); Similar age (1913 vs 1916); Similar lot size (3,968 vs 4,048 sqft)
    $130,000
  • 6845 S Paulina St, Chicago, IL 60636
    2,800 sqft | $54/sqft | built 1916 | 5% larger (2,800 vs 2,657 sqft); Built same year (1916); Similar lot size (4,250 vs 4,048 sqft)
    $150,000
  • 6922 S Peoria St, Chicago, IL 60621
    2,550 sqft | $51/sqft | built 1918 | Similar size (2,550 vs 2,657 sqft); Similar age (1918 vs 1916); Similar lot size (3,968 vs 4,048 sqft)
    $130,000

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

Down 11.3% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$106,460−$13,540−11.3%
2024$120,000+$72,690+153.6%
2023$47,310$00.0%
2022$47,310−$2,690−5.4%
2021$50,000−$18,270−26.8%
2020$68,270——
5-year total+$38,190+55.9%