Cook County Value

6107 N Ottawa Ave, Chicago, IL 60631

4 bed / 1 bath, 2,368 sqft, built 1950, in Jefferson. Assessor market value for 2025: $570,000.

Cook County account 12011230190000

Assessor market value
$570,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,368 sqft
$241 per sqft
Year built
1950
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 60631 and Jefferson assessment pages.

Appeal deadlines

Jefferson 2026 appeal dates have not been published yet.

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 $570,000 in 2024 to $570,000 in 2025.
  • Assessor market value per square footThe current public record shows about $241 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Jefferson neighborhood and ZIP 60631.
  • Neighborhood value signalAmong 3,724 residential records in the same neighborhood, the average assessor market value is about $282 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.

  • 6106 N Overhill Ave, Chicago, IL 60631
    2,387 sqft | $239/sqft | built 1946 | Similar size (2,387 vs 2,368 sqft); Similar age (1946 vs 1950); Similar lot size (4,815 vs 5,000 sqft)
    $570,010
  • 5246 N Oketo Ave, Chicago, IL 60656
    2,352 sqft | $206/sqft | built 1951 | Similar size (2,352 vs 2,368 sqft); Similar age (1951 vs 1950); Similar lot size (4,953 vs 5,000 sqft)
    $483,460
  • 5357 N Olcott Ave, Chicago, IL 60656
    2,366 sqft | $254/sqft | built 1952 | Similar size (2,366 vs 2,368 sqft); Similar age (1952 vs 1950); Similar lot size (4,931 vs 5,000 sqft)
    $600,010
  • 7801 W Farragut Ave, Chicago, IL 60656
    2,396 sqft | $230/sqft | built 1948 | Similar size (2,396 vs 2,368 sqft); Similar age (1948 vs 1950); Similar lot size (4,760 vs 5,000 sqft)
    $550,000
  • 7821 W Catalpa Ave, Chicago, IL 60656
    2,355 sqft | $217/sqft | built 1944 | Similar size (2,355 vs 2,368 sqft); Similar lot size (5,124 vs 5,000 sqft); Same quality (Average)
    $510,000

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$570,000$00.0%
2024$570,000+$100,000+21.3%
2023$470,000$00.0%
2022$470,000$00.0%
2021$470,000+$44,270+10.4%
2020$425,730——
5-year total+$144,270+33.9%