Cook County Value

2030 N Keystone Ave, Chicago, IL 60639

5 bed / 3 bath, 3,371 sqft, built 1909, in Jefferson. Assessor market value for 2025: $490,000.

Cook County account 13342310280000

In line with similar homes

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

Assessor market value$490,000
Similar homes$537,034
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
$490,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,371 sqft
$145 per sqft
Year built
1909
Average quality

What we found

Similar homes' assessments

Weak

3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $159.01/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 $138,750. Counting your land in place of theirs where theirs is less, they support a value of $537,034.

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 60639 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 $490,000 in 2024 to $490,000 in 2025.
  • Assessor market value per square footThe current public record shows about $145 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 60639.
  • Neighborhood value signalAmong 4,529 residential records in the same neighborhood, the average assessor market value is about $239 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.

  • 2309 N Ridgeway Ave, Chicago, IL 60647
    3,455 sqft | $159/sqft | built 1911 | Similar size (3,455 vs 3,371 sqft); Similar age (1911 vs 1909); Similar lot size (3,750 vs 3,750 sqft)
    $550,000
  • 2322 N Avers Ave, Chicago, IL 60647
    3,265 sqft | $162/sqft | built 1910 | Similar size (3,265 vs 3,371 sqft); Similar age (1910 vs 1909); Similar lot size (3,750 vs 3,750 sqft)
    $530,000
  • 2150 N Avers Ave, Chicago, IL 60647
    3,338 sqft | $177/sqft | built 1908 | Similar size (3,338 vs 3,371 sqft); Similar age (1908 vs 1909); Similar lot size (3,750 vs 3,750 sqft)
    $590,000
  • 1839 N Harding Ave, Chicago, IL 60647
    3,262 sqft | $141/sqft | built 1910 | Similar size (3,262 vs 3,371 sqft); Similar age (1910 vs 1909); Similar lot size (3,780 vs 3,750 sqft)
    $460,000
  • 1701 N Harding Ave, Chicago, IL 60647
    3,396 sqft | $159/sqft | built 1908 | Similar size (3,396 vs 3,371 sqft); Similar age (1908 vs 1909); Similar lot size (3,750 vs 3,750 sqft)
    $540,000

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

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$490,000$00.0%
2024$490,000+$70,000+16.7%
2023$420,000$00.0%
2022$420,000$00.0%
2021$420,000+$156,460+59.4%
2020$263,540——
5-year total+$226,460+85.9%