Cook County Value

9231 Kostner Ave, Skokie, IL 60076

4 bed / 2 bath, 1,912 sqft, built 1923, in Niles. Assessor market value for 2025: $507,020.

Cook County account 10152230090000

Likely too high

about $39,000

8 similar homes nearby point to a value about $39,000 lower than yours.

Assessor market value$507,020
Similar homes$468,382
$38,638 gap · bars start at $0

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

Assessor market value
$507,020
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,912 sqft
$265 per sqft
Year built
1923
Average quality

Why we think so

Similar homes' assessments

Strong

6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $244.97/sqft, which supports a value of $468,382.

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 60076 and Niles assessment pages.

Appeal deadlines

Niles 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 $507,020 in 2024 to $507,020 in 2025.
  • Assessor market value per square footThe current public record shows about $265 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Niles neighborhood and ZIP 60076.
  • Neighborhood value signalAmong 2,375 residential records in the same neighborhood, the average assessor market value is about $243 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.

  • 9348 Karlov Ave, Skokie, IL 60076
    1,954 sqft | $281/sqft | built 1927 | Similar size (1,954 vs 1,912 sqft); Similar age (1927 vs 1923); Similar lot size (3,690 vs 3,690 sqft)
    $550,010
  • 9847 Keeler Ave, Skokie, IL 60076
    1,837 sqft | $245/sqft | built 1930 | Similar size (1,837 vs 1,912 sqft); Similar lot size (3,690 vs 3,690 sqft); Same quality (Average)
    $450,010
  • 9601 Kedvale Ave, Skokie, IL 60076
    1,830 sqft | $92/sqft | built 1921 | Similar size (1,830 vs 1,912 sqft); Similar age (1921 vs 1923); Similar lot size (3,325 vs 3,690 sqft)
    $168,470
  • 4124 Kedvale Ave Skokie
    1,830 sqft | $186/sqft | built 1921 | Similar size (1,830 vs 1,912 sqft); Similar age (1921 vs 1923); Lot 12% larger (4,143 vs 3,690 sqft)
    $340,670
  • 9237 Kenton Ave, Skokie, IL 60076
    1,732 sqft | $271/sqft | built 1927 | 9% smaller (1,732 vs 1,912 sqft); Similar age (1927 vs 1923); Lot 11% larger (4,097 vs 3,690 sqft)
    $470,000

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

Up 36.9% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$507,020+$136,550+36.9%
2024$370,470−$59,530−13.8%
2023$430,000$00.0%
2022$430,000+$72,640+20.3%
2021$357,360+$100.0%
2020$357,350——
5-year total+$149,670+41.9%