Cook County Value

8022 N Harlem Ave, Niles, IL 60714

3 bed / 2 bath, 2,010 sqft, built 1954, in Leyden. Assessor market value for 2026: $440,000.

Cook County account 09244250540000

Assessor market value
$440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,010 sqft
$219 per sqft
Year built
1954
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 60714 and Leyden assessment pages.

Local guide: Maine Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Maine have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 $440,000 in 2025 to $440,000 in 2026.
  • Assessor market value per square footThe current public record shows about $219 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Leyden neighborhood and ZIP 60714.
  • Neighborhood value signalAmong 4,336 residential records in the same neighborhood, the average assessor market value is about $284 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 8121 N Ottawa Ave 1, Niles, IL 60714
    2,030 sqft | $241/sqft | built 1961 | Similar size (2,030 vs 2,010 sqft); Similar lot size (5,022 vs 4,914 sqft); Same quality (Average)
    $490,000
  • 8132 N Wisner St, Niles, IL 60714
    2,019 sqft | $258/sqft | built 1955 | Similar size (2,019 vs 2,010 sqft); Similar age (1955 vs 1954); Similar lot size (5,360 vs 4,914 sqft)
    $520,000
  • 7400 W Kedzie St, Niles, IL 60714
    1,946 sqft | $134/sqft | built 1955 | Similar size (1,946 vs 2,010 sqft); Similar age (1955 vs 1954); Lot 11% smaller (4,389 vs 4,914 sqft)
    $259,920
  • 8247 N Oleander Ave, Niles, IL 60714
    1,991 sqft | $231/sqft | built 1953 | Similar size (1,991 vs 2,010 sqft); Similar age (1953 vs 1954); Lot 15% larger (5,629 vs 4,914 sqft)
    $460,000
  • 8018 N Overhill Ave, Niles, IL 60714
    2,016 sqft | $237/sqft | built 1957 | Similar size (2,016 vs 2,010 sqft); Similar age (1957 vs 1954); Similar lot size (5,360 vs 4,914 sqft)
    $478,520

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2026. 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 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$440,000$00.0%
2025$440,000+$100,000+29.4%
2024$340,000$00.0%
2023$340,000$00.0%
2022$340,000+$30,980+10.0%
2021$309,020$00.0%
2020$309,020——
6-year total+$130,980+42.4%