Cook County Value

7943 N Octavia Ave, Niles, IL 60714

4 bed / 2 bath, 2,504 sqft, built 1952, in Leyden. Assessor market value for 2026: $612,220.

Cook County account 09252160030000

Assessor market value
$612,220
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,504 sqft
$244 per sqft
Year built
1952
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 decreased 4.3% from $640,000 in 2025 to $612,220 in 2026.
  • Assessor market value per square footThe current public record shows about $244 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.

  • 7840 N Octavia Ave, Niles, IL 60714
    2,514 sqft | $223/sqft | built 1953 | Similar size (2,514 vs 2,504 sqft); Similar age (1953 vs 1952); Similar lot size (6,650 vs 6,500 sqft)
    $559,840
  • 8347 N Oketo Ave, Niles, IL 60714
    2,500 sqft | $244/sqft | built 1955 | Similar size (2,500 vs 2,504 sqft); Similar age (1955 vs 1952); Similar lot size (6,650 vs 6,500 sqft)
    $610,000
  • 7325 Foster St, Morton Grove, IL 60053
    2,510 sqft | $223/sqft | built 1954 | Similar size (2,510 vs 2,504 sqft); Similar age (1954 vs 1952); Similar lot size (6,248 vs 6,500 sqft)
    $560,000
  • 7913 N Octavia Ave, Niles, IL 60714
    2,555 sqft | $215/sqft | built 1952 | Similar size (2,555 vs 2,504 sqft); Built same year (1952); Similar lot size (6,500 vs 6,500 sqft)
    $550,000
  • 7930 N Oketo Ave, Niles, IL 60714
    2,460 sqft | $227/sqft | built 1953 | Similar size (2,460 vs 2,504 sqft); Similar age (1953 vs 1952); Similar lot size (6,500 vs 6,500 sqft)
    $558,220

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

Down 4.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$612,220−$27,780−4.3%
2025$640,000+$116,080+22.2%
2024$523,920−$36,080−6.4%
2023$560,000$00.0%
2022$560,000+$217,240+63.4%
2021$342,760+$75,010+28.0%
2020$267,750——
6-year total+$344,470+128.7%