Cook County Value

7257 N Olcott Ave, Chicago, IL 60631

5 bed / 2 bath, 2,548 sqft, built 1952, in Jefferson. Assessor market value for 2025: $634,750.

Cook County account 09254270470000

Assessor market value
$634,750
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,548 sqft
$249 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 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 $634,750 in 2024 to $634,750 in 2025.
  • Assessor market value per square footThe current public record shows about $249 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 1,269 residential records in the same neighborhood, the average assessor market value is about $298 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.

  • 7536 N Oriole Ave, Chicago, IL 60631
    2,483 sqft | $254/sqft | built 1955 | Similar size (2,483 vs 2,548 sqft); Similar age (1955 vs 1952); Similar lot size (5,625 vs 5,515 sqft)
    $630,010
  • 7339 W Howard St, Chicago, IL 60631
    2,467 sqft | $203/sqft | built 1954 | Similar size (2,467 vs 2,548 sqft); Similar age (1954 vs 1952); Similar lot size (5,500 vs 5,515 sqft)
    $500,000
  • 7331 N Oleander Ave, Chicago, IL 60631
    2,578 sqft | $248/sqft | built 1953 | Similar size (2,578 vs 2,548 sqft); Similar age (1953 vs 1952); Similar lot size (5,625 vs 5,515 sqft)
    $639,480
  • 7321 N Oleander Ave, Chicago, IL 60631
    2,581 sqft | $247/sqft | built 1954 | Similar size (2,581 vs 2,548 sqft); Similar age (1954 vs 1952); Similar lot size (5,625 vs 5,515 sqft)
    $637,290
  • 7249 N Oketo Ave, Chicago, IL 60631
    2,410 sqft | $233/sqft | built 1953 | 5% smaller (2,410 vs 2,548 sqft); Similar age (1953 vs 1952); Similar lot size (5,625 vs 5,515 sqft)
    $561,190

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

Down 3.8% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$634,750−$25,260−3.8%
2024$660,010+$124,700+23.3%
2023$535,310$00.0%
2022$535,310−$44,690−7.7%
2021$580,000+$124,340+27.3%
2020$455,660——
5-year total+$179,090+39.3%