Cook County Value

626 Clarence Ave, Oak Park, IL 60304

3 bed / 2 bath, 1,320 sqft, built 1914, in Oak Park. Assessor market value for 2026: $440,000.

Cook County account 16182110100000

Assessor market value
$440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,320 sqft
$333 per sqft
Year built
1914
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 60304, Oak Park, and Oak Park assessment pages.

Local guide: Oak Park Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Oak Park 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 increased 18.9% from $370,000 in 2025 to $440,000 in 2026.
  • Assessor market value per square footThe current public record shows about $333 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Oak Park neighborhood and ZIP 60304.
  • Neighborhood value signalAmong 1,503 residential records in the same neighborhood, the average assessor market value is about $318 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +27.4% on average.

Comparable assessments

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

  • 737 Gunderson Ave, Oak Park, IL 60304
    1,320 sqft | $258/sqft | built 1914 | Similar size (1,320 vs 1,320 sqft); Built same year (1914); Similar lot size (3,937 vs 3,780 sqft)
    $340,000
  • 813 Clarence Ave, Oak Park, IL 60304
    1,338 sqft | $389/sqft | built 1913 | Similar size (1,338 vs 1,320 sqft); Similar age (1913 vs 1914); Similar lot size (3,750 vs 3,780 sqft)
    $520,000
  • 628 Clarence Ave, Oak Park, IL 60304
    1,288 sqft | $373/sqft | built 1915 | Similar size (1,288 vs 1,320 sqft); Similar age (1915 vs 1914); Similar lot size (3,780 vs 3,780 sqft)
    $480,000
  • 624 Clarence Ave, Oak Park, IL 60304
    1,364 sqft | $374/sqft | built 1916 | Similar size (1,364 vs 1,320 sqft); Similar age (1916 vs 1914); Similar lot size (3,780 vs 3,780 sqft)
    $510,000
  • 514 Wesley Ave, Oak Park, IL 60304
    1,380 sqft | $297/sqft | built 1913 | Similar size (1,380 vs 1,320 sqft); Similar age (1913 vs 1914); Similar lot size (3,780 vs 3,780 sqft)
    $410,000

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

Up 18.9% 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+$70,000+18.9%
2025$370,000$00.0%
2024$370,000$00.0%
2023$370,000+$8,140+2.2%
2022$361,860$00.0%
2021$361,860+$100.0%
2020$361,850——
6-year total+$78,150+21.6%