Cook County Value

312 S Oak Park Ave 2s, Oak Park, IL 60302

8 bed / 4 bath, 3,376 sqft, built 1898, in Oak Park. Assessor market value for 2026: $686,170.

Cook County account 16074120060000

Assessor market value
$686,170
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,376 sqft
$203 per sqft
Year built
1898
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 60302, 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 20.0% from $571,760 in 2025 to $686,170 in 2026.
  • Assessor market value per square footThe current public record shows about $203 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 60302.
  • Neighborhood value signalAmong 443 residential records in the same neighborhood, the average assessor market value is about $293 per square foot.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 310 Wesley Ave, Oak Park, IL 60302
    3,433 sqft | $329/sqft | built 1895 | Similar size (3,433 vs 3,376 sqft); Similar age (1895 vs 1898); Similar lot size (9,275 vs 9,250 sqft)
    $1,128,190
  • 231 Wesley Ave, Oak Park, IL 60302
    3,304 sqft | $306/sqft | built 1899 | Similar size (3,304 vs 3,376 sqft); Similar age (1899 vs 1898); Similar lot size (8,750 vs 9,250 sqft)
    $1,009,930
  • 230 S Euclid Ave, Oak Park, IL 60302
    3,279 sqft | $306/sqft | built 1898 | Similar size (3,279 vs 3,376 sqft); Built same year (1898); Similar lot size (8,750 vs 9,250 sqft)
    $1,004,790
  • 424 Pleasant St, Oak Park, IL 60302
    3,350 sqft | $313/sqft | built 1902 | Similar size (3,350 vs 3,376 sqft); Similar age (1902 vs 1898); Similar lot size (8,750 vs 9,250 sqft)
    $1,047,050
  • 125 S East Ave, Oak Park, IL 60302
    3,338 sqft | $333/sqft | built 1894 | Similar size (3,338 vs 3,376 sqft); Similar age (1894 vs 1898); Similar lot size (8,750 vs 9,250 sqft)
    $1,110,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 20.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$686,170+$114,410+20.0%
2025$571,760$00.0%
2024$571,760−$48,780−7.9%
2023$620,540+$130,460+26.6%
2022$490,080$00.0%
2021$490,080+$200.0%
2020$490,060——
6-year total+$196,110+40.0%