Cook County Value

1015 N Oak Park Ave, Oak Park, IL 60302

4 bed / 1 bath, 2,760 sqft, built 1929, in Oak Park. Assessor market value for 2026: $830,000.

Cook County account 16061190210000

Small or uncertain difference

about $10,000

8 similar homes nearby point to a value about $10,000 lower than yours, a small or uncertain difference.

Assessor market value$830,000
Similar homes$820,216
$9,784 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$830,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,760 sqft
$301 per sqft
Year built
1929
Average quality

Why we think so

Similar homes' assessments

Weak

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $297.18/sqft, which supports a value of $820,216.

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 15.3% from $720,000 in 2025 to $830,000 in 2026.
  • Assessor market value per square footThe current public record shows about $301 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 1,293 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 +18.7% on average.

Comparable assessments

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

  • 1106 N Grove Ave, Oak Park, IL 60302
    2,786 sqft | $345/sqft | built 1929 | Similar size (2,786 vs 2,760 sqft); Built same year (1929); Similar lot size (8,150 vs 8,150 sqft)
    $960,000
  • 1004 N Marion St, Oak Park, IL 60302
    2,750 sqft | $279/sqft | built 1930 | Similar size (2,750 vs 2,760 sqft); Similar age (1930 vs 1929); Similar lot size (8,050 vs 8,150 sqft)
    $766,940
  • 938 N Grove Ave, Oak Park, IL 60302
    2,692 sqft | $297/sqft | built 1926 | Similar size (2,692 vs 2,760 sqft); Similar age (1926 vs 1929); Similar lot size (8,150 vs 8,150 sqft)
    $800,000
  • 1015 Forest Ave, Oak Park, IL 60302
    2,732 sqft | $311/sqft | built 1929 | Similar size (2,732 vs 2,760 sqft); Built same year (1929); Similar lot size (8,300 vs 8,150 sqft)
    $850,000
  • 1042 N Grove Ave, Oak Park, IL 60302
    2,684 sqft | $317/sqft | built 1925 | Similar size (2,684 vs 2,760 sqft); Similar age (1925 vs 1929); Similar lot size (8,150 vs 8,150 sqft)
    $850,000

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 15.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$830,000+$110,000+15.3%
2025$720,000$00.0%
2024$720,000$00.0%
2023$720,000+$186,580+35.0%
2022$533,420$00.0%
2021$533,420+$100.0%
2020$533,410——
6-year total+$296,590+55.6%