Cook County Value

1110 Harrison St, Oak Park, IL 60304

4 bed / 2 bath, 1,859 sqft, built 1920, in Oak Park. Assessor market value for 2026: $485,950.

Cook County account 16181270240000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$485,950
Similar homes$555,915
No gap: similar homes are at or above the county value · bars start at $0

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

Assessor market value
$485,950
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,859 sqft
$261 per sqft
Year built
1920
Average quality

What we found

Similar homes' assessments

Weak

1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $299.04/sqft, which supports a value of $555,915.

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 5.8% from $459,410 in 2025 to $485,950 in 2026.
  • Assessor market value per square footThe current public record shows about $261 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.

  • 608 Home Ave, Oak Park, IL 60304
    1,864 sqft | $299/sqft | built 1916 | Similar size (1,864 vs 1,859 sqft); Similar age (1916 vs 1920); Similar lot size (3,525 vs 3,465 sqft)
    $557,410
  • 739 S Scoville Ave, Oak Park, IL 60304
    1,884 sqft | $292/sqft | built 1914 | Similar size (1,884 vs 1,859 sqft); Similar lot size (3,528 vs 3,465 sqft); Same quality (Average)
    $550,000
  • 625 Carpenter Ave, Oak Park, IL 60304
    1,884 sqft | $342/sqft | built 1913 | Similar size (1,884 vs 1,859 sqft); Similar lot size (3,600 vs 3,465 sqft); Same quality (Average)
    $645,000
  • 834 Wesley Ave, Oak Park, IL 60304
    1,843 sqft | $260/sqft | built 1918 | Similar size (1,843 vs 1,859 sqft); Similar age (1918 vs 1920); Similar lot size (3,125 vs 3,465 sqft)
    $480,000
  • 639 Clarence Ave, Oak Park, IL 60304
    1,835 sqft | $367/sqft | built 1918 | Similar size (1,835 vs 1,859 sqft); Similar age (1918 vs 1920); Similar lot size (3,780 vs 3,465 sqft)
    $672,720

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 5.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$485,950+$26,540+5.8%
2025$459,410$00.0%
2024$459,410+$59,410+14.9%
2023$400,000+$29,360+7.9%
2022$370,640$00.0%
2021$370,640$00.0%
2020$370,640——
6-year total+$115,310+31.1%