Cook County Value

307 Gale Ave River Forest, IL 60305

4 bed / 2 bath, 2,860 sqft, built 1903, in River Forest. Assessor market value for 2026: $674,200.

Cook County account 15123000130000

In line with similar homes

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

Assessor market value$674,200
Similar homes$1,056,569
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
$674,200
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,860 sqft
$236 per sqft
Year built
1903
Average quality

What we found

Similar homes' assessments

Weak

0 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $369.43/sqft, which supports a value of $1,056,569.

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 60305 and River Forest assessment pages.

Local guide: River Forest Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for River Forest 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 23.2% from $547,090 in 2025 to $674,200 in 2026.
  • Assessor market value per square footThe current public record shows about $236 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the River Forest neighborhood and ZIP 60305.
  • Neighborhood value signalAmong 709 residential records in the same neighborhood, the average assessor market value is about $341 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +16.9% on average.

Comparable assessments

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

  • 223 Gale Ave River Forest, IL 60305
    2,888 sqft | $377/sqft | built 1897 | Similar size (2,888 vs 2,860 sqft); Similar lot size (9,400 vs 9,400 sqft); Same quality (Average)
    $1,090,000
  • 118 Ashland Ave River Forest, IL 60305
    2,761 sqft | $369/sqft | built 1903 | Similar size (2,761 vs 2,860 sqft); Built same year (1903); Similar lot size (9,612 vs 9,400 sqft)
    $1,020,000
  • 330 Gale Ave River Forest, IL 60305
    2,743 sqft | $350/sqft | built 1909 | Similar size (2,743 vs 2,860 sqft); Similar lot size (9,600 vs 9,400 sqft); Same quality (Average)
    $960,000
  • 35 Keystone Ave River Forest, IL 60305
    2,720 sqft | $320/sqft | built 1899 | Similar size (2,720 vs 2,860 sqft); Similar age (1899 vs 1903); Similar lot size (9,400 vs 9,400 sqft)
    $870,000
  • 347 Gale Ave River Forest, IL 60305
    2,872 sqft | $338/sqft | built 1916 | Similar size (2,872 vs 2,860 sqft); Similar lot size (9,108 vs 9,400 sqft); Same quality (Average)
    $970,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 35 Keystone Ave River Forest, IL 60305
    2,720 sqft | $381/sqft | built 1899 | Similar size (2,720 sqft); Moderate age difference (4 years older)
    $1,037,500
  • 831 William St River Forest, IL 60305
    2,380 sqft | $389/sqft | built 1915 | Within 1 bedroom (3 vs 4)
    $926,500

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 23.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$674,200+$127,110+23.2%
2025$547,090−$332,910−37.8%
2024$880,000$00.0%
2023$880,000+$232,820+36.0%
2022$647,180$00.0%
2021$647,180+$4,200+0.7%
2020$642,980——
6-year total+$31,220+4.9%