Cook County Value

7977 Washington Blvd River Forest, IL 60305

5 bed / 3 bath, 2,805 sqft, built 1918, in River Forest. Assessor market value for 2026: $870,000.

Cook County account 15123110010000

Assessor market value
$870,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,805 sqft
$310 per sqft
Year built
1918
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 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 14.2% from $761,810 in 2025 to $870,000 in 2026.
  • Assessor market value per square footThe current public record shows about $310 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.

  • 118 Gale Ave River Forest, IL 60305
    2,740 sqft | $332/sqft | built 1918 | Similar size (2,740 vs 2,805 sqft); Built same year (1918); Similar lot size (10,000 vs 11,092 sqft)
    $910,000
  • 125 Thatcher Ave River Forest, IL 60305
    2,935 sqft | $320/sqft | built 1924 | Similar size (2,935 vs 2,805 sqft); Similar lot size (11,000 vs 11,092 sqft); Same quality (Average)
    $940,000
  • 143 Gale Ave River Forest, IL 60305
    3,030 sqft | $366/sqft | built 1911 | 8% larger (3,030 vs 2,805 sqft); Similar lot size (11,092 vs 11,092 sqft); Same quality (Average)
    $1,110,000
  • 115 Gale Ave River Forest, IL 60305
    2,862 sqft | $349/sqft | built 1924 | Similar size (2,862 vs 2,805 sqft); Lot 15% smaller (9,400 vs 11,092 sqft); Same quality (Average)
    $1,000,000
  • 45 Keystone Ave River Forest, IL 60305
    2,703 sqft | $359/sqft | built 1921 | Similar size (2,703 vs 2,805 sqft); Similar age (1921 vs 1918); Lot 17% smaller (9,259 vs 11,092 sqft)
    $970,000

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 14.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$870,000+$108,190+14.2%
2025$761,810−$58,190−7.1%
2024$820,000$00.0%
2023$820,000+$248,450+43.5%
2022$571,550$00.0%
2021$571,550+$100.0%
2020$571,540——
6-year total+$298,460+52.2%