Cook County Value

1107 Jackson Ave River Forest, IL 60305

4 bed / 2 bath, 3,513 sqft, built 1924, in River Forest. Assessor market value for 2026: $1,380,000.

Cook County account 15014010080000

Assessor market value
$1,380,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,513 sqft
$393 per sqft
Year built
1924
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 39.2% from $991,550 in 2025 to $1,380,000 in 2026.
  • Assessor market value per square footThe current public record shows about $393 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 439 residential records in the same neighborhood, the average assessor market value is about $381 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +32.9% on average.

Comparable assessments

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

  • 909 William St River Forest, IL 60305
    3,537 sqft | $351/sqft | built 1923 | Similar size (3,537 vs 3,513 sqft); Similar age (1923 vs 1924); Similar lot size (12,220 vs 13,160 sqft)
    $1,240,000
  • 843 Monroe Ave River Forest, IL 60305
    3,600 sqft | $358/sqft | built 1921 | Similar size (3,600 vs 3,513 sqft); Similar age (1921 vs 1924); Similar lot size (14,100 vs 13,160 sqft)
    $1,290,000
  • 935 Clinton Pl River Forest, IL 60305
    3,582 sqft | $360/sqft | built 1923 | Similar size (3,582 vs 3,513 sqft); Similar age (1923 vs 1924); Similar lot size (12,220 vs 13,160 sqft)
    $1,290,000
  • 1106 Monroe Ave River Forest, IL 60305
    3,382 sqft | $417/sqft | built 1925 | Similar size (3,382 vs 3,513 sqft); Similar age (1925 vs 1924); Similar lot size (12,220 vs 13,160 sqft)
    $1,411,750
  • 935 William St River Forest, IL 60305
    3,713 sqft | $386/sqft | built 1923 | 6% larger (3,713 vs 3,513 sqft); Similar age (1923 vs 1924); Similar lot size (12,220 vs 13,160 sqft)
    $1,432,140

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 39.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,380,000+$388,450+39.2%
2025$991,550$00.0%
2024$991,550−$58,450−5.6%
2023$1,050,000+$276,110+35.7%
2022$773,890$00.0%
2021$773,890+$100.0%
2020$773,880——
6-year total+$606,120+78.3%