Cook County Value

928 Franklin Ave River Forest, IL 60305

4 bed / 2 bath, 2,779 sqft, built 1965, in River Forest. Assessor market value for 2026: $1,180,000.

Cook County account 15013150310000

Assessor market value
$1,180,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,779 sqft
$425 per sqft
Year built
1965
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 28.3% from $920,000 in 2025 to $1,180,000 in 2026.
  • Assessor market value per square footThe current public record shows about $425 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.

  • 815 Park Ave River Forest, IL 60305
    2,856 sqft | $364/sqft | built 1963 | Similar size (2,856 vs 2,779 sqft); Similar age (1963 vs 1965); Similar lot size (9,200 vs 9,200 sqft)
    $1,040,000
  • 811 Park Ave River Forest, IL 60305
    2,628 sqft | $370/sqft | built 1962 | 5% smaller (2,628 vs 2,779 sqft); Similar age (1962 vs 1965); Similar lot size (9,200 vs 9,200 sqft)
    $972,600
  • 816 Lathrop Ave River Forest, IL 60305
    2,867 sqft | $336/sqft | built 1961 | Similar size (2,867 vs 2,779 sqft); Similar age (1961 vs 1965); Similar lot size (8,832 vs 9,200 sqft)
    $963,350
  • 919 Monroe Ave River Forest, IL 60305
    2,656 sqft | $392/sqft | built 1961 | Similar size (2,656 vs 2,779 sqft); Similar age (1961 vs 1965); Similar lot size (9,400 vs 9,200 sqft)
    $1,040,000
  • 937 Park Ave River Forest, IL 60305
    3,040 sqft | $418/sqft | built 1966 | 9% larger (3,040 vs 2,779 sqft); Similar age (1966 vs 1965); Similar lot size (9,200 vs 9,200 sqft)
    $1,270,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 28.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,180,000+$260,000+28.3%
2025$920,000$00.0%
2024$920,000$00.0%
2023$920,000+$133,800+17.0%
2022$786,200$00.0%
2021$786,200+$100.0%
2020$786,190——
6-year total+$393,810+50.1%