Cook County Value

555 Monroe Ave River Forest, IL 60305

4 bed / 2 bath, 2,791 sqft, built 1919, in River Forest. Assessor market value for 2026: $1,190,000.

Cook County account 15122140020000

Assessor market value
$1,190,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,791 sqft
$426 per sqft
Year built
1919
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 35.2% from $880,000 in 2025 to $1,190,000 in 2026.
  • Assessor market value per square footThe current public record shows about $426 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 637 residential records in the same neighborhood, the average assessor market value is about $380 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +29.4% on average.

Comparable assessments

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

  • 751 Clinton Pl River Forest, IL 60305
    2,816 sqft | $387/sqft | built 1919 | Similar size (2,816 vs 2,791 sqft); Built same year (1919); Similar lot size (9,200 vs 8,700 sqft)
    $1,090,400
  • 750 Forest Ave River Forest, IL 60305
    2,713 sqft | $369/sqft | built 1916 | Similar size (2,713 vs 2,791 sqft); Similar age (1916 vs 1919); Similar lot size (8,592 vs 8,700 sqft)
    $1,000,000
  • 731 William St River Forest, IL 60305
    2,820 sqft | $377/sqft | built 1917 | Similar size (2,820 vs 2,791 sqft); Similar age (1917 vs 1919); Similar lot size (9,200 vs 8,700 sqft)
    $1,062,350
  • 731 Clinton Pl River Forest, IL 60305
    2,733 sqft | $368/sqft | built 1916 | Similar size (2,733 vs 2,791 sqft); Similar age (1916 vs 1919); Similar lot size (9,200 vs 8,700 sqft)
    $1,004,610
  • 739 Monroe Ave River Forest, IL 60305
    2,732 sqft | $333/sqft | built 1918 | Similar size (2,732 vs 2,791 sqft); Similar age (1918 vs 1919); Similar lot size (8,700 vs 8,700 sqft)
    $910,000

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 35.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,190,000+$310,000+35.2%
2025$880,000$00.0%
2024$880,000+$180,000+25.7%
2023$700,000+$26,330+3.9%
2022$673,670$00.0%
2021$673,670+$100.0%
2020$673,660——
6-year total+$516,340+76.6%