Cook County Value

535 Park Ave River Forest, IL 60305

4 bed / 2 bath, 1,950 sqft, built 1893, in River Forest. Assessor market value for 2026: $710,000.

Cook County account 15121090180000

Assessor market value
$710,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,950 sqft
$364 per sqft
Year built
1893
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 18.3% from $600,000 in 2025 to $710,000 in 2026.
  • Assessor market value per square footThe current public record shows about $364 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.

  • 604 Franklin Ave River Forest, IL 60305
    1,906 sqft | $380/sqft | built 1903 | Similar size (1,906 vs 1,950 sqft); Similar lot size (10,050 vs 10,050 sqft); Same quality (Average)
    $725,000
  • 731 Park Ave River Forest, IL 60305
    1,876 sqft | $384/sqft | built 1897 | Similar size (1,876 vs 1,950 sqft); Similar age (1897 vs 1893); Similar lot size (10,452 vs 10,050 sqft)
    $720,000
  • 551 Franklin Ave River Forest, IL 60305
    1,864 sqft | $376/sqft | built 1898 | Similar size (1,864 vs 1,950 sqft); Similar age (1898 vs 1893); Similar lot size (10,100 vs 10,050 sqft)
    $700,000
  • 727 Park Ave River Forest, IL 60305
    1,876 sqft | $373/sqft | built 1897 | Similar size (1,876 vs 1,950 sqft); Similar age (1897 vs 1893); Similar lot size (9,648 vs 10,050 sqft)
    $700,000
  • 723 Park Ave River Forest, IL 60305
    2,162 sqft | $333/sqft | built 1898 | 11% larger (2,162 vs 1,950 sqft); Similar age (1898 vs 1893); Similar lot size (10,050 vs 10,050 sqft)
    $720,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 18.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$710,000+$110,000+18.3%
2025$600,000$00.0%
2024$600,000$00.0%
2023$600,000+$73,750+14.0%
2022$526,250$00.0%
2021$526,250$00.0%
2020$526,250——
6-year total+$183,750+34.9%