Cook County Value

326 Park Ave River Forest, IL 60305

3 bed / 1 bath, 1,410 sqft, built 1949, in River Forest. Assessor market value for 2026: $510,000.

Cook County account 15123020340000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$510,000
Similar homes$522,221
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$510,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,410 sqft
$362 per sqft
Year built
1949
Average quality

What we found

Similar homes' assessments

Weak

1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $370.37/sqft, which supports a value of $522,221.

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 8.5% from $470,000 in 2025 to $510,000 in 2026.
  • Assessor market value per square footThe current public record shows about $362 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.

  • 314 Park Ave River Forest, IL 60305
    1,380 sqft | $242/sqft | built 1948 | Similar size (1,380 vs 1,410 sqft); Similar age (1948 vs 1949); Similar lot size (8,910 vs 8,910 sqft)
    $334,100
  • 334 Park Ave River Forest, IL 60305
    1,377 sqft | $370/sqft | built 1950 | Similar size (1,377 vs 1,410 sqft); Similar age (1950 vs 1949); Similar lot size (8,910 vs 8,910 sqft)
    $510,000
  • 134 Park Ave River Forest, IL 60305
    1,438 sqft | $369/sqft | built 1949 | Similar size (1,438 vs 1,410 sqft); Built same year (1949); Similar lot size (9,050 vs 8,910 sqft)
    $530,000
  • 26 Gale Ave River Forest, IL 60305
    1,396 sqft | $365/sqft | built 1947 | Similar size (1,396 vs 1,410 sqft); Similar age (1947 vs 1949); Similar lot size (9,000 vs 8,910 sqft)
    $509,460
  • 142 Park Ave River Forest, IL 60305
    1,344 sqft | $469/sqft | built 1949 | Similar size (1,344 vs 1,410 sqft); Built same year (1949); Similar lot size (9,050 vs 8,910 sqft)
    $630,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 134 Park Ave River Forest, IL 60305
    1,438 sqft | $296/sqft | built 1949 | Similar size (1,438 sqft); Similar age (1949); Same beds (3)
    $425,000
  • 46 Park Ave River Forest, IL 60305
    1,700 sqft | $347/sqft | built 1951 | Similar age (1951); Within 1 bedroom (4 vs 3)
    $590,000

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 8.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$510,000+$40,000+8.5%
2025$470,000$00.0%
2024$470,000$00.0%
2023$470,000+$79,720+20.4%
2022$390,280$00.0%
2021$390,280+$200.0%
2020$390,260——
6-year total+$119,740+30.7%