Cook County Value

4423 Idlewild Ln Hillside, IL 60162

3 bed / 1 bath, 1,407 sqft, built 1953, in Proviso. Assessor market value for 2026: $240,000.

Cook County account 15171110330000

Assessor market value
$240,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,407 sqft
$171 per sqft
Year built
1953
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 60162 and Proviso assessment pages.

Local guide: Proviso Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Proviso, appeals to the Assessor are open through (8 days left).

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 4.3% from $230,000 in 2025 to $240,000 in 2026.
  • Assessor market value per square footThe current public record shows about $171 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Proviso neighborhood and ZIP 60162.
  • Neighborhood value signalAmong 3,802 residential records in the same neighborhood, the average assessor market value is about $215 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +12.4% on average.

Comparable assessments

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

  • 1551 Morris Ave Berkeley, IL 60163
    1,394 sqft | $172/sqft | built 1952 | Similar size (1,394 vs 1,407 sqft); Similar age (1952 vs 1953); Similar lot size (7,366 vs 7,666 sqft)
    $240,000
  • 5828 W Elm St Berkeley, IL 60163
    1,420 sqft | $197/sqft | built 1953 | Similar size (1,420 vs 1,407 sqft); Built same year (1953); Similar lot size (8,190 vs 7,666 sqft)
    $280,000
  • 1943 Herbert Ave Berkeley, IL 60163
    1,423 sqft | $190/sqft | built 1952 | Similar size (1,423 vs 1,407 sqft); Similar age (1952 vs 1953); Similar lot size (7,250 vs 7,666 sqft)
    $270,000
  • 38 Howard Ave Hillside, IL 60162
    1,390 sqft | $194/sqft | built 1948 | Similar size (1,390 vs 1,407 sqft); Similar age (1948 vs 1953); Similar lot size (7,850 vs 7,666 sqft)
    $270,000
  • 716 N Rohde Ave Hillside, IL 60162
    1,434 sqft | $174/sqft | built 1954 | Similar size (1,434 vs 1,407 sqft); Similar age (1954 vs 1953); Similar lot size (7,250 vs 7,666 sqft)
    $250,000

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 4.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$240,000+$10,000+4.3%
2025$230,000$00.0%
2024$230,000$00.0%
2023$230,000+$50,250+28.0%
2022$179,750$00.0%
2021$179,750+$100.0%
2020$179,740——
6-year total+$60,260+33.5%