Cook County Value

320 N Hillside Ave Hillside, IL 60162

3 bed / 1 bath, 1,222 sqft, built 1961, in Proviso. Assessor market value for 2026: $270,000.

Cook County account 15182070210000

Likely too high

about $22,000

8 similar homes nearby point to a value about $22,000 lower than yours.

Assessor market value$270,000
Similar homes$247,968
$22,032 gap · bars start at $0

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

Assessor market value
$270,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,222 sqft
$221 per sqft
Year built
1961
Average quality

Why we think so

Similar homes' assessments

Strong

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $202.92/sqft, which supports a value of $247,968.

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 28.3% from $210,380 in 2025 to $270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $221 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 2031 Herbert Ave Berkeley, IL 60163
    1,217 sqft | $230/sqft | built 1963 | Similar size (1,217 vs 1,222 sqft); Similar age (1963 vs 1961); Similar lot size (7,250 vs 7,165 sqft)
    $280,000
  • 230 Iroquois Rd Hillside, IL 60162
    1,232 sqft | $195/sqft | built 1956 | Similar size (1,232 vs 1,222 sqft); Similar age (1956 vs 1961); Similar lot size (7,050 vs 7,165 sqft)
    $240,000
  • 516 N Irving Ave Hillside, IL 60162
    1,217 sqft | $197/sqft | built 1954 | Similar size (1,217 vs 1,222 sqft); Similar lot size (7,100 vs 7,165 sqft); Same quality (Average)
    $240,000
  • 4513 Madison St Hillside, IL 60162
    1,219 sqft | $172/sqft | built 1954 | Similar size (1,219 vs 1,222 sqft); Similar lot size (7,255 vs 7,165 sqft); Same quality (Average)
    $210,000
  • 1 N Taft Ave Hillside, IL 60162
    1,232 sqft | $203/sqft | built 1961 | Similar size (1,232 vs 1,222 sqft); Built same year (1961); Similar lot size (7,697 vs 7,165 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: . 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$270,000+$59,620+28.3%
2025$210,380$00.0%
2024$210,380−$19,620−8.5%
2023$230,000+$71,150+44.8%
2022$158,850$00.0%
2021$158,850−$24,170−13.2%
2020$183,020——
6-year total+$86,980+47.5%