Cook County Value

2305 S 21st Ave Broadview, IL 60155

3 bed / 1 bath, 1,044 sqft, built 1950, in Proviso. Assessor market value for 2026: $270,000.

Cook County account 15221120230000

Possibly too high

about $18,000

8 similar homes nearby point to a value about $18,000 lower than yours.

Assessor market value$270,000
Similar homes$251,687
$18,313 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
1,044 sqft
$259 per sqft
Year built
1950
Average quality

Why we think so

Similar homes' assessments

Moderate

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $241.08/sqft, which supports a value of $251,687.

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 60155 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 12.5% from $240,000 in 2025 to $270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $259 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 60155.
  • Neighborhood value signalAmong 1,458 residential records in the same neighborhood, the average assessor market value is about $223 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +14.3% on average.

Comparable assessments

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

  • 2300 S 21st Ave Broadview, IL 60155
    1,040 sqft | $240/sqft | built 1949 | Similar size (1,040 vs 1,044 sqft); Similar age (1949 vs 1950); Similar lot size (6,700 vs 6,700 sqft)
    $250,000
  • 2505 S 16th Ave Broadview, IL 60155
    1,029 sqft | $243/sqft | built 1950 | Similar size (1,029 vs 1,044 sqft); Built same year (1950); Similar lot size (6,700 vs 6,700 sqft)
    $250,000
  • 2320 S 24th Ave Broadview, IL 60155
    1,036 sqft | $270/sqft | built 1952 | Similar size (1,036 vs 1,044 sqft); Similar age (1952 vs 1950); Similar lot size (6,700 vs 6,700 sqft)
    $280,000
  • 2218 S 14th Ave Broadview, IL 60155
    1,032 sqft | $233/sqft | built 1952 | Similar size (1,032 vs 1,044 sqft); Similar age (1952 vs 1950); Similar lot size (6,690 vs 6,700 sqft)
    $240,000
  • 2316 S 21st Ave Broadview, IL 60155
    1,037 sqft | $231/sqft | built 1950 | Similar size (1,037 vs 1,044 sqft); Built same year (1950); Similar lot size (6,700 vs 6,700 sqft)
    $240,000

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 12.5% 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+$30,000+12.5%
2025$240,000$00.0%
2024$240,000$00.0%
2023$240,000+$59,510+33.0%
2022$180,490$00.0%
2021$180,490+$100.0%
2020$180,480——
6-year total+$89,520+49.6%