Cook County Value

500 S 23rd Ave Bellwood, IL 60104

4 bed / 2 bath, 2,149 sqft, built 2021, in Proviso. Assessor market value for 2026: $400,010.

Cook County account 15103090110000

Assessor market value
$400,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,149 sqft
$186 per sqft
Year built
2021
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 60104 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 11.1% from $360,010 in 2025 to $400,010 in 2026.
  • Assessor market value per square footThe current public record shows about $186 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 60104.
  • Neighborhood value signalAmong 2,888 residential records in the same neighborhood, the average assessor market value is about $167 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +14.5% on average.

Comparable assessments

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

  • 1108 S 3rd Ave Maywood, IL 60153
    1,935 sqft | $207/sqft | built 2021 | 10% smaller (1,935 vs 2,149 sqft); Built same year (2021); Similar lot size (6,654 vs 7,270 sqft)
    $400,000
  • 239 S 12th Ave Maywood, IL 60153
    1,919 sqft | $203/sqft | built 2019 | 11% smaller (1,919 vs 2,149 sqft); Similar age (2019 vs 2021); Lot 13% smaller (6,296 vs 7,270 sqft)
    $390,000
  • 1110 S 3rd Ave Maywood, IL 60153
    1,935 sqft | $212/sqft | built 2022 | 10% smaller (1,935 vs 2,149 sqft); Similar age (2022 vs 2021); Lot 20% smaller (5,851 vs 7,270 sqft)
    $410,000
  • 1112 S 3rd Ave Maywood
    1,935 sqft | $212/sqft | built 2023 | 10% smaller (1,935 vs 2,149 sqft); Similar age (2023 vs 2021); Lot 19% smaller (5,862 vs 7,270 sqft)
    $410,000
  • 1114 S 3rd Ave Maywood
    1,935 sqft | $202/sqft | built 2024 | 10% smaller (1,935 vs 2,149 sqft); Similar age (2024 vs 2021); Lot 19% smaller (5,854 vs 7,270 sqft)
    $390,000

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 11.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$400,010+$40,000+11.1%
2025$360,010$00.0%
2024$360,010$00.0%
2023$360,010+$100,110+38.5%
2022$259,900−$48,620−15.8%
2021$308,520$00.0%
2020$308,520——
6-year total+$91,490+29.7%