Cook County Value

508 S 23rd Ave Bellwood, IL 60104

2 bed / 1 bath, 672 sqft, built 1926, in Proviso. Assessor market value for 2026: $140,000.

Cook County account 15103090130000

Assessor market value
$140,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
672 sqft
$208 per sqft
Year built
1926
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 stayed about the same, from $140,000 in 2025 to $140,000 in 2026.
  • Assessor market value per square footThe current public record shows about $208 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.

  • 405 S 3rd Ave Maywood, IL 60153
    678 sqft | $221/sqft | built 1915 | Similar size (678 vs 672 sqft); Similar lot size (3,506 vs 3,538 sqft); Same quality (Average)
    $150,000
  • 330 S 22nd Ave Bellwood, IL 60104
    672 sqft | $223/sqft | built 1923 | Similar size (672 vs 672 sqft); Similar age (1923 vs 1926); Lot 10% larger (3,900 vs 3,538 sqft)
    $150,000
  • 110 S 19th Ave Maywood, IL 60153
    660 sqft | $212/sqft | built 1922 | Similar size (660 vs 672 sqft); Similar age (1922 vs 1926); Lot 12% smaller (3,125 vs 3,538 sqft)
    $140,000
  • 421 S 25th Ave Bellwood, IL 60104
    620 sqft | $226/sqft | built 1925 | 8% smaller (620 vs 672 sqft); Similar age (1925 vs 1926); Similar lot size (3,750 vs 3,538 sqft)
    $140,010
  • 719 S 22nd Ave Bellwood, IL 60104
    700 sqft | $200/sqft | built 1926 | Similar size (700 vs 672 sqft); Built same year (1926); Lot 15% smaller (3,000 vs 3,538 sqft)
    $140,000

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$140,000$00.0%
2025$140,000$00.0%
2024$140,000$00.0%
2023$140,000−$2,420−1.7%
2022$142,420$00.0%
2021$142,420+$100.0%
2020$142,410——
6-year total−$2,410−1.7%