Cook County Value

511 S 23rd Ave Bellwood, IL 60104

2 bed / 1 bath, 1,012 sqft, built 1946, in Proviso. Assessor market value for 2026: $190,010.

Cook County account 15103100200000

Assessor market value
$190,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,012 sqft
$188 per sqft
Year built
1946
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 decreased 5.0% from $200,010 in 2025 to $190,010 in 2026.
  • Assessor market value per square footThe current public record shows about $188 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

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

  • 701 S 23rd Ave Bellwood, IL 60104
    1,018 sqft | $187/sqft | built 1943 | Similar size (1,018 vs 1,012 sqft); Similar age (1943 vs 1946); Similar lot size (4,200 vs 4,270 sqft)
    $190,000
  • 637 S 22nd Ave Bellwood, IL 60104
    1,009 sqft | $188/sqft | built 1942 | Similar size (1,009 vs 1,012 sqft); Similar age (1942 vs 1946); Similar lot size (4,465 vs 4,270 sqft)
    $190,000
  • 704 S 23rd Ave Bellwood, IL 60104
    1,013 sqft | $188/sqft | built 1941 | Similar size (1,013 vs 1,012 sqft); Similar age (1941 vs 1946); Similar lot size (4,060 vs 4,270 sqft)
    $190,000
  • 703 S 23rd Ave Hse Bellwood, IL 60104
    1,018 sqft | $187/sqft | built 1937 | Similar size (1,018 vs 1,012 sqft); Similar lot size (4,200 vs 4,270 sqft); Same quality (Average)
    $190,000
  • 701 S 24th Ave Bellwood, IL 60104
    1,000 sqft | $190/sqft | built 1953 | Similar size (1,000 vs 1,012 sqft); Similar lot size (4,270 vs 4,270 sqft); Same quality (Average)
    $190,010

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: . 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

Down 5.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$190,010−$10,000−5.0%
2025$200,010$00.0%
2024$200,010$00.0%
2023$200,010+$48,960+32.4%
2022$151,050$00.0%
2021$151,050+$100.0%
2020$151,040——
6-year total+$38,970+25.8%