Cook County Value

400 51st Ave Bellwood, IL 60104

3 bed / 1 bath, 1,300 sqft, built 1922, in Proviso. Assessor market value for 2026: $210,000.

Cook County account 15083050140000

Assessor market value
$210,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,300 sqft
$162 per sqft
Year built
1922
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 $210,000 in 2025 to $210,000 in 2026.
  • Assessor market value per square footThe current public record shows about $162 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 3,350 residential records in the same neighborhood, the average assessor market value is about $178 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.6% on average.

Comparable assessments

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

  • 3708 St Paul Ave Bellwood, IL 60104
    1,312 sqft | $168/sqft | built 1921 | Similar size (1,312 vs 1,300 sqft); Similar age (1921 vs 1922); Lot 18% smaller (6,250 vs 7,594 sqft)
    $220,000
  • 141 Morris Ave Bellwood, IL 60104
    1,305 sqft | $169/sqft | built 1926 | Similar size (1,305 vs 1,300 sqft); Similar age (1926 vs 1922); Lot 14% smaller (6,562 vs 7,594 sqft)
    $220,000
  • 345 Eastern Ave Bellwood, IL 60104
    1,220 sqft | $164/sqft | built 1922 | 6% smaller (1,220 vs 1,300 sqft); Built same year (1922); Lot 14% smaller (6,500 vs 7,594 sqft)
    $200,010
  • 532 Linden Ave Bellwood, IL 60104
    1,378 sqft | $152/sqft | built 1922 | 6% larger (1,378 vs 1,300 sqft); Built same year (1922); Lot 15% smaller (6,450 vs 7,594 sqft)
    $210,000
  • 113 Hyde Park Ave Bellwood, IL 60104
    1,386 sqft | $130/sqft | built 1918 | 7% larger (1,386 vs 1,300 sqft); Similar age (1918 vs 1922); Lot 10% smaller (6,804 vs 7,594 sqft)
    $180,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 249 Marshall Ave Bellwood, IL 60104
    June-29-2026 | 1,192 sqft | $168/sqft | built 1925 | 8% size difference (1,192 sqft); Similar age (1925); Sold after the valuation date
    $200,000
  • 319 Bellwood Ave, IL 60104
    1,170 sqft | $325/sqft | built 1925 | 10% size difference (1,170 sqft); Similar age (1925); Same beds (3)
    $380,000

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

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$210,000$00.0%
2025$210,000$00.0%
2024$210,000$00.0%
2023$210,000+$22,720+12.1%
2022$187,280$00.0%
2021$187,280+$100.0%
2020$187,270——
6-year total+$22,730+12.1%