Cook County Value

810 Suffolk Ave Westchester, IL 60154

2 bed / 1 bath, 1,020 sqft, built 1959, in Proviso. Assessor market value for 2026: $270,000.

Cook County account 15163140300000

Assessor market value
$270,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,020 sqft
$265 per sqft
Year built
1959
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 60154 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 41.5% from $190,760 in 2025 to $270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $265 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 60154.
  • Neighborhood value signalAmong 849 residential records in the same neighborhood, the average assessor market value is about $235 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +22.8% on average.

Comparable assessments

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

  • 639 Rice Ave Bellwood, IL 60104
    984 sqft | $193/sqft | built 1957 | Similar size (984 vs 1,020 sqft); Similar age (1957 vs 1959); Similar lot size (4,299 vs 4,410 sqft)
    $190,000
  • 1122 Portsmouth Ave Westchester, IL 60154
    1,032 sqft | $233/sqft | built 1955 | Similar size (1,032 vs 1,020 sqft); Similar age (1955 vs 1959); Similar lot size (4,690 vs 4,410 sqft)
    $240,000
  • 818 Norfolk Ave Westchester, IL 60154
    1,020 sqft | $245/sqft | built 1950 | Similar size (1,020 vs 1,020 sqft); Similar lot size (4,410 vs 4,410 sqft); Same quality (Average)
    $250,000
  • 645 Rice Ave Hse Bellwood, IL 60104
    984 sqft | $193/sqft | built 1957 | Similar size (984 vs 1,020 sqft); Similar age (1957 vs 1959); Similar lot size (4,299 vs 4,410 sqft)
    $190,000
  • 643 Rice Ave Bellwood, IL 60104
    984 sqft | $213/sqft | built 1957 | Similar size (984 vs 1,020 sqft); Similar age (1957 vs 1959); Similar lot size (4,300 vs 4,410 sqft)
    $210,000

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 41.5% 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+$79,240+41.5%
2025$190,760−$11,000−5.5%
2024$201,760−$18,240−8.3%
2023$220,000+$73,840+50.5%
2022$146,160$00.0%
2021$146,160−$7,350−4.8%
2020$153,510——
6-year total+$116,490+75.9%