Cook County Value

827 N Bishop St, Chicago, IL 60642

3 bed / 2 bath, 2,141 sqft, built 1878, in Jefferson Assessor market value for 2026: $583,280.

Cook County account 17053240180000

Likely too high

about $29,000

8 similar homes nearby point to a value about $29,000 lower than yours.

Assessor market value$583,280
Similar homes$554,647
$28,633 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$583,280
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,141 sqft
$272 per sqft
Year built
1878
Average quality

Why we think so

Similar homes' assessments

Strong

4 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $257.14/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $194,000. Counting your land in place of theirs where theirs is less, they support a value of $554,647.

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 60642 and Jefferson assessment pages.

Local guide: West Chicago Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For West Chicago, appeals to the Assessor closed . Board of Review dates for West Chicago have not been published yet.

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 32.6% from $440,000 in 2025 to $583,280 in 2026.
  • Assessor market value per square footThe current public record shows about $272 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Jefferson neighborhood and ZIP 60642.
  • Neighborhood value signalAmong 3,753 residential records in the same neighborhood, the average assessor market value is about $356 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 2337 W Grand Ave, Chicago, IL 60612
    2,142 sqft | $196/sqft | built 1878 | Similar size (2,142 vs 2,141 sqft); Built same year (1878); Similar lot size (2,520 vs 2,604 sqft)
    $420,000
  • 1409 W Grand Ave 1, Chicago, IL 60642
    2,100 sqft | $257/sqft | built 1878 | Similar size (2,100 vs 2,141 sqft); Built same year (1878); Similar lot size (2,500 vs 2,604 sqft)
    $540,000
  • 2028 W Ohio St, Chicago, IL 60612
    2,146 sqft | $340/sqft | built 1878 | Similar size (2,146 vs 2,141 sqft); Built same year (1878); Lot 11% larger (2,887 vs 2,604 sqft)
    $730,000
  • 2220 W Huron St, Chicago, IL 60612
    2,147 sqft | $335/sqft | built 1878 | Similar size (2,147 vs 2,141 sqft); Built same year (1878); Lot 12% larger (2,928 vs 2,604 sqft)
    $720,000
  • 727 N Noble St 2, Chicago, IL 60642
    2,160 sqft | $229/sqft | built 1883 | Similar size (2,160 vs 2,141 sqft); Similar age (1883 vs 1878); Similar lot size (2,400 vs 2,604 sqft)
    $494,160

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 32.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$583,280+$143,280+32.6%
2025$440,000$00.0%
2024$440,000−$150,000−25.4%
2023$590,000$00.0%
2022$590,000$00.0%
2021$590,000+$127,930+27.7%
2020$462,070——
6-year total+$121,210+26.2%