Cook County Value

831 N Ashland Ave, Chicago, IL 60622

6 bed / 4 bath, 4,002 sqft, built 1894, in Jefferson. Assessor market value for 2026: $707,360.

Cook County account 17053220360000

Assessor market value
$707,360
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,002 sqft
$177 per sqft
Year built
1894
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 60622 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 decreased 10.7% from $792,210 in 2025 to $707,360 in 2026.
  • Assessor market value per square footThe current public record shows about $177 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 60622.
  • 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

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

  • 452 N Green St 1, Chicago, IL 60642
    4,085 sqft | $259/sqft | built 1879 | Similar size (4,085 vs 4,002 sqft); Similar lot size (2,040 vs 2,001 sqft); Same quality (Average)
    $1,060,000
  • 1133 W Grand Ave, Chicago, IL 60642
    4,000 sqft | $200/sqft | built 1881 | Similar size (4,000 vs 4,002 sqft); Similar lot size (2,142 vs 2,001 sqft); Same quality (Average)
    $801,990
  • 2012 W Grand Ave, Chicago, IL 60612
    3,936 sqft | $208/sqft | built 1897 | Similar size (3,936 vs 4,002 sqft); Similar age (1897 vs 1894); Similar lot size (2,134 vs 2,001 sqft)
    $820,000
  • 1629 W Grand Ave, Chicago, IL 60622
    4,104 sqft | $194/sqft | built 1893 | Similar size (4,104 vs 4,002 sqft); Similar age (1893 vs 1894); Lot 20% larger (2,400 vs 2,001 sqft)
    $794,810
  • 1859 W Huron St, Chicago, IL 60622
    4,086 sqft | $202/sqft | built 1891 | Similar size (4,086 vs 4,002 sqft); Similar age (1891 vs 1894); Lot 16% larger (2,325 vs 2,001 sqft)
    $824,520

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 10.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$707,360−$84,850−10.7%
2025$792,210−$67,800−7.9%
2024$860,010+$220,010+34.4%
2023$640,000$00.0%
2022$640,000$00.0%
2021$640,000+$143,810+29.0%
2020$496,190——
6-year total+$211,170+42.6%