Cook County Value

1821 S Halsted St, Chicago, IL 60608

4 bed / 4 bath, 5,566 sqft, built 1871, in West Chicago. Assessor market value for 2026: $744,260.

Cook County account 17213120010000

Assessor market value
$744,260
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,566 sqft
$134 per sqft
Year built
1871
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 60608 and West Chicago 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 5.0% from $783,780 in 2025 to $744,260 in 2026.
  • Assessor market value per square footThe current public record shows about $134 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the West Chicago neighborhood and ZIP 60608.
  • Neighborhood value signalAmong 4,507 residential records in the same neighborhood, the average assessor market value is about $229 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.3% on average.

Comparable assessments

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

  • 1942 S Halsted St, Chicago, IL 60608
    5,280 sqft | $114/sqft | built 1876 | 5% smaller (5,280 vs 5,566 sqft); Similar age (1876 vs 1871); Similar lot size (2,775 vs 2,650 sqft)
    $604,280
  • 2135 S Western Ave, Chicago, IL 60608
    5,550 sqft | $108/sqft | built 1881 | Similar size (5,550 vs 5,566 sqft); Similar lot size (2,575 vs 2,650 sqft); Same quality (Average)
    $599,790
  • 836 W Cullerton St, Chicago, IL 60608
    5,250 sqft | $138/sqft | built 1869 | 6% smaller (5,250 vs 5,566 sqft); Similar age (1869 vs 1871); Similar lot size (2,500 vs 2,650 sqft)
    $721,980
  • 1856 S Throop St, Chicago, IL 60608
    5,472 sqft | $123/sqft | built 1871 | Similar size (5,472 vs 5,566 sqft); Built same year (1871); Lot 13% larger (3,000 vs 2,650 sqft)
    $670,790
  • 1905 S Loomis St, Chicago, IL 60608
    5,760 sqft | $111/sqft | built 1882 | Similar size (5,760 vs 5,566 sqft); Similar lot size (2,725 vs 2,650 sqft); Same quality (Average)
    $636,510

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: . 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$744,260−$39,520−5.0%
2025$783,780−$26,220−3.2%
2024$810,000+$250,000+44.6%
2023$560,000$00.0%
2022$560,000$00.0%
2021$560,000+$212,580+61.2%
2020$347,420——
6-year total+$396,840+114.2%