Cook County Value

903 N Long Ave 1, Chicago, IL 60651

12 bed / 6 bath, 6,376 sqft, built 1910, in West Chicago. Assessor market value for 2026: $470,000.

Cook County account 16043200190000

Likely too high

about $26,000

8 similar homes nearby point to a value about $26,000 lower than yours.

Assessor market value$470,000
Similar homes$443,769
$26,231 gap · bars start at $0

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

Assessor market value
$470,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
6,376 sqft
$74 per sqft
Year built
1910
Average quality

Why we think so

Similar homes' assessments

Strong

6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $69.60/sqft, which supports a value of $443,769.

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 60651 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 stayed about the same, from $470,000 in 2025 to $470,000 in 2026.
  • Assessor market value per square footThe current public record shows about $74 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 60651.
  • Neighborhood value signalAmong 6,607 residential records in the same neighborhood, the average assessor market value is about $118 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.1% on average.

Comparable assessments

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

  • 649 N Central Ave, Chicago, IL 60644
    6,408 sqft | $72/sqft | built 1907 | Similar size (6,408 vs 6,376 sqft); Similar age (1907 vs 1910); Lot 11% smaller (7,272 vs 8,160 sqft)
    $460,000
  • 5901 W Race Ave, Chicago, IL 60644
    6,612 sqft | $143/sqft | built 1902 | Similar size (6,612 vs 6,376 sqft); Similar lot size (7,798 vs 8,160 sqft); Same quality (Average)
    $944,960
  • 4845 W West End Ave 1, Chicago, IL 60644
    5,917 sqft | $64/sqft | built 1910 | 7% smaller (5,917 vs 6,376 sqft); Built same year (1910); Lot 12% smaller (7,200 vs 8,160 sqft)
    $378,700
  • 740 N Lorel Ave, Chicago, IL 60644
    6,615 sqft | $50/sqft | built 1913 | Similar size (6,615 vs 6,376 sqft); Similar age (1913 vs 1910); Lot 18% smaller (6,700 vs 8,160 sqft)
    $331,000
  • 374 N Cicero Ave, Chicago, IL 60644
    6,727 sqft | $56/sqft | built 1901 | 6% larger (6,727 vs 6,376 sqft); Similar lot size (8,386 vs 8,160 sqft); Same quality (Average)
    $380,000

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

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$470,000$00.0%
2025$470,000$00.0%
2024$470,000+$190,000+67.9%
2023$280,000$00.0%
2022$280,000$00.0%
2021$280,000−$3,650−1.3%
2020$283,650——
6-year total+$186,350+65.7%