Cook County Value

1 Waltham St, Calumet City, IL 60409

3 bed / 1 bath, 1,317 sqft, built 1918, in Thornton. Assessor market value for 2025: $83,190.

Cook County account 30174080060000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$83,190
Similar homes$92,479
No gap: similar homes are at or above the county value · bars start at $0

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

Assessor market value
$83,190
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,317 sqft
$63 per sqft
Year built
1918
Average quality

What we found

Similar homes' assessments

Weak

0 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $70.22/sqft, which supports a value of $92,479.

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 60409 and Thornton assessment pages.

Appeal deadlines

Thornton 2026 appeal dates 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 $83,190 in 2024 to $83,190 in 2025.
  • Assessor market value per square footThe current public record shows about $63 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Thornton neighborhood and ZIP 60409.
  • Neighborhood value signalAmong 3,371 residential records in the same neighborhood, the average assessor market value is about $87 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.

  • 11 Mason St, Calumet City, IL 60409
    1,316 sqft | $68/sqft | built 1920 | Similar size (1,316 vs 1,317 sqft); Similar age (1920 vs 1918); Similar lot size (5,850 vs 5,850 sqft)
    $90,000
  • 7 Mason St, Calumet City, IL 60409
    1,333 sqft | $83/sqft | built 1920 | Similar size (1,333 vs 1,317 sqft); Similar age (1920 vs 1918); Similar lot size (5,850 vs 5,850 sqft)
    $110,000
  • 10 Warren St, Calumet City, IL 60409
    1,296 sqft | $70/sqft | built 1920 | Similar size (1,296 vs 1,317 sqft); Similar age (1920 vs 1918); Similar lot size (5,850 vs 5,850 sqft)
    $91,000
  • 4 Warren St, Calumet City, IL 60409
    1,314 sqft | $67/sqft | built 1913 | Similar size (1,314 vs 1,317 sqft); Similar age (1913 vs 1918); Similar lot size (5,850 vs 5,850 sqft)
    $88,000
  • 10 Detroit St, Calumet City, IL 60409
    1,292 sqft | $75/sqft | built 1921 | Similar size (1,292 vs 1,317 sqft); Similar age (1921 vs 1918); Similar lot size (5,850 vs 5,850 sqft)
    $96,790

Recent comparable sales

No usable comparable sales are available in this data snapshot.

Public appraisal comparison for 2025. 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 12.4% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$83,190−$11,810−12.4%
2024$95,000$00.0%
2023$95,000+$21,190+28.7%
2022$73,810$00.0%
2021$73,810+$200.0%
2020$73,790——
5-year total+$9,400+12.7%