Cook County Value

104 W Sibley Blvd, Dolton, IL 60419

3 bed / 1 bath, 1,314 sqft, built 1961, in Thornton. Assessor market value for 2025: $120,010.

Cook County account 29092230080000

Possibly too high

about $18,000

8 similar homes nearby point to a value about $18,000 lower than yours.

Assessor market value$120,010
Similar homes$101,572
$18,438 gap · bars start at $0

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

Assessor market value
$120,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,314 sqft
$91 per sqft
Year built
1961
Average quality

Why we think so

Similar homes' assessments

Moderate

6 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $77.16/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 $36,840. Counting your land in place of theirs where theirs is less, they support a value of $101,572.

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 60419 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 $120,010 in 2024 to $120,010 in 2025.
  • Assessor market value per square footThe current public record shows about $91 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 60419.
  • Neighborhood value signalAmong 3,506 residential records in the same neighborhood, the average assessor market value is about $81 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.

  • 14436 S Wabash Ave Riverdale, IL 60827
    1,322 sqft | $77/sqft | built 1949 | Similar size (1,322 vs 1,314 sqft); Similar lot size (8,676 vs 8,667 sqft); Same quality (Average)
    $102,000
  • 335 E 142nd St, Dolton, IL 60419
    1,328 sqft | $77/sqft | built 1946 | Similar size (1,328 vs 1,314 sqft); Similar lot size (8,621 vs 8,667 sqft); Same quality (Average)
    $102,000
  • 14621 S Clark St, Dolton, IL 60419
    1,314 sqft | $64/sqft | built 1948 | Similar size (1,314 vs 1,314 sqft); Similar lot size (9,310 vs 8,667 sqft); Same quality (Average)
    $84,000
  • 14727 Dearborn St, Dolton, IL 60419
    1,299 sqft | $93/sqft | built 1958 | Similar size (1,299 vs 1,314 sqft); Similar age (1958 vs 1961); Lot 15% larger (9,975 vs 8,667 sqft)
    $120,720
  • 14908 State St, Dolton, IL 60419
    1,313 sqft | $92/sqft | built 1955 | Similar size (1,313 vs 1,314 sqft); Lot 15% larger (9,975 vs 8,667 sqft); Same quality (Average)
    $121,000

Recent comparable sales

Sales selected by similarity to the subject property.

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

No change in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$120,010$00.0%
2024$120,010$00.0%
2023$120,010+$51,560+75.3%
2022$68,450$00.0%
2021$68,450+$100.0%
2020$68,440——
5-year total+$51,570+75.4%