Cook County Value

630 Margaret Ave, Dolton, IL 60419

3 bed / 1 bath, 1,048 sqft, built 1907, in Thornton. Assessor market value for 2025: $100,830.

Cook County account 29034210450000

Assessor market value
$100,830
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,048 sqft
$96 per sqft
Year built
1907
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 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 $100,830 in 2024 to $100,830 in 2025.
  • Assessor market value per square footThe current public record shows about $96 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 2,659 residential records in the same neighborhood, the average assessor market value is about $94 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.

  • 14422 Park Ave, Dolton, IL 60419
    995 sqft | $121/sqft | built 1908 | 5% smaller (995 vs 1,048 sqft); Similar age (1908 vs 1907); Similar lot size (11,656 vs 11,960 sqft)
    $120,000
  • 651 Main St, Dolton, IL 60419
    1,008 sqft | $97/sqft | built 1901 | Similar size (1,008 vs 1,048 sqft); Similar lot size (10,991 vs 11,960 sqft); Same quality (Average)
    $97,980
  • 612 Sheridan St, Dolton, IL 60419
    1,068 sqft | $84/sqft | built 1903 | Similar size (1,068 vs 1,048 sqft); Similar age (1903 vs 1907); Lot 16% smaller (10,050 vs 11,960 sqft)
    $90,000
  • 443 E 144th St, Dolton, IL 60419
    912 sqft | $104/sqft | built 1921 | 13% smaller (912 vs 1,048 sqft); Similar lot size (11,662 vs 11,960 sqft); Same quality (Average)
    $94,560
  • 519 Washington St, Dolton, IL 60419
    1,020 sqft | $84/sqft | built 1908 | Similar size (1,020 vs 1,048 sqft); Similar age (1908 vs 1907); Same quality (Average)
    $86,150

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

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$100,830$00.0%
2024$100,830$00.0%
2023$100,830+$15,900+18.7%
2022$84,930$00.0%
2021$84,930$00.0%
2020$84,930——
5-year total+$15,900+18.7%