Cook County Value

420 Monroe St, Dolton, IL 60419

1 bed / 1 bath, 548 sqft, built 1925, in Thornton. Assessor market value for 2025: $75,000.

Cook County account 29033080160000

Assessor market value
$75,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
548 sqft
$137 per sqft
Year built
1925
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 $75,000 in 2024 to $75,000 in 2025.
  • Assessor market value per square footThe current public record shows about $137 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

Similar public appraisal records selected for this property's equity comparison.

  • 14249 Oak St, Dolton, IL 60419
    558 sqft | $90/sqft | built 1923 | Similar size (558 vs 548 sqft); Similar age (1923 vs 1925); Lot 17% smaller (4,230 vs 5,080 sqft)
    $50,000
  • 14810 Dorchester Ave, Dolton, IL 60419
    620 sqft | $105/sqft | built 1934 | 13% larger (620 vs 548 sqft); Similar lot size (4,920 vs 5,080 sqft); Same quality (Average)
    $65,000
  • 706 E 144th St, Dolton, IL 60419
    616 sqft | $97/sqft | built 1924 | 12% larger (616 vs 548 sqft); Similar age (1924 vs 1925); Lot 14% larger (5,800 vs 5,080 sqft)
    $60,000
  • 700 E 144th St, Dolton, IL 60419
    480 sqft | $167/sqft | built 1930 | 12% smaller (480 vs 548 sqft); Similar age (1930 vs 1925); Lot 14% larger (5,800 vs 5,080 sqft)
    $80,000
  • 530 Engle St, Dolton, IL 60419
    638 sqft | $94/sqft | built 1938 | Similar lot size (4,687 vs 5,080 sqft); Same quality (Average); Same neighborhood
    $60,000

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$75,000$00.0%
2024$75,000$00.0%
2023$75,000+$31,290+71.6%
2022$43,710$00.0%
2021$43,710$00.0%
2020$43,710——
5-year total+$31,290+71.6%