Cook County Value

6136 Ruby St Rosemont, IL 60018

3 bed / 1 bath, 1,470 sqft, built 1988, in Leyden. Assessor market value for 2026: $480,000.

Cook County account 12042130500000

Assessor market value
$480,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,470 sqft
$327 per sqft
Year built
1988
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 60018 and Leyden assessment pages.

Local guide: Leyden Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Leyden, appeals to the Assessor closed . Board of Review dates for Leyden 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 $480,000 in 2025 to $480,000 in 2026.
  • Assessor market value per square footThe current public record shows about $327 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Leyden neighborhood and ZIP 60018.
  • Neighborhood value signalAmong 503 residential records in the same neighborhood, the average assessor market value is about $240 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.8% on average.

Comparable assessments

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

  • 6232 Byron St Rosemont, IL 60018
    1,471 sqft | $340/sqft | built 1985 | Similar size (1,471 vs 1,470 sqft); Similar age (1985 vs 1988); Similar lot size (5,535 vs 5,718 sqft)
    $500,000
  • 6237 Kirschoff Rd Rosemont, IL 60018
    1,511 sqft | $283/sqft | built 1978 | Similar size (1,511 vs 1,470 sqft); Similar lot size (5,959 vs 5,718 sqft); Same quality (Average)
    $427,180
  • 10038 Estelle Dr Rosemont, IL 60018
    1,204 sqft | $357/sqft | built 1978 | Similar lot size (5,959 vs 5,718 sqft); Same quality (Average); Same bed/bath (3/1)
    $430,000
  • 6137 Byron St Rosemont, IL 60018
    1,458 sqft | $309/sqft | built 1973 | Similar size (1,458 vs 1,470 sqft); Same quality (Average); Same neighborhood
    $450,000
  • 6124 Ruby St Rosemont, IL 60018
    1,457 sqft | $169/sqft | built 1977 | Similar size (1,457 vs 1,470 sqft); Same quality (Average); Same bed/bath (3/1)
    $245,830

Recent comparable sales

Sales selected by similarity to the subject property.

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$480,000$00.0%
2025$480,000$00.0%
2024$480,000+$187,690+64.2%
2020$292,310——
6-year total+$187,690+64.2%