Cook County Value

13145 Raphael Lemont, IL 60439

5 bed / 2 bath, 3,946 sqft, built 1995, in Lemont. Assessor market value for 2026: $890,000.

Cook County account 22333030030000

Assessor market value
$890,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,946 sqft
$226 per sqft
Year built
1995
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 60439 and Lemont assessment pages.

Local guide: Lemont Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lemont, appeals to the Assessor closed . Board of Review dates for Lemont 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 increased 36.9% from $650,000 in 2025 to $890,000 in 2026.
  • Assessor market value per square footThe current public record shows about $226 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lemont neighborhood and ZIP 60439.
  • Neighborhood value signalAmong 2,806 residential records in the same neighborhood, the average assessor market value is about $255 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +30.4% on average.

Comparable assessments

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

  • 13150 Da Vinci Lemont, IL 60439
    3,961 sqft | $247/sqft | built 1993 | Similar size (3,961 vs 3,946 sqft); Similar age (1993 vs 1995); Similar lot size (40,336 vs 40,031 sqft)
    $978,000
  • 1330 Gordon Ln Lemont, IL 60439
    4,061 sqft | $214/sqft | built 1993 | Similar size (4,061 vs 3,946 sqft); Similar age (1993 vs 1995); Similar lot size (40,467 vs 40,031 sqft)
    $870,000
  • 13140 Huntmaster Ln Lemont, IL 60439
    3,986 sqft | $223/sqft | built 1994 | Similar size (3,986 vs 3,946 sqft); Similar age (1994 vs 1995); Similar lot size (36,372 vs 40,031 sqft)
    $890,000
  • 13270 Fox Hill Dr Lemont, IL 60439
    3,914 sqft | $256/sqft | built 1996 | Similar size (3,914 vs 3,946 sqft); Similar age (1996 vs 1995); Similar lot size (37,461 vs 40,031 sqft)
    $1,001,450
  • 13787 Derby Rd Lemont, IL 60439
    4,024 sqft | $211/sqft | built 1996 | Similar size (4,024 vs 3,946 sqft); Similar age (1996 vs 1995); Similar lot size (43,560 vs 40,031 sqft)
    $850,000

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

Up 36.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$890,000+$240,000+36.9%
2025$650,000$00.0%
2024$650,000$00.0%
2023$650,000+$94,850+17.1%
2022$555,150$00.0%
2021$555,150+$200.0%
2020$555,130——
6-year total+$334,870+60.3%