Cook County Value

13575 McCarthy Rd Lemont, IL 60439

4 bed / 2 bath, 1,152 sqft, built 1939, in Lemont. Assessor market value for 2026: $350,000.

Cook County account 22261000030000

Assessor market value
$350,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,152 sqft
$304 per sqft
Year built
1939
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 9.4% from $319,870 in 2025 to $350,000 in 2026.
  • Assessor market value per square footThe current public record shows about $304 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 858 residential records in the same neighborhood, the average assessor market value is about $264 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +21.4% on average.

Comparable assessments

Showing 5 of the 7 similar homes in this property's equity comparison, from public appraisal records.

  • 663 1st St Lemont, IL 60439
    1,258 sqft | $262/sqft | built 1934 | 9% larger (1,258 vs 1,152 sqft); Similar age (1934 vs 1939); Similar lot size (39,468 vs 43,560 sqft)
    $330,000
  • 11570 Archer Ave Lemont, IL 60439
    1,219 sqft | $246/sqft | built 1948 | 6% larger (1,219 vs 1,152 sqft); Lot 12% smaller (38,332 vs 43,560 sqft); Same quality (Average)
    $300,000
  • 666 4th St Lemont, IL 60439
    1,105 sqft | $272/sqft | built 1954 | Similar size (1,105 vs 1,152 sqft); Similar lot size (39,468 vs 43,560 sqft); Same quality (Average)
    $300,010
  • 12858 107th St Lemont, IL 60439
    1,094 sqft | $347/sqft | built 1930 | 5% smaller (1,094 vs 1,152 sqft); Lot 18% larger (51,295 vs 43,560 sqft); Same quality (Average)
    $380,000
  • 11015 Bell Rd Lemont, IL 60439
    950 sqft | $305/sqft | built 1946 | Similar lot size (41,046 vs 43,560 sqft); Same quality (Average); Same neighborhood
    $290,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 708 McCarthy Rd Lemont, IL 60439
    1,320 sqft | $292/sqft | built 1932 | 15% size difference (1,320 sqft); Moderate age difference (7 years older); Within 1 bedroom (3 vs 4)
    $385,000

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 9.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$350,000+$30,130+9.4%
2025$319,870$00.0%
2024$319,870−$123,270−27.8%
2023$443,140+$233,150+111.0%
2022$209,990$00.0%
2021$209,990+$100.0%
2020$209,980——
6-year total+$140,020+66.7%