Cook County Value

12145 Hillcrest Dr Lemont, IL 60439

3 bed / 2 bath, 1,511 sqft, built 1977, in Lemont. Assessor market value for 2026: $450,000.

Cook County account 22282060040000

Assessor market value
$450,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,511 sqft
$298 per sqft
Year built
1977
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 32.4% from $340,000 in 2025 to $450,000 in 2026.
  • Assessor market value per square footThe current public record shows about $298 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 636 residential records in the same neighborhood, the average assessor market value is about $286 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +33.3% on average.

Comparable assessments

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

  • 12244 Walker Rd Lemont, IL 60439
    1,552 sqft | $309/sqft | built 1977 | Similar size (1,552 vs 1,511 sqft); Built same year (1977); Similar lot size (20,000 vs 21,000 sqft)
    $480,000
  • 12100 Hillcrest Dr Lemont, IL 60439
    1,529 sqft | $281/sqft | built 1977 | Similar size (1,529 vs 1,511 sqft); Built same year (1977); Similar lot size (20,000 vs 21,000 sqft)
    $430,000
  • 12075 Hillcrest Dr Lemont, IL 60439
    1,565 sqft | $281/sqft | built 1977 | Similar size (1,565 vs 1,511 sqft); Built same year (1977); Similar lot size (20,000 vs 21,000 sqft)
    $440,000
  • 11808 Hillcrest Dr Lemont, IL 60439
    1,496 sqft | $301/sqft | built 1971 | Similar size (1,496 vs 1,511 sqft); Similar lot size (20,124 vs 21,000 sqft); Same quality (Average)
    $450,010
  • 11440 Bell Rd Lemont, IL 60439
    1,474 sqft | $271/sqft | built 1971 | Similar size (1,474 vs 1,511 sqft); Similar lot size (21,500 vs 21,000 sqft); Same quality (Average)
    $400,010

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 32.4% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$450,000+$110,000+32.4%
2025$340,000$00.0%
2024$340,000$00.0%
2023$340,000+$70,220+26.0%
2022$269,780$00.0%
2021$269,780$00.0%
2020$269,780——
6-year total+$180,220+66.8%