Cook County Value

12173 Oxford Ct Lemont, IL 60439

4 bed / 2 bath, 3,539 sqft, built 2001, in Lemont. Assessor market value for 2026: $900,000.

Cook County account 22272070060000

Assessor market value
$900,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,539 sqft
$254 per sqft
Year built
2001
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 23.3% from $730,000 in 2025 to $900,000 in 2026.
  • Assessor market value per square footThe current public record shows about $254 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 380 residential records in the same neighborhood, the average assessor market value is about $246 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +25.8% on average.

Comparable assessments

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

  • 12448 Province Dr Lemont, IL 60439
    3,514 sqft | $248/sqft | built 2005 | Similar size (3,514 vs 3,539 sqft); Similar age (2005 vs 2001); Similar lot size (14,276 vs 14,344 sqft)
    $870,010
  • 13574 Cambridge Dr Lemont, IL 60439
    3,540 sqft | $246/sqft | built 2001 | Similar size (3,540 vs 3,539 sqft); Built same year (2001); Similar lot size (15,058 vs 14,344 sqft)
    $870,000
  • 12003 Holly Ct Lemont, IL 60439
    3,640 sqft | $217/sqft | built 1999 | Similar size (3,640 vs 3,539 sqft); Similar age (1999 vs 2001); Similar lot size (15,000 vs 14,344 sqft)
    $790,000
  • 12390 Briarcliffe Dr Lemont, IL 60439
    3,421 sqft | $251/sqft | built 2004 | Similar size (3,421 vs 3,539 sqft); Similar age (2004 vs 2001); Similar lot size (14,369 vs 14,344 sqft)
    $860,000
  • 12575 Thornberry Dr Lemont, IL 60439
    3,366 sqft | $267/sqft | built 2005 | Similar size (3,366 vs 3,539 sqft); Similar age (2005 vs 2001); Similar lot size (14,472 vs 14,344 sqft)
    $900,000

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 23.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$900,000+$170,000+23.3%
2025$730,000$00.0%
2024$730,000$00.0%
2023$730,000+$73,040+11.1%
2022$656,960$00.0%
2021$656,960+$200.0%
2020$656,940——
6-year total+$243,060+37.0%