Cook County Value

1327 Oak Ave Lemont, IL 60439

4 bed / 2 bath, 1,481 sqft, built 1988, in Lemont. Assessor market value for 2026: $460,000.

Cook County account 22271000430000

Assessor market value
$460,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,481 sqft
$311 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 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 21.1% from $380,000 in 2025 to $460,000 in 2026.
  • Assessor market value per square footThe current public record shows about $311 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

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

  • 1253 McCarthy Rd Lemont, IL 60439
    1,410 sqft | $305/sqft | built 1989 | Similar size (1,410 vs 1,481 sqft); Similar age (1989 vs 1988); Similar lot size (23,008 vs 23,783 sqft)
    $430,000
  • 1353 Oak Ave Lemont, IL 60439
    1,683 sqft | $303/sqft | built 1989 | 14% larger (1,683 vs 1,481 sqft); Similar age (1989 vs 1988); Similar lot size (23,783 vs 23,783 sqft)
    $510,000
  • 12145 Hillcrest Dr Lemont, IL 60439
    1,511 sqft | $298/sqft | built 1977 | Similar size (1,511 vs 1,481 sqft); Lot 12% smaller (21,000 vs 23,783 sqft); Same quality (Average)
    $450,000
  • 12103 Walker Rd Lemont, IL 60439
    1,271 sqft | $354/sqft | built 1989 | 14% smaller (1,271 vs 1,481 sqft); Similar age (1989 vs 1988); Similar lot size (24,393 vs 23,783 sqft)
    $450,000
  • 1269 118th St Lemont, IL 60439
    1,688 sqft | $255/sqft | built 1988 | 14% larger (1,688 vs 1,481 sqft); Built same year (1988); Similar lot size (23,000 vs 23,783 sqft)
    $430,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 21.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$460,000+$80,000+21.1%
2025$380,000$00.0%
2024$380,000$00.0%
2023$380,000+$84,440+28.6%
2022$295,560$00.0%
2021$295,560+$200.0%
2020$295,540——
6-year total+$164,460+55.6%