Cook County Value

720 Singer Ave Lemont, IL 60439

4 bed / 2 bath, 1,920 sqft, built 1907, in Lemont. Assessor market value for 2026: $400,000.

Cook County account 22291100180000

Assessor market value
$400,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,920 sqft
$208 per sqft
Year built
1907
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 38.3% from $289,220 in 2025 to $400,000 in 2026.
  • Assessor market value per square footThe current public record shows about $208 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 1,277 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 +25.5% on average.

Comparable assessments

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

  • 700 Singer Ave Lemont, IL 60439
    1,902 sqft | $205/sqft | built 1893 | Similar size (1,902 vs 1,920 sqft); Similar lot size (8,122 vs 8,122 sqft); Same quality (Average)
    $390,000
  • 813 Warner Ave Lemont, IL 60439
    1,846 sqft | $222/sqft | built 1918 | Similar size (1,846 vs 1,920 sqft); Similar lot size (8,520 vs 8,122 sqft); Same quality (Average)
    $410,000
  • 730 Singer Ave Lemont, IL 60439
    2,023 sqft | $203/sqft | built 1917 | 5% larger (2,023 vs 1,920 sqft); Similar lot size (8,122 vs 8,122 sqft); Same quality (Average)
    $410,000
  • 730 State St Lemont, IL 60439
    1,800 sqft | $222/sqft | built 1913 | 6% smaller (1,800 vs 1,920 sqft); Lot 12% smaller (7,148 vs 8,122 sqft); Same quality (Average)
    $400,010
  • 309 Lemont St Lemont, IL 60439
    1,924 sqft | $198/sqft | built 1897 | Similar size (1,924 vs 1,920 sqft); Same quality (Average); Same bed/bath (4/2)
    $380,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 38.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$400,000+$110,780+38.3%
2025$289,220$00.0%
2024$289,220−$20,780−6.7%
2023$310,000+$39,820+14.7%
2022$270,180$00.0%
2021$270,180$00.0%
2020$270,180——
6-year total+$129,820+48.0%