Cook County Value

52 Brookside Dr Lemont, IL 60439

5 bed / 5 bath, 4,041 sqft, built 2025, in Lemont Assessor market value for 2026: $1,534,500.

Cook County account 22242020010000

Not enough similar homes to tell

We found only 2 similar homes, not enough to judge your county value.

How sure: Low · 2 similar homes · public records only

Assessor market value
$1,534,500
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,041 sqft
$380 per sqft
Year built
2025
Average quality

What we found

Similar homes' assessments

Not available

We found only 2 similar homes, too few to rate this argument (2 are assessed lower per square foot).

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 changed from $924,650 in 2025 to $1,534,500 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $380 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 321 residential records in the same neighborhood, the average assessor market value is about $244 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +52.5% on average.

Comparable assessments

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

  • 3 Martin Ct Lemont, IL 60439
    4,020 sqft | $361/sqft | built 2025 | Similar size (4,020 vs 4,041 sqft); Built same year (2025); Lot 19% smaller (62,160 vs 77,014 sqft)
    $1,450,000
  • 48 Rusty Rd Lemont, IL 60439
    5,229 sqft | $281/sqft | built 2019 | Same quality (Average); Same neighborhood
    $1,470,000

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 66.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,534,500+$609,850+66.0%
2025$924,650+$674,350+269.4%
2024$250,300$00.0%
2023$250,300+$19,260+8.3%
2022$231,040$00.0%
2021$231,040$00.0%
2020$231,040——
6-year total+$1,303,460+564.2%