Cook County Value

6440 Hillcrest Dr Burr Ridge, IL 60527

4 bed / 3 bath, 4,450 sqft, built 1986, in Lyons. Assessor market value for 2026: $1,270,000.

Cook County account 18191030230000

Assessor market value
$1,270,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,450 sqft
$285 per sqft
Year built
1986
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 60527 and Lyons assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons 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 32.3% from $960,000 in 2025 to $1,270,000 in 2026.
  • Assessor market value per square footThe current public record shows about $285 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lyons neighborhood and ZIP 60527.
  • Neighborhood value signalAmong 550 residential records in the same neighborhood, the average assessor market value is about $347 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +38.7% on average.

Comparable assessments

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

  • 6420 Hillcrest Dr Burr Ridge, IL 60527
    4,341 sqft | $306/sqft | built 1987 | Similar size (4,341 vs 4,450 sqft); Similar age (1987 vs 1986); Similar lot size (25,200 vs 25,200 sqft)
    $1,330,000
  • 6652 Manor Dr Burr Ridge, IL 60527
    4,466 sqft | $282/sqft | built 1994 | Similar size (4,466 vs 4,450 sqft); Similar lot size (24,805 vs 25,200 sqft); Same quality (Average)
    $1,260,010
  • 604 Ambriance Dr Burr Ridge, IL 60527
    4,471 sqft | $300/sqft | built 1992 | Similar size (4,471 vs 4,450 sqft); Similar lot size (25,000 vs 25,200 sqft); Same quality (Average)
    $1,340,000
  • 35 Dougshire Ct Burr Ridge, IL 60527
    4,399 sqft | $314/sqft | built 1985 | Similar size (4,399 vs 4,450 sqft); Similar age (1985 vs 1986); Similar lot size (22,900 vs 25,200 sqft)
    $1,380,000
  • 802 Ambriance Dr Burr Ridge, IL 60527
    4,335 sqft | $332/sqft | built 1998 | Similar size (4,335 vs 4,450 sqft); Similar lot size (25,404 vs 25,200 sqft); Same quality (Average)
    $1,440,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 8656 Johnston Rd Burr Ridge, IL 60527
    4,220 sqft | $332/sqft | built 2002 | 5% size difference (4,220 sqft); Same beds (4)
    $1,400,000
  • 1435 Tomlin Dr Burr Ridge, IL 60527
    3,471 sqft | $281/sqft | built 1984 | Similar age (1984); Within 1 bedroom (5 vs 4)
    $975,000

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 32.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,270,000+$310,000+32.3%
2025$960,000$00.0%
2024$960,000$00.0%
2023$960,000−$2,120−0.2%
2022$962,120$00.0%
2021$962,120$00.0%
2020$962,120——
6-year total+$307,880+32.0%