Cook County Value

8220 Greystone Ct Burr Ridge, IL 60527

4 bed / 5 bath, 4,459 sqft, built 1999, in Lyons. Assessor market value for 2026: $1,610,010.

Cook County account 18311020180000

Assessor market value
$1,610,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,459 sqft
$361 per sqft
Year built
1999
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 22.7% from $1,312,110 in 2025 to $1,610,010 in 2026.
  • Assessor market value per square footThe current public record shows about $361 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.

  • 8 Seneca Ct Burr Ridge, IL 60527
    4,435 sqft | $286/sqft | built 1993 | Similar size (4,435 vs 4,459 sqft); Similar lot size (30,000 vs 30,187 sqft); Same quality (Average)
    $1,270,000
  • 204 Ambriance Dr Burr Ridge, IL 60527
    4,268 sqft | $342/sqft | built 1999 | Similar size (4,268 vs 4,459 sqft); Built same year (1999); Similar lot size (28,904 vs 30,187 sqft)
    $1,460,000
  • 2 Seneca Ct Burr Ridge, IL 60527
    4,407 sqft | $300/sqft | built 1992 | Similar size (4,407 vs 4,459 sqft); Similar lot size (30,047 vs 30,187 sqft); Same quality (Average)
    $1,320,010
  • 3 Seneca Ct Burr Ridge, IL 60527
    4,666 sqft | $279/sqft | built 1995 | Similar size (4,666 vs 4,459 sqft); Similar age (1995 vs 1999); Similar lot size (30,000 vs 30,187 sqft)
    $1,300,000
  • 707 Ambriance Dr Burr Ridge, IL 60527
    4,597 sqft | $433/sqft | built 2004 | Similar size (4,597 vs 4,459 sqft); Similar age (2004 vs 1999); Lot 11% smaller (27,011 vs 30,187 sqft)
    $1,990,010

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); Similar age (2002); Same beds (4)
    $1,400,000
  • 6110 Garfield Ave Burr Ridge, IL 60527
    4,122 sqft | $613/sqft | built 1999 | 8% size difference (4,122 sqft); Similar age (1999); Within 1 bedroom (5 vs 4)
    $2,525,000

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 22.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,610,010+$297,900+22.7%
2025$1,312,110$00.0%
2024$1,312,110−$67,890−4.9%
2023$1,380,000+$535,900+63.5%
2022$844,100−$101,200−10.7%
2021$945,300+$100.0%
2020$945,290——
6-year total+$664,720+70.3%