Cook County Value

8519 Johnston Rd Burr Ridge, IL 60527

4 bed / 5 bath, 5,368 sqft, built 2004, in Lyons. Assessor market value for 2026: $1,740,000.

Cook County account 18313070050000

Assessor market value
$1,740,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
5,368 sqft
$324 per sqft
Year built
2004
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 changed from $998,730 in 2025 to $1,740,000 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 $324 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.

  • 304 Ambriance Dr Burr Ridge, IL 60527
    5,366 sqft | $365/sqft | built 2004 | Similar size (5,366 vs 5,368 sqft); Built same year (2004); Similar lot size (25,136 vs 24,042 sqft)
    $1,960,000
  • 8662 Johnston Rd Burr Ridge, IL 60527
    4,962 sqft | $365/sqft | built 2003 | 8% smaller (4,962 vs 5,368 sqft); Similar age (2003 vs 2004); Similar lot size (23,728 vs 24,042 sqft)
    $1,810,000
  • 303 Ambriance Dr Burr Ridge, IL 60527
    5,027 sqft | $414/sqft | built 2004 | 6% smaller (5,027 vs 5,368 sqft); Built same year (2004); Similar lot size (26,016 vs 24,042 sqft)
    $2,080,000
  • 8602 Johnston Rd Burr Ridge, IL 60527
    5,710 sqft | $357/sqft | built 2002 | 6% larger (5,710 vs 5,368 sqft); Similar age (2002 vs 2004); Similar lot size (23,164 vs 24,042 sqft)
    $2,040,000
  • 8521 Johnston Rd Burr Ridge, IL 60527
    5,147 sqft | $365/sqft | built 2003 | Similar size (5,147 vs 5,368 sqft); Similar age (2003 vs 2004); Similar lot size (21,966 vs 24,042 sqft)
    $1,880,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 440 60th Pl Burr Ridge, IL 60527
    5,550 sqft | $342/sqft | built 1997 | Similar size (5,550 sqft); Moderate age difference (7 years older)
    $1,900,000
  • 8656 Johnston Rd Burr Ridge, IL 60527
    4,220 sqft | $332/sqft | built 2002 | Similar age (2002); Same beds (4)
    $1,400,000

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 74.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,740,000+$741,270+74.2%
2025$998,730−$96,090−8.8%
2024$1,094,820−$305,180−21.8%
2023$1,400,000+$408,200+41.2%
2022$991,800−$162,330−14.1%
2021$1,154,130+$100.0%
2020$1,154,120——
6-year total+$585,880+50.8%