Cook County Value

11309 71st St Burr Ridge, IL 60527

3 bed / 1 bath, 1,352 sqft, built 1971, in Lyons. Assessor market value for 2026: $440,010.

Cook County account 18302010640000

Assessor market value
$440,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,352 sqft
$325 per sqft
Year built
1971
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 22.2% from $360,000 in 2025 to $440,010 in 2026.
  • Assessor market value per square footThe current public record shows about $325 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 1,708 residential records in the same neighborhood, the average assessor market value is about $282 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +27.5% on average.

Comparable assessments

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

  • 11317 71st St Burr Ridge, IL 60527
    1,329 sqft | $384/sqft | built 1972 | Similar size (1,329 vs 1,352 sqft); Similar age (1972 vs 1971); Similar lot size (17,430 vs 17,430 sqft)
    $510,010
  • 11215 71st St Burr Ridge, IL 60527
    1,392 sqft | $359/sqft | built 1974 | Similar size (1,392 vs 1,352 sqft); Similar age (1974 vs 1971); Similar lot size (17,430 vs 17,430 sqft)
    $500,010
  • 1698 59th Pl, La Grange, IL 60525
    1,352 sqft | $370/sqft | built 1967 | Similar size (1,352 vs 1,352 sqft); Similar age (1967 vs 1971); Lot 12% larger (19,484 vs 17,430 sqft)
    $500,000
  • 5602 S Park Rd Countryside, IL 60525
    1,290 sqft | $333/sqft | built 1976 | Similar size (1,290 vs 1,352 sqft); Similar age (1976 vs 1971); Similar lot size (16,500 vs 17,430 sqft)
    $430,000
  • 1345 W 54th Pl Hse, La Grange, IL 60525
    1,327 sqft | $362/sqft | built 1961 | Similar size (1,327 vs 1,352 sqft); Similar lot size (18,600 vs 17,430 sqft); Same quality (Average)
    $480,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 7978 Garfield Ave #105 Burr Ridge, IL 60527
    1,363 sqft | $202/sqft | built 1981 | Similar size (1,363 sqft); Moderate age difference (10 years newer); Within 1 bedroom (2 vs 3)
    $275,000
  • 717 Maplewood Ct UNIT 38B Willowbrook, IL 60527
    1,337 sqft | $262/sqft | built 1986 | Similar size (1,337 sqft); Same beds (3)
    $350,000
  • 724 Maplewood Ct UNIT 34B Willowbrook, IL 60527
    1,337 sqft | $226/sqft | built 1986 | Similar size (1,337 sqft); Same beds (3)
    $302,000
  • 301 Lake Hinsdale Dr #111 Willowbrook, IL 60527
    1,516 sqft | $280/sqft | built 1974 | 12% size difference (1,516 sqft); Similar age (1974); Same beds (3)
    $425,000
  • 101 Lake Hinsdale Dr #107 Willowbrook, IL 60527
    1,571 sqft | $239/sqft | built 1974 | Similar age (1974); Same beds (3)
    $375,000

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 22.2% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$440,010+$80,010+22.2%
2025$360,000$00.0%
2024$360,000$00.0%
2023$360,000+$64,190+21.7%
2022$295,810$00.0%
2021$295,810+$100.0%
2020$295,800——
6-year total+$144,210+48.8%