Cook County Value

11330 77th St Burr Ridge, IL 60527

3 bed / 1 bath, 1,382 sqft, built 1959, in Lyons. Assessor market value for 2026: $530,000.

Cook County account 18304010230000

Assessor market value
$530,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,382 sqft
$384 per sqft
Year built
1959
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 47.3% from $359,800 in 2025 to $530,000 in 2026.
  • Assessor market value per square footThe current public record shows about $384 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 407 residential records in the same neighborhood, the average assessor market value is about $317 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +34.4% on average.

Comparable assessments

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

  • 11550 79th St Burr Ridge, IL 60527
    1,378 sqft | $399/sqft | built 1970 | Similar size (1,378 vs 1,382 sqft); Similar lot size (20,000 vs 20,527 sqft); Same quality (Average)
    $550,000
  • 7850 Circle Dr Burr Ridge, IL 60527
    1,284 sqft | $374/sqft | built 1957 | 7% smaller (1,284 vs 1,382 sqft); Similar age (1957 vs 1959); Similar lot size (20,640 vs 20,527 sqft)
    $480,000
  • 11523 79th St Burr Ridge, IL 60527
    1,464 sqft | $314/sqft | built 1961 | 6% larger (1,464 vs 1,382 sqft); Similar age (1961 vs 1959); Similar lot size (20,000 vs 20,527 sqft)
    $460,000
  • 11372 77th St Burr Ridge, IL 60527
    1,451 sqft | $345/sqft | built 1961 | Similar size (1,451 vs 1,382 sqft); Similar age (1961 vs 1959); Similar lot size (21,780 vs 20,527 sqft)
    $500,000
  • 7895 Circle Dr Burr Ridge, IL 60527
    1,468 sqft | $320/sqft | built 1962 | 6% larger (1,468 vs 1,382 sqft); Similar age (1962 vs 1959); Similar lot size (19,894 vs 20,527 sqft)
    $470,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 8043 Clarendon Hills Rd Willowbrook, IL 60527
    1,613 sqft | $167/sqft | built 1956 | Similar age (1956)
    $270,000
  • 301 Lake Hinsdale Dr #111 Willowbrook, IL 60527
    1,516 sqft | $280/sqft | built 1974 | 10% size difference (1,516 sqft); Same beds (3)
    $425,000
  • 721 68th St Willowbrook, IL 60527
    1,092 sqft | $398/sqft | built 1957 | Similar age (1957)
    $435,000
  • 101 Lake Hinsdale Dr #107 Willowbrook, IL 60527
    1,571 sqft | $239/sqft | built 1974 | 14% size difference (1,571 sqft); 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 47.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$530,000+$170,200+47.3%
2025$359,800−$22,390−5.9%
2024$382,190−$37,810−9.0%
2023$420,000+$87,920+26.5%
2022$332,080$00.0%
2021$332,080−$26,790−7.5%
2020$358,870——
6-year total+$171,130+47.7%