4 bed / 3 bath, 3,597 sqft, built 1987, in Lyons. Assessor market value for 2026: $1,140,010.
Cook County account 18191030240000
≈ Small or uncertain difference
about $5,000
8 similar homes nearby point to a value about $5,000 lower than yours, a small or uncertain difference.
Assessor market value$1,140,010
Similar homes$1,135,464
▲ $4,546 gap · bars start at $0
How sure: High · 8 similar homes (5 shown below) · public records only
Assessor market value
$1,140,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,597 sqft
$317 per sqft
Year built
1987
Average quality
Why we think so
Similar homes' assessments
Weak
5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $315.67/sqft, which supports a value of $1,135,464.
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.
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 31.0% from $870,000 in 2025 to $1,140,010 in 2026.
Assessor market value per square footThe current public record shows about $317 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.
4,017 sqft | $331/sqft | built 1989 | 12% larger (4,017 vs 3,597 sqft); Similar age (1989 vs 1987); Similar lot size (27,915 vs 28,855 sqft)
$1,330,010
Recent comparable sales
Sales selected by similarity to the subject property.
1435 Tomlin Dr Burr Ridge, IL 60527
3,471 sqft | $281/sqft | built 1984 | Similar size (3,471 sqft); Similar age (1984); Within 1 bedroom (5 vs 4)
$975,000
8656 Johnston Rd Burr Ridge, IL 60527
4,220 sqft | $332/sqft | built 2002 | Same beds (4)
$1,400,000
1351 S Ridge Rd Willowbrook, IL 60527
3,690 sqft | $64/sqft | built 2003 | Similar size (3,690 sqft)
$236,000
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 31.0% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed