4 bed / 3 bath, 3,114 sqft, built 2003, in Leyden. Assessor market value for 2026: $734,210.
Cook County account 12042070520000
Assessor market value
$734,210
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,114 sqft
$236 per sqft
Year built
2003
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 60018 and Leyden assessment pages.
For Leyden, appeals to the Assessor closed . Board of Review dates for Leyden 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 decreased 4.9% from $771,640 in 2025 to $734,210 in 2026.
Assessor market value per square footThe current public record shows about $236 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for the Leyden neighborhood and ZIP 60018.
Neighborhood value signalAmong 503 residential records in the same neighborhood, the average assessor market value is about $240 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about -1.8% on average.
Comparable assessments
Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.
2,963 sqft | $239/sqft | built 2000 | Similar size (2,963 vs 3,114 sqft); Similar age (2000 vs 2003); Similar lot size (5,741 vs 5,600 sqft)
$708,230
Recent comparable sales
No usable comparable sales are available in this data snapshot.
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
Down 4.9% in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed