4 bed / 2 bath, 2,664 sqft, built 1991, in Leyden. Assessor market value for 2026: $630,000.
Cook County account 12042190090000
= In line with similar homes
8 similar homes nearby support a value at or above your county value.
Assessor market value$630,000
Similar homes$639,546
= No gap: similar homes are at or above the county value · bars start at $0
How sure: High · 8 similar homes (5 shown below) · public records only
Assessor market value
$630,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,664 sqft
$236 per sqft
Year built
1991
Average quality
What we found
Similar homes' assessments
Weak
3 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $240.07/sqft, which supports a value of $639,546.
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 stayed about the same, from $630,000 in 2025 to $630,000 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.
2,416 sqft | $240/sqft | built 1990 | 9% smaller (2,416 vs 2,664 sqft); Similar age (1990 vs 1991); Similar lot size (5,932 vs 6,384 sqft)
$580,000
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
No change in 2026 from 2025.
Assessor market value by tax year, with the change from the previous year listed