Cook County Value

3100 Country Ln, Wilmette, IL 60091

4 bed / 3 bath, 3,807 sqft, built 2000, in New Trier. Assessor market value for 2026: $1,310,000.

Cook County account 05304070330000

Assessor market value
$1,310,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,807 sqft
$344 per sqft
Year built
2000
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 60091 and New Trier assessment pages.

Local guide: New Trier Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for New Trier have closed (Assessor , Board of Review ). 2027 notices usually start in March.

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 $1,310,000 in 2025 to $1,310,000 in 2026.
  • Assessor market value per square footThe current public record shows about $344 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the New Trier neighborhood and ZIP 60091.
  • Neighborhood value signalAmong 1,109 residential records in the same neighborhood, the average assessor market value is about $311 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.1% on average.

Comparable assessments

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

  • 3200 Hill Ln, Wilmette, IL 60091
    3,680 sqft | $337/sqft | built 2003 | Similar size (3,680 vs 3,807 sqft); Similar age (2003 vs 2000); Similar lot size (8,998 vs 8,480 sqft)
    $1,240,000
  • 3148 Temple Ln, Wilmette, IL 60091
    3,620 sqft | $265/sqft | built 1990 | Similar size (3,620 vs 3,807 sqft); Similar lot size (8,710 vs 8,480 sqft); Same quality (Average)
    $960,000
  • 3015 Wilmette Ave, Wilmette, IL 60091
    3,307 sqft | $336/sqft | built 2000 | 13% smaller (3,307 vs 3,807 sqft); Built same year (2000); Similar lot size (8,480 vs 8,480 sqft)
    $1,110,000
  • 3018 Hill St, Wilmette, IL 60091
    3,342 sqft | $321/sqft | built 2000 | 12% smaller (3,342 vs 3,807 sqft); Built same year (2000); Similar lot size (8,650 vs 8,480 sqft)
    $1,074,250
  • 3204 Temple Ln, Wilmette, IL 60091
    3,752 sqft | $264/sqft | built 1987 | Similar size (3,752 vs 3,807 sqft); Similar lot size (8,905 vs 8,480 sqft); Same quality (Average)
    $990,010

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1231 Gregory Ave, Wilmette, IL 60091
    4,200 sqft | $583/sqft | built 2006 | 10% size difference (4,200 sqft); Moderate age difference (6 years newer); Within 1 bedroom (5 vs 4)
    $2,450,000

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,310,000$00.0%
2025$1,310,000+$431,250+49.1%
2024$878,750$00.0%
2023$878,750$00.0%
2022$878,750+$2,710+0.3%
2021$876,040+$100.0%
2020$876,030——
6-year total+$433,970+49.5%