Cook County Value

316 Lamon Ave, Wilmette, IL 60091

3 bed / 2 bath, 1,399 sqft, built 1960, in New Trier. Assessor market value for 2026: $446,830.

Cook County account 05314081110000

Assessor market value
$446,830
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,399 sqft
$319 per sqft
Year built
1960
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 decreased 6.9% from $480,000 in 2025 to $446,830 in 2026.
  • Assessor market value per square footThe current public record shows about $319 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

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 3135 Nina Ave, Wilmette, IL 60091
    1,387 sqft | $354/sqft | built 1957 | Similar size (1,387 vs 1,399 sqft); Similar age (1957 vs 1960); Similar lot size (7,727 vs 7,727 sqft)
    $490,870
  • 321 Lamon Ave, Wilmette, IL 60091
    1,389 sqft | $353/sqft | built 1958 | Similar size (1,389 vs 1,399 sqft); Similar age (1958 vs 1960); Similar lot size (7,605 vs 7,727 sqft)
    $490,990
  • 3221 Hill Ln, Wilmette, IL 60091
    1,409 sqft | $376/sqft | built 1956 | Similar size (1,409 vs 1,399 sqft); Similar age (1956 vs 1960); Similar lot size (7,701 vs 7,727 sqft)
    $530,000
  • 138 Millbrook Ln, Wilmette, IL 60091
    1,428 sqft | $361/sqft | built 1961 | Similar size (1,428 vs 1,399 sqft); Similar age (1961 vs 1960); Similar lot size (7,803 vs 7,727 sqft)
    $515,560
  • 3026 Old Glenview Rd, Wilmette, IL 60091
    1,384 sqft | $383/sqft | built 1963 | Similar size (1,384 vs 1,399 sqft); Similar age (1963 vs 1960); Similar lot size (7,850 vs 7,727 sqft)
    $530,000

Recent comparable sales

Sales selected by similarity to the subject property.

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 6.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$446,830−$33,170−6.9%
2025$480,000+$120,990+33.7%
2024$359,010−$30,990−7.9%
2023$390,000$00.0%
2022$390,000+$110,930+39.7%
2021$279,070−$14,980−5.1%
2020$294,050——
6-year total+$152,780+52.0%