Cook County Value

309 16th St, Wilmette, IL 60091

4 bed / 2 bath, 2,828 sqft, built 1925, in New Trier. Assessor market value for 2026: $1,157,500.

Cook County account 05334030480000

Likely too high

about $35,000

8 similar homes nearby point to a value about $35,000 lower than yours.

Assessor market value$1,157,500
Similar homes$1,122,433
$35,067 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$1,157,500
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,828 sqft
$409 per sqft
Year built
1925
Average quality

Why we think so

Similar homes' assessments

Strong

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $385.45/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $153,560. Counting your land in place of theirs where theirs is less, they support a value of $1,122,433.

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 $1,157,500 in 2025 to $1,157,500 in 2026.
  • Assessor market value per square footThe current public record shows about $409 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 1,671 residential records in the same neighborhood, the average assessor market value is about $458 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.4% on average.

Comparable assessments

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

  • 121 Dupee Pl, Wilmette, IL 60091
    2,733 sqft | $379/sqft | built 1926 | Similar size (2,733 vs 2,828 sqft); Similar age (1926 vs 1925); Similar lot size (5,080 vs 4,725 sqft)
    $1,035,830
  • 807 Ridge Rd, Wilmette, IL 60091
    2,948 sqft | $244/sqft | built 1926 | Similar size (2,948 vs 2,828 sqft); Similar age (1926 vs 1925); Similar lot size (4,440 vs 4,725 sqft)
    $720,000
  • 107 Garrison Ave, Wilmette, IL 60091
    2,908 sqft | $430/sqft | built 1929 | Similar size (2,908 vs 2,828 sqft); Similar age (1929 vs 1925); Lot 10% larger (5,200 vs 4,725 sqft)
    $1,250,510
  • 217 16th St, Wilmette, IL 60091
    2,750 sqft | $385/sqft | built 1924 | Similar size (2,750 vs 2,828 sqft); Similar age (1924 vs 1925); Lot 14% larger (5,400 vs 4,725 sqft)
    $1,060,000
  • 111 3rd St, Wilmette, IL 60091
    2,835 sqft | $426/sqft | built 1920 | Similar size (2,835 vs 2,828 sqft); Similar age (1920 vs 1925); Lot 16% larger (5,480 vs 4,725 sqft)
    $1,208,340

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

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$1,157,500$00.0%
2025$1,157,500+$357,610+44.7%
2024$799,890$00.0%
2023$799,890−$150,110−15.8%
2022$950,000+$439,350+86.0%
2021$510,650+$100.0%
2020$510,640——
6-year total+$646,860+126.7%