Cook County Value

3030 Gregory Ave, Wilmette, IL 60091

3 bed / 1 bath, 1,301 sqft, built 1957, in New Trier. Assessor market value for 2026: $406,010.

Cook County account 05323010110000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$406,010
Similar homes$482,905
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
$406,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,301 sqft
$312 per sqft
Year built
1957
Average quality

What we found

Similar homes' assessments

Weak

1 of 8 similar homes is assessed lower per square foot. Their similarity-weighted median is $369.17/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 $133,450. Counting your land in place of theirs where theirs is less, they support a value of $482,905.

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 14.0% from $472,150 in 2025 to $406,010 in 2026.
  • Assessor market value per square footThe current public record shows about $312 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.

  • 332 Hibbard Rd, Wilmette, IL 60091
    1,325 sqft | $369/sqft | built 1959 | Similar size (1,325 vs 1,301 sqft); Similar age (1959 vs 1957); Similar lot size (7,838 vs 7,850 sqft)
    $489,150
  • 3038 Hill St, Wilmette, IL 60091
    1,274 sqft | $385/sqft | built 1957 | Similar size (1,274 vs 1,301 sqft); Built same year (1957); Similar lot size (8,000 vs 7,850 sqft)
    $490,000
  • 635 Lamon Ave, Wilmette, IL 60091
    1,329 sqft | $333/sqft | built 1958 | Similar size (1,329 vs 1,301 sqft); Similar age (1958 vs 1957); Similar lot size (7,920 vs 7,850 sqft)
    $442,840
  • 230 Hibbard Rd, Wilmette, IL 60091
    1,275 sqft | $361/sqft | built 1954 | Similar size (1,275 vs 1,301 sqft); Similar age (1954 vs 1957); Similar lot size (7,838 vs 7,850 sqft)
    $460,000
  • 3023 Hill St, Wilmette, IL 60091
    1,290 sqft | $388/sqft | built 1957 | Similar size (1,290 vs 1,301 sqft); Built same year (1957); Similar lot size (7,350 vs 7,850 sqft)
    $500,000

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 14.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$406,010−$66,140−14.0%
2025$472,150+$86,260+22.4%
2024$385,890$00.0%
2023$385,890−$34,110−8.1%
2022$420,000+$112,550+36.6%
2021$307,450+$13,220+4.5%
2020$294,230——
6-year total+$111,780+38.0%