Cook County Value

50 Lagoon Ln Northfield, IL 60093

6 bed / 3 bath, 2,457 sqft, built 1974, in New Trier. Assessor market value for 2026: $722,900.

Cook County account 05302030050000

Assessor market value
$722,900
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,457 sqft
$294 per sqft
Year built
1974
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 60093 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 4.9% from $760,000 in 2025 to $722,900 in 2026.
  • Assessor market value per square footThe current public record shows about $294 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 60093.
  • Neighborhood value signalAmong 1,980 residential records in the same neighborhood, the average assessor market value is about $334 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 70 Lagoon Ln Northfield, IL 60093
    2,484 sqft | $302/sqft | built 1971 | Similar size (2,484 vs 2,457 sqft); Similar age (1971 vs 1974); Similar lot size (10,400 vs 10,000 sqft)
    $750,000
  • 1640 Harding Rd Northfield, IL 60093
    2,448 sqft | $294/sqft | built 1975 | Similar size (2,448 vs 2,457 sqft); Similar age (1975 vs 1974); Lot 10% smaller (9,000 vs 10,000 sqft)
    $720,000
  • 929 Glenwood Rd, Glenview, IL 60025
    2,408 sqft | $361/sqft | built 1987 | Similar size (2,408 vs 2,457 sqft); Similar lot size (10,080 vs 10,000 sqft); Same quality (Average)
    $868,510
  • 912 Glenwood Rd, Glenview, IL 60025
    2,478 sqft | $352/sqft | built 1964 | Similar size (2,478 vs 2,457 sqft); Similar lot size (10,220 vs 10,000 sqft); Same quality (Average)
    $872,970
  • 1107 New Trier Ct, Wilmette, IL 60091
    2,435 sqft | $324/sqft | built 1972 | Similar size (2,435 vs 2,457 sqft); Similar age (1972 vs 1974); Lot 11% smaller (8,890 vs 10,000 sqft)
    $790,000

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 4.9% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$722,900−$37,100−4.9%
2025$760,000+$214,500+39.3%
2024$545,500——
2-year total+$177,400+32.5%