Cook County Value

975 Thornwood Ln, Glenview, IL 60025

4 bed / 3 bath, 4,405 sqft, built 2010, in Northfield. Assessor market value for 2026: $1,902,440.

Cook County account 04354100440000

Assessor market value
$1,902,440
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,405 sqft
$432 per sqft
Year built
2010
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 60025 and Northfield assessment pages.

Local guide: Northfield Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Northfield, appeals to the Assessor closed . Board of Review dates for Northfield have not been published yet.

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 5.1% from $2,005,520 in 2025 to $1,902,440 in 2026.
  • Assessor market value per square footThe current public record shows about $432 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northfield neighborhood and ZIP 60025.
  • Neighborhood value signalAmong 654 residential records in the same neighborhood, the average assessor market value is about $365 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.0% on average.

Comparable assessments

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

  • 615 Spring Ln, Glenview, IL 60025
    4,689 sqft | $461/sqft | built 2007 | 6% larger (4,689 vs 4,405 sqft); Similar age (2007 vs 2010); Similar lot size (29,260 vs 28,576 sqft)
    $2,160,000
  • 921 Drake Rd, Glenview, IL 60025
    4,459 sqft | $532/sqft | built 2021 | Similar size (4,459 vs 4,405 sqft); Similar lot size (27,750 vs 28,576 sqft); Same quality (Average)
    $2,370,000
  • 938 Raleigh Rd, Glenview, IL 60025
    4,254 sqft | $516/sqft | built 2009 | Similar size (4,254 vs 4,405 sqft); Similar age (2009 vs 2010); Lot 14% smaller (24,489 vs 28,576 sqft)
    $2,195,760
  • 937 Club Cir, Glenview, IL 60025
    4,310 sqft | $517/sqft | built 2015 | Similar size (4,310 vs 4,405 sqft); Similar age (2015 vs 2010); Lot 13% larger (32,424 vs 28,576 sqft)
    $2,230,000
  • 1466 Central Pky, Glenview, IL 60025
    4,359 sqft | $481/sqft | built 2017 | Similar size (4,359 vs 4,405 sqft); Same quality (Average); Same bed/bath (4/3)
    $2,095,540

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 5.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,902,440−$103,080−5.1%
2025$2,005,520+$196,850+10.9%
2024$1,808,670$00.0%
2023$1,808,670−$201,330−10.0%
2022$2,010,000+$531,870+36.0%
2021$1,478,130$00.0%
2020$1,478,130——
6-year total+$424,310+28.7%