Cook County Value

665 Larson Ln, Schaumburg, IL 60172

4 bed / 3 bath, 4,106 sqft, built 1998, in Schaumburg Assessor market value for 2025: $810,000.

Cook County account 07344100010000

Assessor market value
$810,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,106 sqft
$197 per sqft
Year built
1998

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 60172 and Schaumburg assessment pages.

Appeal deadlines

Schaumburg 2026 appeal dates 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 stayed about the same, from $810,000 in 2024 to $810,000 in 2025.
  • Assessor market value per square footThe current public record shows about $197 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Schaumburg neighborhood and ZIP 60172.
  • Neighborhood value signalAmong 471 residential records in the same neighborhood, the average assessor market value is about $256 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 344 Jennifer Ln Roselle, IL 60172
    4,051 sqft | $210/sqft | built 1999 | Similar size (4,051 vs 4,106 sqft); Similar age (1999 vs 1998); Similar lot size (12,070 vs 12,028 sqft)
    $850,010
  • 374 Jennifer Ln Roselle, IL 60172
    4,002 sqft | $207/sqft | built 1998 | Similar size (4,002 vs 4,106 sqft); Built same year (1998); Similar lot size (12,155 vs 12,028 sqft)
    $830,000
  • 351 Jennifer Ln Roselle, IL 60172
    3,976 sqft | $216/sqft | built 2000 | Similar size (3,976 vs 4,106 sqft); Similar age (2000 vs 1998); Similar lot size (12,870 vs 12,028 sqft)
    $860,010
  • 341 Jennifer Ln Roselle, IL 60172
    5,030 sqft | $177/sqft | built 1998 | Built same year (1998); Similar lot size (11,440 vs 12,028 sqft); Same neighborhood
    $890,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 115 Flamingo Dr Roselle, IL 60172
    3,428 sqft | $230/sqft | built 1998 | Similar age (1998); Same beds (4)
    $790,000

Public appraisal comparison for 2025. 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

Up 28.6% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$810,000+$180,000+28.6%
2024$630,000$00.0%
2023$630,000$00.0%
2022$630,000+$145,390+30.0%
2021$484,610+$200.0%
2020$484,590——
5-year total+$325,410+67.2%