Cook County Value

924 Mason Ln, Des Plaines, IL 60016

3 bed / 2 bath, 1,000 sqft, built 1954, in Maine. Assessor market value for 2026: $279,400.

Cook County account 09211080140000

Assessor market value
$279,400
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,000 sqft
$279 per sqft
Year built
1954
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 60016 and Maine assessment pages.

Local guide: Maine Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Maine 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 6.0% from $297,130 in 2025 to $279,400 in 2026.
  • Assessor market value per square footThe current public record shows about $279 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Maine neighborhood and ZIP 60016.
  • Neighborhood value signalAmong 283 residential records in the same neighborhood, the average assessor market value is about $241 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.1% on average.

Comparable assessments

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

  • 865 Mason Ln, Des Plaines, IL 60016
    1,026 sqft | $302/sqft | built 1954 | Similar size (1,026 vs 1,000 sqft); Built same year (1954); Similar lot size (7,500 vs 7,500 sqft)
    $310,000
  • 925 Mason Ln, Des Plaines, IL 60016
    988 sqft | $263/sqft | built 1951 | Similar size (988 vs 1,000 sqft); Similar age (1951 vs 1954); Similar lot size (7,500 vs 7,500 sqft)
    $260,000
  • 846 Parkview Ln, Des Plaines, IL 60016
    1,005 sqft | $318/sqft | built 1954 | Similar size (1,005 vs 1,000 sqft); Built same year (1954); Similar lot size (7,188 vs 7,500 sqft)
    $320,000
  • 1975 Miner St, Des Plaines, IL 60016
    1,046 sqft | $296/sqft | built 1957 | Similar size (1,046 vs 1,000 sqft); Similar age (1957 vs 1954); Similar lot size (7,475 vs 7,500 sqft)
    $310,010
  • 940 Mason Ln, Des Plaines, IL 60016
    960 sqft | $292/sqft | built 1953 | Similar size (960 vs 1,000 sqft); Similar age (1953 vs 1954); Similar lot size (7,126 vs 7,500 sqft)
    $280,000

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 6.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$279,400−$17,730−6.0%
2025$297,130+$89,030+42.8%
2024$208,100−$25,600−11.0%
2023$233,700−$21,300−8.4%
2022$255,000+$98,380+62.8%
2021$156,620+$100.0%
2020$156,610——
6-year total+$122,790+78.4%