Cook County Value

2258 Webster Ln, Des Plaines, IL 60018

4 bed / 3 bath, 3,090 sqft, built 2005, in Maine. Assessor market value for 2026: $760,000.

Cook County account 09293022000000

Likely too high

about $73,000

8 similar homes nearby point to a value about $73,000 lower than yours.

Assessor market value$760,000
Similar homes$687,463
$72,537 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$760,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,090 sqft
$246 per sqft
Year built
2005
Average quality

Why we think so

Similar homes' assessments

Strong

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $221.89/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 $112,080. Counting your land in place of theirs where theirs is less, they support a value of $687,463.

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 60018 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 stayed about the same, from $760,000 in 2025 to $760,000 in 2026.
  • Assessor market value per square footThe current public record shows about $246 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 60018.
  • Neighborhood value signalAmong 855 residential records in the same neighborhood, the average assessor market value is about $264 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.4% on average.

Comparable assessments

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

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$760,000$00.0%
2025$760,000+$140,000+22.6%
2024$620,000——
2-year total+$140,000+22.6%