Cook County Value

1207 Prospect Ave, Des Plaines, IL 60018

3 bed / 1 bath, 1,053 sqft, built 1955, in Maine. Assessor market value for 2026: $330,000.

Cook County account 09292250480000

Assessor market value
$330,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,053 sqft
$313 per sqft
Year built
1955
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 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 $330,000 in 2025 to $330,000 in 2026.
  • Assessor market value per square footThe current public record shows about $313 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 1,932 residential records in the same neighborhood, the average assessor market value is about $259 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.6% on average.

Comparable assessments

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

  • 1827 Lee St, Des Plaines, IL 60018
    1,055 sqft | $313/sqft | built 1955 | Similar size (1,055 vs 1,053 sqft); Built same year (1955); Similar lot size (6,820 vs 6,783 sqft)
    $330,000
  • 1947 Lee St, Des Plaines, IL 60018
    1,061 sqft | $286/sqft | built 1955 | Similar size (1,061 vs 1,053 sqft); Built same year (1955); Similar lot size (6,864 vs 6,783 sqft)
    $303,330
  • 50 N Meyer Ct, Des Plaines, IL 60016
    1,045 sqft | $301/sqft | built 1955 | Similar size (1,045 vs 1,053 sqft); Built same year (1955); Similar lot size (6,665 vs 6,783 sqft)
    $314,730
  • 1847 Ash St, Des Plaines, IL 60018
    1,057 sqft | $293/sqft | built 1954 | Similar size (1,057 vs 1,053 sqft); Similar age (1954 vs 1955); Similar lot size (6,900 vs 6,783 sqft)
    $310,000
  • 1885 Ash St, Des Plaines, IL 60018
    1,057 sqft | $293/sqft | built 1954 | Similar size (1,057 vs 1,053 sqft); Similar age (1954 vs 1955); Similar lot size (6,900 vs 6,783 sqft)
    $310,000

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

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$330,000$00.0%
2025$330,000+$60,000+22.2%
2024$270,000$00.0%
2023$270,000$00.0%
2022$270,000+$104,110+62.8%
2021$165,890+$100.0%
2020$165,880——
6-year total+$164,120+98.9%