Cook County Value

427 N Washington Ave, Park Ridge, IL 60068

4 bed / 3 bath, 3,266 sqft, built 1992, in Maine. Assessor market value for 2026: $1,090,730.

Cook County account 09253080030000

Assessor market value
$1,090,730
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,266 sqft
$334 per sqft
Year built
1992
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 60068 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 2.6% from $1,120,000 in 2025 to $1,090,730 in 2026.
  • Assessor market value per square footThe current public record shows about $334 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 60068.
  • Neighborhood value signalAmong 1,082 residential records in the same neighborhood, the average assessor market value is about $325 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.7% on average.

Comparable assessments

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

  • 414 Meacham Ave, Park Ridge, IL 60068
    3,268 sqft | $284/sqft | built 1988 | Similar size (3,268 vs 3,266 sqft); Similar age (1988 vs 1992); Similar lot size (8,000 vs 8,000 sqft)
    $927,100
  • 804 Elm St, Park Ridge, IL 60068
    3,300 sqft | $276/sqft | built 1991 | Similar size (3,300 vs 3,266 sqft); Similar age (1991 vs 1992); Similar lot size (7,800 vs 8,000 sqft)
    $910,000
  • 223 Elmore St, Park Ridge, IL 60068
    3,355 sqft | $319/sqft | built 1998 | Similar size (3,355 vs 3,266 sqft); Similar lot size (8,000 vs 8,000 sqft); Same quality (Average)
    $1,070,000
  • 401 Wisner St, Park Ridge, IL 60068
    3,425 sqft | $317/sqft | built 1992 | Similar size (3,425 vs 3,266 sqft); Built same year (1992); Similar lot size (8,000 vs 8,000 sqft)
    $1,086,480
  • 507 Wisner St, Park Ridge, IL 60068
    3,200 sqft | $345/sqft | built 1995 | Similar size (3,200 vs 3,266 sqft); Similar age (1995 vs 1992); Similar lot size (8,190 vs 8,000 sqft)
    $1,105,370

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 2.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,090,730−$29,270−2.6%
2025$1,120,000+$307,780+37.9%
2024$812,220——
2-year total+$278,510+34.3%