Cook County Value

250 N Delaplaine Rd, Riverside, IL 60546

3 bed / 3 bath, 3,946 sqft, built 1955, in Riverside. Assessor market value for 2026: $1,010,010.

Cook County account 15361000140000

Assessor market value
$1,010,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,946 sqft
$256 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 60546 and Riverside assessment pages.

Local guide: Riverside Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Riverside 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 increased 26.3% from $800,000 in 2025 to $1,010,010 in 2026.
  • Assessor market value per square footThe current public record shows about $256 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Riverside neighborhood and ZIP 60546.
  • Neighborhood value signalAmong 684 residential records in the same neighborhood, the average assessor market value is about $299 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +31.8% on average.

Comparable assessments

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

  • 355 Uvedale Rd, Riverside, IL 60546
    3,864 sqft | $280/sqft | built 1951 | Similar size (3,864 vs 3,946 sqft); Similar age (1951 vs 1955); Similar lot size (24,700 vs 23,990 sqft)
    $1,083,500
  • 256 Scottswood Rd, Riverside, IL 60546
    4,062 sqft | $286/sqft | built 1963 | Similar size (4,062 vs 3,946 sqft); Similar lot size (21,691 vs 23,990 sqft); Same quality (Average)
    $1,160,000
  • 262 Longcommon Rd, Riverside, IL 60546
    3,753 sqft | $304/sqft | built 1963 | Similar size (3,753 vs 3,946 sqft); Lot 10% smaller (21,500 vs 23,990 sqft); Same quality (Average)
    $1,140,000
  • 297 Gatesby Rd, Riverside, IL 60546
    3,720 sqft | $317/sqft | built 1968 | 6% smaller (3,720 vs 3,946 sqft); Lot 15% smaller (20,461 vs 23,990 sqft); Same quality (Average)
    $1,180,000
  • 326 Evelyn Rd, Riverside, IL 60546
    3,708 sqft | $251/sqft | built 1951 | 6% smaller (3,708 vs 3,946 sqft); Similar age (1951 vs 1955); Same quality (Average)
    $930,010

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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

Up 26.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,010,010+$210,010+26.3%
2025$800,000$00.0%
2024$800,000$00.0%
2023$800,000+$181,970+29.4%
2022$618,030$00.0%
2021$618,030+$100.0%
2020$618,020——
6-year total+$391,990+63.4%