Cook County Value

99 N Delaplaine Rd, Riverside, IL 60546

4 bed / 3 bath, 2,476 sqft, built 1925, in Riverside. Assessor market value for 2026: $778,960.

Cook County account 15362030020000

Assessor market value
$778,960
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,476 sqft
$315 per sqft
Year built
1925
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 21.7% from $640,170 in 2025 to $778,960 in 2026.
  • Assessor market value per square footThe current public record shows about $315 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 1,898 residential records in the same neighborhood, the average assessor market value is about $278 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +20.8% on average.

Comparable assessments

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

  • 194 Olmsted Rd, Riverside, IL 60546
    2,456 sqft | $257/sqft | built 1927 | Similar size (2,456 vs 2,476 sqft); Similar age (1927 vs 1925); Similar lot size (10,020 vs 10,800 sqft)
    $630,000
  • 514 Berkley Rd, Riverside, IL 60546
    2,422 sqft | $272/sqft | built 1930 | Similar size (2,422 vs 2,476 sqft); Similar age (1930 vs 1925); Similar lot size (11,012 vs 10,800 sqft)
    $660,000
  • 136 Akenside Rd, Riverside, IL 60546
    2,597 sqft | $153/sqft | built 1923 | Similar size (2,597 vs 2,476 sqft); Similar age (1923 vs 1925); Similar lot size (10,750 vs 10,800 sqft)
    $396,320
  • 326 Northwood Rd, Riverside, IL 60546
    2,490 sqft | $265/sqft | built 1923 | Similar size (2,490 vs 2,476 sqft); Similar age (1923 vs 1925); Similar lot size (9,999 vs 10,800 sqft)
    $660,000
  • 347 Bartram Rd, Riverside, IL 60546
    2,515 sqft | $314/sqft | built 1926 | Similar size (2,515 vs 2,476 sqft); Similar age (1926 vs 1925); Similar lot size (10,076 vs 10,800 sqft)
    $790,000

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

Up 21.7% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$778,960+$138,790+21.7%
2025$640,170$00.0%
2024$640,170$00.0%
2023$640,170+$244,950+62.0%
2022$395,220$00.0%
2021$395,220+$100.0%
2020$395,210——
6-year total+$383,750+97.1%