Cook County Value

422 Longcommon Rd, Riverside, IL 60546

4 bed / 2 bath, 2,209 sqft, built 1941, in Riverside. Assessor market value for 2026: $509,960.

Cook County account 15254100520000

Assessor market value
$509,960
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
2,209 sqft
$231 per sqft
Year built
1941
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 21.1% from $421,250 in 2025 to $509,960 in 2026.
  • Assessor market value per square footThe current public record shows about $231 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.

  • 716 Selborne Rd, Riverside, IL 60546
    2,237 sqft | $255/sqft | built 1939 | Similar size (2,237 vs 2,209 sqft); Similar age (1939 vs 1941); Similar lot size (6,650 vs 6,428 sqft)
    $570,010
  • 588 Selborne Rd, Riverside, IL 60546
    2,209 sqft | $258/sqft | built 1941 | Similar size (2,209 vs 2,209 sqft); Built same year (1941); Similar lot size (6,718 vs 6,428 sqft)
    $570,010
  • 392 Blythe Rd, Riverside, IL 60546
    2,208 sqft | $259/sqft | built 1942 | Similar size (2,208 vs 2,209 sqft); Similar age (1942 vs 1941); Similar lot size (7,056 vs 6,428 sqft)
    $572,940
  • 700 Selborne Rd, Riverside, IL 60546
    2,181 sqft | $257/sqft | built 1935 | Similar size (2,181 vs 2,209 sqft); Similar lot size (6,600 vs 6,428 sqft); Same quality (Average)
    $560,000
  • 315 Lawton Rd, Riverside, IL 60546
    2,245 sqft | $286/sqft | built 1944 | Similar size (2,245 vs 2,209 sqft); Similar age (1944 vs 1941); Lot 13% larger (7,245 vs 6,428 sqft)
    $643,140

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 21.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$509,960+$88,710+21.1%
2025$421,250−$53,680−11.3%
2024$474,930−$22,310−4.5%
2023$497,240+$167,280+50.7%
2022$329,960$00.0%
2021$329,960−$33,930−9.3%
2020$363,890——
6-year total+$146,070+40.1%