Cook County Value

427 Loudon Rd, Riverside, IL 60546

4 bed / 2 bath, 1,911 sqft, built 1927, in Riverside. Assessor market value for 2026: $510,040.

Cook County account 15253030020000

Assessor market value
$510,040
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,911 sqft
$267 per sqft
Year built
1927
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 17.3% from $434,990 in 2025 to $510,040 in 2026.
  • Assessor market value per square footThe current public record shows about $267 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.

  • 396 Addison Rd, Riverside, IL 60546
    1,942 sqft | $268/sqft | built 1928 | Similar size (1,942 vs 1,911 sqft); Similar age (1928 vs 1927); Similar lot size (8,130 vs 8,145 sqft)
    $520,010
  • 339 Herrick Rd, Riverside, IL 60546
    1,914 sqft | $256/sqft | built 1922 | Similar size (1,914 vs 1,911 sqft); Similar age (1922 vs 1927); Similar lot size (8,050 vs 8,145 sqft)
    $490,010
  • 284 Gage Rd, Riverside, IL 60546
    1,915 sqft | $270/sqft | built 1925 | Similar size (1,915 vs 1,911 sqft); Similar age (1925 vs 1927); Similar lot size (8,770 vs 8,145 sqft)
    $516,330
  • 504 Selborne Rd, Riverside, IL 60546
    1,885 sqft | $255/sqft | built 1930 | Similar size (1,885 vs 1,911 sqft); Similar age (1930 vs 1927); Similar lot size (8,250 vs 8,145 sqft)
    $480,010
  • 475 Kent Rd, Riverside, IL 60546
    1,868 sqft | $289/sqft | built 1929 | Similar size (1,868 vs 1,911 sqft); Similar age (1929 vs 1927); Similar lot size (8,000 vs 8,145 sqft)
    $540,000

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 17.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$510,040+$75,050+17.3%
2025$434,990$00.0%
2024$434,990−$65,010−13.0%
2023$500,000+$169,020+51.1%
2022$330,980$00.0%
2021$330,980−$36,190−9.9%
2020$367,170——
6-year total+$142,870+38.9%