Cook County Value

321 Princeton Rd, Hinsdale, IL 60521

6 bed / 3 bath, 4,014 sqft, built 1977. Assessor market value for 2026: $1,440,000.

Cook County account 18071120120000

Assessor market value
$1,440,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,014 sqft
$359 per sqft
Year built
1977
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 60521 and CCAO Appraisal Area 21061 assessment pages.

Local guide: Lyons Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Lyons, appeals to the Assessor closed . Board of Review dates for Lyons have not been published yet.

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 $1,140,000 in 2025 to $1,440,000 in 2026.
  • Assessor market value per square footThe current public record shows about $359 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 60521.
  • Neighborhood value signalAmong 384 residential records in the same neighborhood, the average assessor market value is about $439 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +37.7% on average.

Comparable assessments

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

  • 325 Springlake Ave, Hinsdale, IL 60521
    3,800 sqft | $374/sqft | built 1977 | 5% smaller (3,800 vs 4,014 sqft); Built same year (1977); Similar lot size (16,000 vs 17,343 sqft)
    $1,420,000
  • 329 Springlake Ave, Hinsdale, IL 60521
    4,137 sqft | $360/sqft | built 1977 | Similar size (4,137 vs 4,014 sqft); Built same year (1977); Similar lot size (16,000 vs 17,343 sqft)
    $1,488,250
  • 315 Princeton Rd, Hinsdale, IL 60521
    4,162 sqft | $344/sqft | built 1973 | Similar size (4,162 vs 4,014 sqft); Similar age (1973 vs 1977); Lot 15% larger (19,977 vs 17,343 sqft)
    $1,430,000
  • 139 Springlake Ave, Hinsdale, IL 60521
    4,157 sqft | $289/sqft | built 1979 | Similar size (4,157 vs 4,014 sqft); Similar age (1979 vs 1977); Lot 10% smaller (15,600 vs 17,343 sqft)
    $1,200,000
  • 105 Princeton Rd, Hinsdale, IL 60521
    4,312 sqft | $352/sqft | built 1979 | 7% larger (4,312 vs 4,014 sqft); Similar age (1979 vs 1977); Similar lot size (18,900 vs 17,343 sqft)
    $1,520,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 522 E 3rd St, Hinsdale, IL 60521
    June-29-2026 | 3,810 sqft | $530/sqft | built 1960 | 5% size difference (3,810 sqft); Sold after the valuation date; Within 1 bedroom (5 vs 6)
    $2,020,000

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$1,440,000+$300,000+26.3%
2025$1,140,000$00.0%
2024$1,140,000$00.0%
2023$1,140,000+$141,000+14.1%
2022$999,000$00.0%
2021$999,000+$100.0%
2020$998,990——
6-year total+$441,010+44.1%