Cook County Value

721 E 3rd St, Hinsdale, IL 60521

4 bed / 3 bath, 3,581 sqft, built 1977. Assessor market value for 2026: $1,290,000.

Cook County account 18071080350000

Assessor market value
$1,290,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,581 sqft
$360 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 changed from $800,600 in 2025 to $1,290,000 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Assessor market value per square footThe current public record shows about $360 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.

  • 321 Springlake Ave, Hinsdale, IL 60521
    3,686 sqft | $377/sqft | built 1978 | Similar size (3,686 vs 3,581 sqft); Similar age (1978 vs 1977); Similar lot size (16,000 vs 15,600 sqft)
    $1,390,000
  • 129 Springlake Ave, Hinsdale, IL 60521
    3,551 sqft | $335/sqft | built 1976 | Similar size (3,551 vs 3,581 sqft); Similar age (1976 vs 1977); Lot 13% smaller (13,600 vs 15,600 sqft)
    $1,190,000
  • 111 Princeton Rd, Hinsdale, IL 60521
    3,428 sqft | $408/sqft | built 1972 | Similar size (3,428 vs 3,581 sqft); Similar age (1972 vs 1977); Similar lot size (16,600 vs 15,600 sqft)
    $1,400,000
  • 762 Harding Rd, Hinsdale, IL 60521
    3,516 sqft | $336/sqft | built 1964 | Similar size (3,516 vs 3,581 sqft); Similar lot size (15,600 vs 15,600 sqft); Same quality (Average)
    $1,180,000
  • 325 Springlake Ave, Hinsdale, IL 60521
    3,800 sqft | $374/sqft | built 1977 | 6% larger (3,800 vs 3,581 sqft); Built same year (1977); Similar lot size (16,000 vs 15,600 sqft)
    $1,420,000

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 | 6% size difference (3,810 sqft); Sold after the valuation date; Within 1 bedroom (5 vs 4)
    $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 61.1% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,290,000+$489,400+61.1%
2025$800,600$00.0%
2024$800,600$00.0%
2023$800,600−$35,170−4.2%
2022$835,770$00.0%
2021$835,770−$13,800−1.6%
2020$849,570——
6-year total+$440,430+51.8%