Cook County Value

517 Columbia Ave, Hinsdale, IL 60521

5 bed / 5 bath, 4,107 sqft, built 1995 Assessor market value for 2026: $1,770,000.

Cook County account 18071170150000

Assessor market value
$1,770,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,107 sqft
$431 per sqft
Year built
1995
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 $1,056,330 in 2025 to $1,770,000 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 $431 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.

  • 709 E 3rd St, Hinsdale, IL 60521
    3,874 sqft | $521/sqft | built 1998 | 6% smaller (3,874 vs 4,107 sqft); Similar age (1998 vs 1995); Similar lot size (22,350 vs 22,208 sqft)
    $2,020,000
  • 700 Harding Rd, Hinsdale, IL 60521
    4,268 sqft | $340/sqft | built 1986 | Similar size (4,268 vs 4,107 sqft); Similar lot size (22,542 vs 22,208 sqft); Same quality (Average)
    $1,450,000
  • 901 Cleveland Rd, Hinsdale, IL 60521
    3,680 sqft | $569/sqft | built 1999 | 10% smaller (3,680 vs 4,107 sqft); Similar age (1999 vs 1995); Similar lot size (20,803 vs 22,208 sqft)
    $2,092,870
  • 122 Springlake Ave, Hinsdale, IL 60521
    4,213 sqft | $387/sqft | built 1998 | Similar size (4,213 vs 4,107 sqft); Similar age (1998 vs 1995); Same quality (Average)
    $1,630,000
  • 109 Springlake Ave, Hinsdale, IL 60521
    4,114 sqft | $314/sqft | built 1993 | Similar size (4,114 vs 4,107 sqft); Similar age (1993 vs 1995); Same quality (Average)
    $1,290,000

Recent comparable sales

Sales selected by similarity to the subject property.

  • 405 Phillippa St, Hinsdale, IL 60521
    June-29-2026 | 3,149 sqft | $495/sqft | built 2005 | Moderate age difference (10 years newer); Sold after the valuation date; Same beds (5)
    $1,560,000

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 67.6% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,770,000+$713,670+67.6%
2025$1,056,330$00.0%
2024$1,056,330−$89,520−7.8%
2023$1,145,850+$50,760+4.6%
2022$1,095,090$00.0%
2021$1,095,090−$2,820−0.3%
2020$1,097,910——
6-year total+$672,090+61.2%