Cook County Value

504 Grego Ct Prospect Heights, IL 60070

4 bed / 2 bath, 1,789 sqft, built 1959, in Wheeling Assessor market value for 2026: $410,000.

Cook County account 03233040060000

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Assessor market value$410,000
Similar homes$410,038
No gap: similar homes are at or above the county value · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Assessor market value
$410,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,789 sqft
$229 per sqft
Year built
1959
Average quality

What we found

Similar homes' assessments

Weak

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $228.79/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $101,500. Counting your land in place of theirs where theirs is less, they support a value of $410,038.

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 60070 and Wheeling assessment pages.

Local guide: Wheeling Township 2026 Property Tax Appeal Guide.

Appeal deadlines

For Wheeling, appeals to the Assessor are open through (3 days left).

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 stayed about the same, from $410,000 in 2025 to $410,000 in 2026.
  • Assessor market value per square footThe current public record shows about $229 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Wheeling neighborhood and ZIP 60070.
  • Neighborhood value signalAmong 290 residential records in the same neighborhood, the average assessor market value is about $234 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.0% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

Recent comparable sales

Sales selected by similarity to the subject property.

  • 1208 Sherwood Dr Prospect Heights, IL 60070
    1,918 sqft | $258/sqft | built 1961 | 7% size difference (1,918 sqft); Similar age (1961); Same beds (4)
    $494,000
  • 10 S Maple Ln Prospect Heights, IL 60070
    1,705 sqft | $293/sqft | built 1949 | Similar size (1,705 sqft); Moderate age difference (10 years older)
    $500,000
  • 210 W Ridge Ave Prospect Heights, IL 60070
    1,559 sqft | $362/sqft | built 1954 | 13% size difference (1,559 sqft); Moderate age difference (5 years older); Same beds (4)
    $565,000
  • 301 Waterman Ave Prospect Heights, IL 60070
    1,386 sqft | $289/sqft | built 1959 | Similar age (1959); Within 1 bedroom (3 vs 4)
    $400,000
  • 101 E Olive Ave Prospect Heights, IL 60070
    1,714 sqft | $263/sqft | built 1939 | Similar size (1,714 sqft); Within 1 bedroom (3 vs 4)
    $450,000

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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$410,000$00.0%
2025$410,000+$94,870+30.1%
2024$315,130−$18,320−5.5%
2023$333,450−$36,550−9.9%
2022$370,000+$111,730+43.3%
2021$258,270$00.0%
2020$258,270——
6-year total+$151,730+58.7%