Cook County Value

240 Blackhawk Rd, Riverside, IL 60546

4 bed / 1 bath, 1,710 sqft, built 1901, in Riverside. Assessor market value for 2026: $540,000.

Cook County account 15364060840000

Likely too high

about $80,000

8 similar homes nearby point to a value about $80,000 lower than yours.

Assessor market value$540,000
Similar homes$459,870
$80,130 gap · bars start at $0

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

Assessor market value
$540,000
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,710 sqft
$316 per sqft
Year built
1901
Average quality

Why we think so

Similar homes' assessments

Strong

7 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $268.82/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 $150,500. Counting your land in place of theirs where theirs is less, they support a value of $459,870.

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 33.8% from $403,720 in 2025 to $540,000 in 2026.
  • Assessor market value per square footThe current public record shows about $316 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

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

  • 195 Lawton Rd, Riverside, IL 60546
    1,696 sqft | $330/sqft | built 1893 | Similar size (1,696 vs 1,710 sqft); Similar lot size (8,466 vs 8,600 sqft); Same quality (Average)
    $560,010
  • 208 Waubansee Rd House, Riverside, IL 60546
    1,674 sqft | $269/sqft | built 1912 | Similar size (1,674 vs 1,710 sqft); Similar lot size (8,650 vs 8,600 sqft); Same quality (Average)
    $450,010
  • 199 Lawton Rd, Riverside, IL 60546
    1,696 sqft | $295/sqft | built 1888 | Similar size (1,696 vs 1,710 sqft); Similar lot size (8,673 vs 8,600 sqft); Same quality (Average)
    $500,000
  • 309 Gage Rd, Riverside, IL 60546
    1,622 sqft | $247/sqft | built 1896 | 5% smaller (1,622 vs 1,710 sqft); Similar age (1896 vs 1901); Similar lot size (8,175 vs 8,600 sqft)
    $400,000
  • 192 Parkview Rd, Riverside, IL 60546
    1,682 sqft | $268/sqft | built 1915 | Similar size (1,682 vs 1,710 sqft); Similar lot size (8,325 vs 8,600 sqft); Same quality (Average)
    $450,000

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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 33.8% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$540,000+$136,280+33.8%
2025$403,720−$24,420−5.7%
2024$428,140$00.0%
2023$428,140+$86,300+25.2%
2022$341,840−$41,180−10.8%
2021$383,020+$100.0%
2020$383,010——
6-year total+$156,990+41.0%