Cook County Value

420 Cahill Rd, Streamwood, IL 60107

3 bed / 1 bath, 1,300 sqft, built 1965, in Hanover. Assessor market value for 2025: $270,000.

Cook County account 06222030320000

Small or uncertain difference

about $1,000

8 similar homes nearby point to a value about $1,000 lower than yours, a small or uncertain difference.

Assessor market value$270,000
Similar homes$268,775
$1,225 gap · bars start at $0

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

Assessor market value
$270,000
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,300 sqft
$208 per sqft
Year built
1965
Average quality

Why we think so

Similar homes' assessments

Weak

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $206.75/sqft, which supports a value of $268,775.

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 60107 and Hanover assessment pages.

Appeal deadlines

Hanover 2026 appeal dates 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 stayed about the same, from $270,000 in 2024 to $270,000 in 2025.
  • Assessor market value per square footThe current public record shows about $208 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Hanover neighborhood and ZIP 60107.
  • Neighborhood value signalAmong 4,489 residential records in the same neighborhood, the average assessor market value is about $244 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

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

  • 801 Surrey Dr, Streamwood, IL 60107
    1,296 sqft | $216/sqft | built 1965 | Similar size (1,296 vs 1,300 sqft); Built same year (1965); Similar lot size (6,720 vs 6,970 sqft)
    $280,000
  • 312 Hillside Dr, Streamwood, IL 60107
    1,307 sqft | $207/sqft | built 1963 | Similar size (1,307 vs 1,300 sqft); Similar age (1963 vs 1965); Similar lot size (7,088 vs 6,970 sqft)
    $270,000
  • 321 E Streamwood Blvd, Streamwood, IL 60107
    1,291 sqft | $209/sqft | built 1963 | Similar size (1,291 vs 1,300 sqft); Similar age (1963 vs 1965); Similar lot size (6,874 vs 6,970 sqft)
    $270,000
  • 839 Post Ln, Streamwood, IL 60107
    1,309 sqft | $206/sqft | built 1967 | Similar size (1,309 vs 1,300 sqft); Similar age (1967 vs 1965); Similar lot size (7,094 vs 6,970 sqft)
    $270,000
  • 714 Sunset Cir, Streamwood, IL 60107
    1,303 sqft | $215/sqft | built 1968 | Similar size (1,303 vs 1,300 sqft); Similar age (1968 vs 1965); Similar lot size (7,099 vs 6,970 sqft)
    $280,000

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2025. 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 22.7% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$270,000+$50,000+22.7%
2024$220,000$00.0%
2023$220,000$00.0%
2022$220,000+$53,650+32.3%
2021$166,350+$100.0%
2020$166,340——
5-year total+$103,660+62.3%