Cook County Value

423 E Niagara Ave, Schaumburg, IL 60193

5 bed / 3 bath, 4,585 sqft, built 2006, in Schaumburg Assessor market value for 2025: $1,060,010.

Cook County account 07351030040000

Assessor market value
$1,060,010
Tax year 2025 · before exemptions; the assessed value on your notice is 10% of it
Living area
4,585 sqft
$231 per sqft
Year built
2006
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 60193, Schaumburg, and Schaumburg assessment pages.

Appeal deadlines

Schaumburg 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 $1,060,010 in 2024 to $1,060,010 in 2025.
  • Assessor market value per square footThe current public record shows about $231 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Schaumburg neighborhood and ZIP 60193.
  • Neighborhood value signalAmong 471 residential records in the same neighborhood, the average assessor market value is about $256 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values stayed about flat on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 537 Hillcrest Dr, Schaumburg, IL 60193
    4,545 sqft | $235/sqft | built 2006 | Similar size (4,545 vs 4,585 sqft); Built same year (2006); Lot 15% smaller (20,836 vs 24,401 sqft)
    $1,070,000
  • 310 Jennifer Ln Roselle, IL 60172
    4,349 sqft | $227/sqft | built 2008 | 5% smaller (4,349 vs 4,585 sqft); Similar age (2008 vs 2006); Lot 12% smaller (21,477 vs 24,401 sqft)
    $989,000
  • 325 Nerge Rd Roselle, IL 60172
    4,547 sqft | $191/sqft | built 1997 | Similar size (4,547 vs 4,585 sqft); Lot 19% smaller (19,800 vs 24,401 sqft); Same quality (Average)
    $870,000
  • 1509 Algonquin Dr, Schaumburg, IL 60193
    4,099 sqft | $244/sqft | built 2006 | 11% smaller (4,099 vs 4,585 sqft); Built same year (2006); Lot 11% smaller (21,800 vs 24,401 sqft)
    $1,000,000
  • 1629 Roslyn Rd Roselle, IL 60172
    4,173 sqft | $240/sqft | built 2008 | 9% smaller (4,173 vs 4,585 sqft); Similar age (2008 vs 2006); Lot 16% smaller (20,400 vs 24,401 sqft)
    $1,000,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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 30.4% in 2025 from 2024.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2025$1,060,010+$247,140+30.4%
2024$812,870$00.0%
2023$812,870−$35,620−4.2%
2022$848,490+$258,930+43.9%
2021$589,560$00.0%
2020$589,560——
5-year total+$470,450+79.8%