Cook County Value

1771 W Ainslie St, Chicago, IL 60640

4 bed / 2 bath, 1,900 sqft, built 1904, in Lake View. Assessor market value for 2026: $714,010.

Cook County account 14074210020000

Assessor market value
$714,010
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,900 sqft
$376 per sqft
Year built
1904
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 60640 and Lake View assessment pages.

Local guide: Lake View Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for Lake View 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 decreased 4.0% from $744,030 in 2025 to $714,010 in 2026.
  • Assessor market value per square footThe current public record shows about $376 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lake View neighborhood and ZIP 60640.
  • Neighborhood value signalAmong 1,508 residential records in the same neighborhood, the average assessor market value is about $365 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.2% on average.

Comparable assessments

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

  • 4653 N Clark St, Chicago, IL 60640
    1,896 sqft | $269/sqft | built 1902 | Similar size (1,896 vs 1,900 sqft); Similar age (1902 vs 1904); Similar lot size (3,000 vs 3,080 sqft)
    $510,000
  • 1621 W Winona St, Chicago, IL 60640
    1,896 sqft | $269/sqft | built 1914 | Similar size (1,896 vs 1,900 sqft); Similar lot size (3,100 vs 3,080 sqft); Same quality (Average)
    $510,000
  • 1710 W Winona St, Chicago, IL 60640
    1,836 sqft | $259/sqft | built 1904 | Similar size (1,836 vs 1,900 sqft); Built same year (1904); Similar lot size (3,125 vs 3,080 sqft)
    $476,400
  • 1628 W Winona St, Chicago, IL 60640
    1,844 sqft | $407/sqft | built 1905 | Similar size (1,844 vs 1,900 sqft); Similar age (1905 vs 1904); Similar lot size (3,175 vs 3,080 sqft)
    $750,000
  • 4637 N Clark St, Chicago, IL 60640
    1,896 sqft | $269/sqft | built 1901 | Similar size (1,896 vs 1,900 sqft); Similar age (1901 vs 1904); Similar lot size (3,000 vs 3,080 sqft)
    $510,000

Recent comparable sales

No usable comparable sales are available in this data snapshot.

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

Down 4.0% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$714,010−$30,020−4.0%
2025$744,030−$55,970−7.0%
2024$800,000+$202,100+33.8%
2023$597,900$00.0%
2022$597,900−$32,100−5.1%
2021$630,000+$66,330+11.8%
2020$563,670——
6-year total+$150,340+26.7%