Cook County Value

821 W Newport Ave, Chicago, IL 60657

13 bed / 7 bath, 6,429 sqft, built 1899, in Lake View. Assessor market value for 2026: $1,580,960.

Cook County account 14204130390000

Assessor market value
$1,580,960
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
6,429 sqft
$246 per sqft
Year built
1899
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 60657, Lake View, Lincoln Park, 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 11.5% from $1,785,790 in 2025 to $1,580,960 in 2026.
  • Assessor market value per square footThe current public record shows about $246 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 60657.
  • Neighborhood value signalAmong 2,614 residential records in the same neighborhood, the average assessor market value is about $441 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.

  • 3539 N Reta Ave, Chicago, IL 60657
    6,414 sqft | $240/sqft | built 1900 | Similar size (6,414 vs 6,429 sqft); Similar age (1900 vs 1899); Similar lot size (3,125 vs 3,125 sqft)
    $1,536,940
  • 3545 N Reta Ave, Chicago, IL 60657
    6,240 sqft | $246/sqft | built 1900 | Similar size (6,240 vs 6,429 sqft); Similar age (1900 vs 1899); Similar lot size (3,125 vs 3,125 sqft)
    $1,534,720
  • 1224 W Belmont Ave, Chicago, IL 60657
    6,516 sqft | $238/sqft | built 1901 | Similar size (6,516 vs 6,429 sqft); Similar age (1901 vs 1899); Similar lot size (3,025 vs 3,125 sqft)
    $1,552,500
  • 3614 N Bosworth Ave, Chicago, IL 60613
    5,943 sqft | $225/sqft | built 1905 | 8% smaller (5,943 vs 6,429 sqft); Similar lot size (3,085 vs 3,125 sqft); Same quality (Average)
    $1,340,000
  • 3765 N Kenmore Ave, Chicago, IL 60613
    5,844 sqft | $225/sqft | built 1901 | 9% smaller (5,844 vs 6,429 sqft); Similar age (1901 vs 1899); Similar lot size (3,000 vs 3,125 sqft)
    $1,315,380

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 11.5% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,580,960−$204,830−11.5%
2025$1,785,790$00.0%
2024$1,785,790+$525,790+41.7%
2023$1,260,000$00.0%
2022$1,260,000−$108,810−7.9%
2021$1,368,810+$301,800+28.3%
2020$1,067,010——
6-year total+$513,950+48.2%