Cook County Value

634 W Wellington Ave 1, Chicago, IL 60657

9 bed / 3 bath, 3,924 sqft, built 1903, in Lake View. Assessor market value for 2026: $1,183,800.

Cook County account 14281070540000

Assessor market value
$1,183,800
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
3,924 sqft
$302 per sqft
Year built
1903
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 stayed about the same, from $1,183,800 in 2025 to $1,183,800 in 2026.
  • Assessor market value per square footThe current public record shows about $302 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 198 residential records in the same neighborhood, the average assessor market value is about $370 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.8% on average.

Comparable assessments

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

  • 716 W Briar Pl, Chicago, IL 60657
    3,852 sqft | $302/sqft | built 1893 | Similar size (3,852 vs 3,924 sqft); Similar lot size (3,125 vs 3,200 sqft); Same quality (Average)
    $1,162,130
  • 625 W Belmont Ave, Chicago, IL 60657
    4,140 sqft | $290/sqft | built 1891 | 6% larger (4,140 vs 3,924 sqft); Similar lot size (3,125 vs 3,200 sqft); Same quality (Average)
    $1,200,000
  • 3439 N Halsted St, Chicago, IL 60657
    4,050 sqft | $301/sqft | built 1902 | Similar size (4,050 vs 3,924 sqft); Similar age (1902 vs 1903); Lot 10% smaller (2,880 vs 3,200 sqft)
    $1,220,000
  • 715 W Briar Pl 3fl, Chicago, IL 60657
    3,867 sqft | $326/sqft | built 1896 | Similar size (3,867 vs 3,924 sqft); Similar lot size (3,475 vs 3,200 sqft); Same quality (Average)
    $1,260,000
  • 714 W Briar Pl 1st, Chicago, IL 60657
    4,554 sqft | $281/sqft | built 1905 | Similar age (1905 vs 1903); Similar lot size (3,125 vs 3,200 sqft); Same quality (Average)
    $1,280,000

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: . 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

No change in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$1,183,800$00.0%
2025$1,183,800−$56,200−4.5%
2024$1,240,000+$240,000+24.0%
2023$1,000,000$00.0%
2022$1,000,000$00.0%
2021$1,000,000+$227,800+29.5%
2020$772,200——
6-year total+$411,600+53.3%