425 WEST END AVENUE

🏢 Building Snapshot

Address

425 WEST END AVENUE, New York, NY, USA

Borough

Manhattan

Neighborhood

Upper West Side

BBL

1-01244-0044

Property Type

Cooperative (Co-op) (D4)

Building Class

D4

Year Built

1900

Floors

7

Buildings on Lot

1

Residential Units

30

Total Units

30

Gross Sq Ft

45,774

Lot Area (sq ft)

5,721

Zoning

R10A

Owner of Record

425 West End Avenue Corp.

Property Management

Ebmg LLC

💰 Financial Snapshot

Fiscal Year

2026/27 Final

Market Value

$9,211,000

Taxable Assessed Value

$3,672,240

Taxable Billable Assessed Value

$3,656,830

Assessed Value Exemptions

$15,410

Tax Class

—

Assessed Value (used)

$3,656,830

📋 Compliance Snapshot

• Local Law 97 — Carbon Emissions

  45,774 sq ft — verify compliance at nyc.gov
  Likely Subject
• LL84 / LL133 — Energy Benchmarking

  45,774 sq ft — annual filing required
  Required Annually
• LL87 — Energy Audit & Retro Commissioning

  < 50,000 sq ft
  Not Required
• LL33 — Energy Efficiency Grade

  Some buildings are exempt — check grade at nyc.gov/buildings
  Subject — Verify Grade
• LL11 / FISP — Façade Inspection

  7-story building — Sub-cycle 1 — Verify at nyc.gov/buildings
  Due Dec 31, 2030
• Historic District

  LPC jurisdiction — alterations require approval
  Riverside-West End Historic District Extension I

💸 Pied-a-Terre Surcharge Estimate

Illustrative estimate based on average unit assessed value.

Avg Unit Assessed Value

$121,894

Annual Surcharge

$0

Effective Rate

0.00%

Below $1M threshold