2109 B'WAY

🏢 Building Snapshot

Address

2109 B'WAY, New York, NY, USA

Borough

Manhattan

Neighborhood

Upper West Side

BBL

1-01165-7503

Property Type

Condominium (RM)

Building Class

RM

Year Built

1904

Floors

—

Buildings on Lot

1

Residential Units

385

Total Units

387

Gross Sq Ft

435,775

Lot Area (sq ft)

44,375

Zoning

R8B

Owner of Record

The Ansonia Condominium

Property Management

Sirius LLC

💰 Financial Snapshot

Fiscal Year

2026/27 Final

Market Value

—

Taxable Assessed Value

—

Taxable Billable Assessed Value

—

Assessed Value Exemptions

—

Tax Class

—

Assessed Value (used)

—

📋 Compliance Snapshot

• Local Law 97 — Carbon Emissions

  435,775 sq ft — verify compliance at nyc.gov
  Likely Subject
• LL84 / LL133 — Energy Benchmarking

  435,775 sq ft — annual filing required
  Required Annually
• LL87 — Energy Audit & Retro Commissioning

  10-year cycle — block ending in 5
  Due Dec 31, 2035
• LL33 — Energy Efficiency Grade

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

  0 stories (threshold: 6+)
  Not Required
• Individual Landmark

  LPC individual landmark designation
  INDIVIDUAL LANDMARK