50 Hudson Yards

50 Hudson Yards has about 2.5 million square feet of floor area in total, including 2.5 million square feet of office and 19,000 square feet of retail, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.

City records list 2019 as the year built. The building is 58 floors tall.

50 Hudson Yards is at 427 Tenth Avenue in Hudson Yards, Manhattan. City records list 10-20 Hudson Boulevard East, 50 Hudson Yards, 413-427 Tenth Avenue, 501-523 West 33rd Street and 500-520 West 34th Street on the same tax lot (BBL 1007050039). A space listed on Leasemark at any of these addresses shows up on this page.

427 Tenth Avenue is in ZIP code 10001, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. 50 Hudson Yards is at 427 Tenth Avenue, New York, NY 10001, in Hudson Yards.

The lot is in the C6-4 zoning district. PLUTO lists a built floor area ratio (FAR) of 36.48 and a maximum commercial FAR of 10 for this lot.

The closest subway station to 50 Hudson Yards is 34 St-Hudson Yards (the 7 train), about 700 feet away in a straight line, roughly 3 minutes on foot. The MTA lists it as an accessible station. Also nearby: 34 St-Penn Station (the A, C and E trains), 8 min walk; 34 St-Penn Station (the 1, 2 and 3 trains), 11 min walk. Walking times are straight-line estimates; the street route is longer.

The NYC Department of Finance's 2026/27 assessment roll lists 50 HYMC OWNER LLC as the owner of record of 50 Hudson Yards (BBL 1007050039). Big buildings are usually held through a company set up for that one property, so the name on the roll can differ from the landlord's brand or the managing agent. Deeds and mortgages for the lot are public in ACRIS, the city's property records system.

Leasemark does not have the building's tenant roster, but SEC filings name companies with offices at 50 Hudson Yards. 3 public companies report the address as their principal executive office: BLACKROCK, INC. (BLK); BLACKROCK MONTICELLO DEBT REAL ESTATE INVESTMENT TRUST; and BLACKROCK PRIVATE CREDIT FUND. 4 investment managers and funds file 13F holdings reports from the address, including Cinctive Capital Management LP, Diameter Capital Partners LP and XTX EXECUTION SERVICES LLC. Private companies do not file with the SEC, so the full list of tenants is longer, and a company can also report a building it owns.

50 Hudson Yards reported an ENERGY STAR score of 76 for calendar year 2023 in its Local Law 84 benchmarking filing. Under Local Law 33, as amended by Local Law 95 of 2019, a score of 85 or higher earns an A, 70 to 84 a B, 55 to 69 a C and under 55 a D, so 76 earns a B. The Department of Buildings assigns the grade a building posts, so the posted label can differ if a filing was corrected. Its site energy use came to 51.8 kBtu per square foot, 32% below the national median of 76.3 for a similar property. Its greenhouse gas emissions were about 14,275 metric tons of CO2e (4.8 kg per square foot).

In the 12 months to October 2026, the Department of Buildings issued first permits for 40 jobs at 50 Hudson Yards. In the last two years, interior work was permitted on 31 floors (floors 1, 9, 11, 14, 15, 18, 21 to 28, 30, 31, 33, 34, 40 to 44, 46, 47, 49 and 51 to 55 and the sub-cellar). The newest build-out, on floor 47, was first permitted in August 2026 (construction, mechanical; filed cost estimate $375,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1007050039. A permit is approval to do the work; it does not say who the work is for or whether it is finished.

The Department of Finance's 2026/27 assessment roll lists exemptions covering the whole taxable value of 50 Hudson Yards, so there is no property tax on the roll to estimate. That is common for government, nonprofit and payment-in-lieu-of-taxes (PILOT) properties. The city's property tax records for BBL 1007050039 show what is actually billed.

For tax year 2026/27, the NYC Department of Finance puts the market value of 50 Hudson Yards at $1.6 billion ($48.4 million of it land) and its assessed value at $718.9 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 3201% from 2022/23 ($48.4 million) to 2026/27.

Owners registered 4 storefronts at 50 Hudson Yards for December 31, 2025, the newest annual filing the city has published, and none stood vacant that day. These are the owners' filings with the Department of Finance under Local Law 157, so a storefront may have come free since. Owners and brokers can list a storefront on Leasemark for free.

No space at 427 Tenth Avenue is listed on Leasemark right now. Owners and brokers can list space here for free, and tenants can post a requirement to be matched when space opens up.