30 West 21st Street

30 West 21st Street has about 61,000 square feet of floor area in total, including 58,000 square feet of office and 3,000 square feet of retail, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.

The Landmarks Preservation Commission's building records date 30 West 21st Street to 1907, designed by Buchman & Fox. The building is 15 floors tall.

Buchman & Fox, according to the Landmarks Preservation Commission's building records, which list the style as neo-Renaissance and its original use as store and lofts.

30 West 21st Street is in ZIP code 10010, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 30 West 21st Street, New York, NY 10010, in Flatiron.

The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 13.17 and a maximum commercial FAR of 10 for this lot. It is inside the Ladies' Mile Historic District, so exterior changes go through the Landmarks Preservation Commission.

The closest subway station to 30 West 21st Street is 23 St (the F and M trains), about 750 feet away in a straight line, roughly 3 minutes on foot. Also nearby: 23 St (the R and W trains), 3 min walk; 14 St (the 1, 2, 3, F, M and L trains, connected to 6 Av), 5 min walk. Walking times are straight-line estimates; the street route is longer.

The NYC Department of Finance's 2026/27 assessment roll lists FLATIRON 30 LLC as the owner of record of 30 West 21st Street (BBL 1008220058). 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.

30 West 21st Street last sold in June 2013 for $38.5 million, according to the deed recorded with the city. 30 WEST 21 ST, LLC sold it to FLATIRON 30 LLC. The deed is ACRIS document 2013062601811001 (BBL 1008220058) in the city's property records. A sale of the company that owns a building is not recorded as a deed, so it would not show there.

30 West 21st Street reported an ENERGY STAR score of 84 for calendar year 2024 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 84 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 44.2 kBtu per square foot, 44% below the national median of 78.3 for a similar property. Its greenhouse gas emissions were about 270 metric tons of CO2e (4.44 kg per square foot).

The Department of Buildings issued no permits for new jobs at 30 West 21st Street in the 12 months to September 2026; the last one was first permitted in December 2023. These are the Department of Buildings' DOB NOW work permits for tax lot 1008220058. 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 a taxable value of $4.48 million for 30 West 21st Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $485,856 a year, roughly $7.99 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1008220058 show the actual bill.

For tax year 2026/27, the NYC Department of Finance puts the market value of 30 West 21st Street at $10.5 million ($3.75 million of it land) and its assessed value at $4.73 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 1% from 2022/23 ($10.4 million) to 2026/27.

Owners registered one storefront at 30 West 21st Street for December 31, 2024, the newest annual filing the city has published, and it was not 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 30 West 21st Street 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.