Crystal Building

The Crystal Building has about 95,000 square feet of floor area in total, including 95,000 square feet of office, 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 the Crystal Building to 1910, designed by Schwartz & Gross. The building is 12 floors tall.

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

The Crystal Building is at 40 West 20th Street in Flatiron, Manhattan. City records list 40-46 West 20th Street on the same tax lot (BBL 1008217501). A space listed on Leasemark at any of these addresses shows up on this page.

40 West 20th Street is in ZIP code 10011, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The Crystal Building is at 40 West 20th Street, New York, NY 10011, in Flatiron.

The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 9.62 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 the Crystal Building is 23 St (the F and M trains), about 900 feet away in a straight line, roughly 3 minutes on foot. Also nearby: 14 St (the 1, 2, 3, F, M and L trains, connected to 6 Av), 4 min walk; 23 St (the R and W trains), 4 min walk. Walking times are straight-line estimates; the street route is longer.

The Crystal Building is a condominium of 3 tax lots. DORMITORY AUTH STATENY (the Dormitory Authority of the State of New York), one of 3 owners of record on the roll, owns the units that make up 50% of its market value. That is from the NYC Department of Finance's 2026/27 assessment roll (BBL 1008217501). Deeds and mortgages for each unit are public in ACRIS, the city's property records system.

The Crystal Building's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (too much of the floor area is classed as other uses), and Local Law 33 letter grades come from that score, so the filing does not yield an A to D grade. Its site energy use came to 53.8 kBtu per square foot, about the same as the national median of 53.8 for a similar property. Its greenhouse gas emissions were about 573 metric tons of CO2e (4.97 kg per square foot).

The Department of Buildings issued no permits for new jobs at the Crystal Building in the 12 months to September 2026; the last one was first permitted in May 2024. These are the Department of Buildings' DOB NOW work permits for tax lot 1008217501. 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 the Crystal Building (the sum of its 3 condominium tax lots), 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 1008217501 show what is actually billed.

For tax year 2026/27, the NYC Department of Finance puts the market value of the Crystal Building at $27.3 million ($4.98 million of it land) and its assessed value at $12.3 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 1% from 2022/23 ($27.6 million) to 2026/27.

Owners registered one storefront at the Crystal Building 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 40 West 20th 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.