6 East 45th Street

6 East 45th Street has about 79,000 square feet of floor area in total, including 74,000 square feet of office and 5,000 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 1932 as the year built, with a major alteration recorded in 1987. The building is 19 floors tall.

City records list 6-8 East 45th Street on the same tax lot (BBL 1012790065) as 6 East 45th Street. A space listed on Leasemark at any of these addresses shows up on this page.

6 East 45th Street is in ZIP code 10017, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 6 East 45th Street, New York, NY 10017, in Grand Central.

The lot is in the C5-2.5 zoning district. PLUTO lists a built floor area ratio (FAR) of 15.79 and a maximum commercial FAR of 12 for this lot.

The closest subway station to 6 East 45th Street is Grand Central-42 St (the 4, 5, 6, 7 and S trains), about 800 feet away in a straight line, roughly 3 minutes on foot. The MTA lists it as an accessible station. Also nearby: 5 Av (the 7, B, D, F and M trains, connected to 42 St-Bryant Pk), 4 min walk; 47-50 Sts-Rockefeller Ctr (the B, D, F and M trains), 6 min walk. Walking times are straight-line estimates; the street route is longer.

The NYC Department of Finance's 2026/27 assessment roll lists 6 E 45 LLC as the owner of record of 6 East 45th Street (BBL 1012790065). 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.

6 East 45th Street last sold in September 2023 for $26.8 million, according to the deed recorded with the city. SILK AND HALPERN - 45TH REALTY ASSOCIATES sold it to 6 E 45 LLC. That comes to about $338 per square foot of floor area. The deed is ACRIS document 2023091200628001 (BBL 1012790065) 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.

6 East 45th Street reported an ENERGY STAR score of 98 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 98 earns an A. 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 19.2 kBtu per square foot, less than half the national median of 65.1 for a similar property. Its greenhouse gas emissions were about 173 metric tons of CO2e (2.19 kg per square foot).

In the 12 months to September 2026, the Department of Buildings issued first permits for 1 job at 6 East 45th Street. In the last two years, interior work was permitted on 3 floors (floors 2, 13 and 15). The newest build-out, on floors 2, 13 and 15, was first permitted in July 2026 (mechanical; filed cost estimate $35,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1012790065. 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 $6.44 million for 6 East 45th Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $698,733 a year, roughly $8.81 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1012790065 show the actual bill.

For tax year 2026/27, the NYC Department of Finance puts the market value of 6 East 45th Street at $17.1 million ($3.65 million of it land) and its assessed value at $7.71 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 29% from 2022/23 ($13.2 million) to 2026/27.

No space at 6 East 45th 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.