527 Madison Avenue

527 Madison Avenue has about 198,000 square feet of floor area in total, including 183,000 square feet of office, 8,000 square feet of retail and 0 square feet of industrial and storage space, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.

City records list 1985 as the year built. The building is 25 floors tall.

City records list 40-54 East 54th Street and 527-531 Madison Avenue on the same tax lot (BBL 1012890052) as 527 Madison Avenue. A space listed on Leasemark at any of these addresses shows up on this page.

527 Madison Avenue is in ZIP code 10022, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 527 Madison Avenue, New York, NY 10022, in Midtown.

The lot is in the C5-3 zoning district. PLUTO lists a built floor area ratio (FAR) of 16.99 and a maximum commercial FAR of 15 for this lot.

The closest subway station to 527 Madison Avenue is 5 Av/53 St (the E and F trains), about 450 feet away in a straight line, roughly 2 minutes on foot. Also nearby: 51 St (the 6, E and F trains, connected to Lexington Av/53 St), 4 min walk; 5 Av/59 St (the N, R and W trains), 7 min walk. Walking times are straight-line estimates; the street route is longer.

The NYC Department of Finance's 2026/27 assessment roll lists MFA 527 MADISON LLC as the owner of record of 527 Madison Avenue (BBL 1012890052). 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 527 Madison Avenue. 4 investment managers and funds file 13F holdings reports from the address, including AWM Investment Company, Inc.; CAPITAL COUNSEL LLC; and Long Pond Capital, LP. 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.

527 Madison Avenue last sold in September 2008 for $225 million, according to the deed recorded with the city. 527 MADISON OWNER, LLC sold it to MFA 527 MADISON LLC. That comes to about $1,137 per square foot of floor area. The deed is ACRIS document 2008091900536002 (BBL 1012890052) 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.

527 Madison Avenue reported an ENERGY STAR score of 78 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 78 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, 35% below the national median of 79.1 for a similar property. Its greenhouse gas emissions were about 1,206 metric tons of CO2e (5.97 kg per square foot).

In the 12 months to October 2026, the Department of Buildings issued first permits for 7 jobs at 527 Madison Avenue. In the last two years, interior work was permitted on 4 floors (floors 1, 8, 24 and 26, the cellar and the ground floor). The newest build-out, on floor 26, was first permitted in July 2026 (construction, mechanical, plumbing, sprinklers; filed cost estimate $284,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1012890052. 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 $48.8 million for 527 Madison Avenue. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $5.29 million a year, roughly $26.75 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1012890052 show the actual bill.

For tax year 2026/27, the NYC Department of Finance puts the market value of 527 Madison Avenue at $108.5 million ($24.3 million of it land) and its assessed value at $48.8 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 1% from 2022/23 ($107.2 million) to 2026/27.

Owners registered one storefront at 527 Madison Avenue for December 31, 2025, 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 527 Madison Avenue is listed on Leasemark right now. Nearby on Leasemark: office space for lease at 783 Madison 4th Floor in the Upper East Side (994 SF, $66.40/SF/yr). Owners and brokers can list space here for free, and tenants can post a requirement to be matched when space opens up.