424 Madison Avenue

424 Madison Avenue has about 62,000 square feet of floor area in total, including 60,000 square feet of office and 2,000 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 1926 as the year built, with a major alteration recorded in 1999. The building is 15 floors tall.

City records list 24-30 East 49th Street and 424-426 Madison Avenue on the same tax lot (BBL 1012840056) as 424 Madison Avenue. A space listed on Leasemark at any of these addresses shows up on this page.

424 Madison Avenue 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 424 Madison Avenue, New York, NY 10017, in Midtown.

The lot is in the C5-3 zoning district. PLUTO lists a built floor area ratio (FAR) of 14.23 and a maximum commercial FAR of 15 for this lot.

The closest subway station to 424 Madison Avenue is 5 Av/53 St (the E and F trains), about 0.2 miles away in a straight line, roughly 4 minutes on foot. Also nearby: 51 St (the 6, E and F trains, connected to Lexington Av/53 St), 5 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 BLDG 424 SADDLEBACK LLC as the owner of record of 424 Madison Avenue (BBL 1012840056). 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.

424 Madison Avenue last sold in November 2006 for $31 million, according to the deed recorded with the city. MATMAR, LLC sold it to BLDG 424 OLIVE LLC, BLDG 424 SADDLEBACK LLC and others. That comes to about $498 per square foot of floor area. The deed is ACRIS document 2006112101284001 (BBL 1012840056) 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.

424 Madison Avenue reported an ENERGY STAR score of 67 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 67 earns a C. 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 64.4 kBtu per square foot, 21% below the national median of 81.6 for a similar property. Its greenhouse gas emissions were about 145 metric tons of CO2e (2.1 kg per square foot).

In the 12 months to September 2026, the Department of Buildings issued first permits for 4 jobs at 424 Madison Avenue. In the last two years, interior work was permitted on 6 floors (floors 1, 2, 4, 6, 8 and 12). The newest build-out, on floor 4, was first permitted in July 2026 (construction, mechanical, plumbing, sprinklers; filed cost estimate $320,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1012840056. 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 $8.35 million for 424 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 $906,171 a year, roughly $14.56 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1012840056 show the actual bill.

For tax year 2026/27, the NYC Department of Finance puts the market value of 424 Madison Avenue at $18.6 million ($4.21 million of it land) and its assessed value at $8.35 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 24% from 2022/23 ($24.6 million) to 2026/27.

Owners registered one storefront at 424 Madison Avenue for December 31, 2024, the newest annual filing the city has published, and it was not vacant that day. A year earlier, 1 of 1 stood vacant. 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 424 Madison 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.