Manhattan · Financial District
Office buildings on William Street
12 large office buildings on William Street in Manhattan, from 1 William Street to 157-163 William Street, with about 6.3 million square feet of office space. In address order, with each building's size, age, last sale and nearest subway from the city's own records.
- Buildings
- 12
- Office space
- 6.3M SF
- Median year built
- 1929
- Tallest
- 110 William Street, 31 floors
No space on William Street is listed on Leasemark yet. Own or broker space here? List it free and it is matched against every active requirement the day it goes up, or import a spreadsheet of up to 50 spaces at once.
NYC tax lot records
Every large building on William Street, in address order
From 1 William Street to 157-163 William Street. 7 corner or through-block buildings have a main address on another street and are listed at their William Street address.
- J. & W. Seligman & Company Building1 William Street
- 25-29 William StreetMain address: 40 Exchange Place
- 79-83 William StreetMain address: 19 Liberty Street
- 85-105 William StreetMain address: 59 Maiden Lane
- 150 William StreetMain address: 81 Fulton Street
- 157-163 William StreetMain address: 161 William
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-09-27, with other addresses on each lot from the city's Property Address Directory and sales from ACRIS. Buildings with at least 100,000 square feet of commercial space in the neighborhoods Leasemark covers; floor areas are the city's estimates for whole buildings, not available space.
Largest and oldest on William Street
Largest by office space
Buildings with their main address on William Street.
By year built
Landmarks on William Street
NYC property records (ACRIS)
Building sales on William Street
One sale of the large buildings on William Street has been recorded since 2016, $70 million in all.
Source: NYC Department of Finance, ACRIS, Real Property Master, Legals and Parties, pulled 2026-09-29; prices as the deeds state them, buyers named only when they are companies. Condo buildings (sold unit by unit), partial interests and sales of the company that owns a building are left out.
NYC Department of Finance
Property tax on William Street
Estimated yearly tax per square foot of floor area across the 11 taxed large buildings on William Street, from the 2026/27 assessment roll: taxable value after exemptions times the Class 4 rate, before abatements.
Largest estimated bills
On William Street
- Median: $9.69 a square foot a year; middle half $9.04 to $10.59.
- Manhattan median across every tracked building: $14.56 a square foot.
- One building is fully exempt on the roll: 161 William.
MTA station data
Subway along William Street
The closest station to each building on the list, in the order the street reaches them. Walks are straight-line estimates.
- Broad St
- Wall St
- Fulton St
Source: Metropolitan Transportation Authority, MTA Subway Stations, pulled 2026-09-26.
Questions about William Street
How many office buildings are on William Street?
Leasemark tracks 12 large office buildings on William Street in Manhattan: 5 with their main address on William Street and 7 corner or through-block buildings with a William Street address as well. Together they hold about 6.3 million square feet of office space, from 1 William Street to 157-163 William Street in the Financial District. The list counts buildings with at least 100,000 square feet of commercial space in the neighborhoods Leasemark covers.
What is the largest office building on William Street?
The largest is 110 William Street, with 767,504 square feet of office space on 31 floors, built in 1956. Next come 123 William Street (487K SF) and 100 William Street (370K SF).
How old are the buildings on William Street?
The median office building on William Street was built in 1929. The oldest with its main address here is the J. & W. Seligman & Company Building at 1 William Street (1907) and the newest 100 William Street (1973). 6 date from 1900 to 1929, 3 date from 1930 to 1959 and 3 date from 1960 to 1989. 3 are designated New York City landmarks.
When did a building on William Street last sell?
The newest sale on record is 100 William Street, which sold in December 2025 for $70 million to WPJG LLC, per the deed recorded with the city. It is the only sale of the large buildings Leasemark tracks on William Street since 2016.
How much property tax do buildings on William Street pay?
The median estimated tax across the 11 taxed large buildings on William Street is about $9.69 a square foot of floor area a year on the Department of Finance's 2026/27 roll (middle half $9.04 to $10.59), against $14.56 across Manhattan. The largest estimated bill, about $22.5 million a year, is for One Chase Manhattan Plaza at 28 Liberty Street. One building is fully exempt. Estimates are before abatements, and tenants usually pay their share through the lease.
What subway lines are near William Street?
The closest stations to the large buildings on William Street, in the order the street reaches them, are Broad St (J Z), Wall St (2 3) and Fulton St (2 3 4 5 A C J Z). Together they serve the 2, 3, 4, 5, A, C, J and Z lines, per MTA station data.
Is there office space for lease on William Street?
No space on William Street is listed on Leasemark right now. Owners and brokers can list space here for free and it is matched against every active requirement the day it goes up; tenants can post a requirement to be matched when space opens up.