Office condominium · Financial District, Manhattan
161 William
New York, NY 10038
161 William is a 22-floor office condominium in the Financial District, Manhattan, built in 1951, with about 149,000 square feet of office space according to city records.
Also at 61-69 Ann Street and 157-163 William Street.
- Office space
- 149K SF
- Floors
- 22
- Year built
- 1951
- Zoning
- C6-4
The 88th largest of the 106 office buildings we track in the Financial District. Compare it with 6 neighbors
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Compared with its neighbors
How 161 William compares
Next to the 6 nearest large office buildings, all within a 2 minute walk, 161 William ranks 5th of 7 by office floor area. It went up in 1951; the median neighbor dates from 1919. Its property tax is fully exempt on the city's assessment roll.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 161 William | 149K SF | 22 | 1951 | Exempt | n/a |
| 156 William Street | 155K SF | 12 | 1955 | $11.04 | n/a |
| 116 Nassau Street | 94K SF | 12 | 1910 | $7.31 | n/a |
| 81 Fulton Street | 445K SF | 20 | 1927 | $7.86 | n/a |
| 123 William Street | 487K SF | 26 | 1912 | $9.53 | Mar 2015, $253M |
| Bennett Building, 99 Nassau Street | 78K SF | 10 | 1873 | $7.60 | n/a |
| 110 William Street | 768K SF | 31 | 1956 | $15.80 | May 2014, $261M |
Sources: NYC Department of City Planning, PLUTO 26v2 for size, floors and year built; NYC Department of Finance 2026/27 roll for tax (taxable value times the class rate, before abatements, over the whole floor area); ACRIS for the last deed that moved the whole lot for a real price (a price for several lots is their combined price; condominiums sell by the unit and show n/a). Large means at least 35,000 SF of the building's main use. Walking times are straight-line estimates.
NYC tax lot records
Building facts
- Other addresses
- 61-69 Ann Street; 157-163 William Street
- ZIP code
- 10038
- Building type
- Office condominium (city class RB)
- Total floor area
- 149,125 SF
- Commercial floor area
- 149,125 SF
- Office
- 149,125 SF
- Height
- 22 floors
- Average floor
- About 6,800 SF (floor area divided by floors)
- Year built
- 1951
- Last major alteration
- 2009
- Lot area
- 10,586 SF
- Zoning district
- C6-4
- Built FAR
- 14.09
- Max commercial FAR
- 10
- Tax lot (BBL)
- 1000927502
Nearest subway
- Fulton St
- City Hall
- Brooklyn Bridge-City Hall
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-16; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-16. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates. How we build these pages. Something wrong on this page? Tell us.
NYC Department of Finance records
Owner, property tax and assessed value
161 William is a condominium of 22 tax lots. 161 WILLIAM LESSEE LLC, one of 2 owners of record on the roll, owns the units that make up 80% of its market value. For tax year 2026/27 the city values 161 William at $63.6 million and assesses it at $28.6 million. Exemptions on the roll cover the whole taxable value, which is common for government, nonprofit and payment-in-lieu-of-taxes properties.
- Largest unit owner
- 161 WILLIAM LESSEE LLC (80% of market value)
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $63,628,600
- Land market value
- $12,000,000
- Assessed value
- $28,632,870
- Exemptions
- $28,632,870
- Estimated yearly tax
- Fully exempt on the roll
- Condominium tax lots
- 22
- Owners of record
- 2
City market value by tax year
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How to find who owns any NYC buildingSource: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll, summed over 22 condominium tax lots; owner names as the roll records them, which cuts some long names short), pulled 2026-10-16. Exempt properties can still owe charges or payments in lieu of taxes that the roll does not show.
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NYC energy benchmarking (Local Law 84)
Energy use and emissions
161 William's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (no single use that ENERGY STAR scores covers more than half of the floor area), 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 54.9 kBtu per square foot, 34% below the national median of 83.2 for a similar property. Its greenhouse gas emissions were about 1,006 metric tons of CO2e (5.27 kg per square foot).
- ENERGY STAR score (2024)
- None given
- Property type (Portfolio Manager)
- College/University
- Site energy use intensity
- 54.9 kBtu/SF
- National median for the type
- 83.2 kBtu/SF
- Greenhouse gas emissions
- 1,006 t CO2e
- Emissions per SF
- 5.27 kg CO2e
- Floor area in the filing
- 190,970 SF
Energy sources in 2024
Source: NYC Department of Buildings and Mayor's Office of Climate and Environmental Justice, NYC Building Energy and Water Data Disclosure for Local Law 84 (2024 filing), pulled 2026-10-16; grade cutoffs from the Department of Buildings energy grades page. Figures are as the owner filed them in ENERGY STAR Portfolio Manager.
NYC Department of Buildings permits
Work permits and build-outs
The Department of Buildings issued no permits for new jobs at 161 William in the 12 months to October 2026; the last one was first permitted in June 2023.
- New jobs, last 12 months
- 0
- Initial permits, last 12 months
- 0
- Newest job first permitted
- June 2023
- Interior build-outs, last 24 months
- 0
New jobs by year
Build-outs across the Financial DistrictWhere NYC offices are being built out
Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-24 (permits issued through 2026-10-22). A job counts once, when its first permit is issued; renewals are not new work. A build-out groups jobs on the same floors first permitted within 120 days of each other. Costs are the estimates filed with the jobs. Jobs filed before DOB NOW (in the older BIS system) are not counted. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
No office space listed in the Financial District yet
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Before you sign
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Questions about 161 William
How big is 161 William?
161 William has about 149,000 square feet of floor area in total, including 149,000 square feet of office, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 161 William built?
City records list 1951 as the year built, with a major alteration recorded in 2009. The building is 22 floors tall.
What other addresses does 161 William have?
City records list 61-69 Ann Street and 157-163 William Street on the same tax lot (BBL 1000927502) as 161 William. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 161 William?
161 William is in ZIP code 10038, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 161 William, New York, NY 10038, in the Financial District.
What is the zoning at 161 William?
The lot is in the C6-4 zoning district. PLUTO lists a built floor area ratio (FAR) of 14.09 and a maximum commercial FAR of 10 for this lot.
What subway station is closest to 161 William?
The closest subway station to 161 William is Fulton St (the 2, 3, 4, 5, A, C, J and Z trains), about 300 feet away in a straight line, roughly 1 minute on foot. The MTA lists it as an accessible station. Also nearby: City Hall (the R and W trains), 4 min walk; Brooklyn Bridge-City Hall (the 4, 5, 6, J and Z trains, connected to Chambers St), 5 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 161 William?
161 William is a condominium of 22 tax lots. 161 WILLIAM LESSEE LLC, one of 2 owners of record on the roll, owns the units that make up 80% of its market value. That is from the NYC Department of Finance's 2026/27 assessment roll (BBL 1000927502). Deeds and mortgages for each unit are public in ACRIS, the city's property records system.
Does 161 William have an energy grade?
161 William's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (no single use that ENERGY STAR scores covers more than half of the floor area), 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 54.9 kBtu per square foot, 34% below the national median of 83.2 for a similar property. Its greenhouse gas emissions were about 1,006 metric tons of CO2e (5.27 kg per square foot).
Is there construction at 161 William?
The Department of Buildings issued no permits for new jobs at 161 William in the 12 months to October 2026; the last one was first permitted in June 2023. These are the Department of Buildings' DOB NOW work permits for tax lot 1000927502. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
What are the property taxes at 161 William?
The Department of Finance's 2026/27 assessment roll lists exemptions covering the whole taxable value of 161 William (the sum of its 22 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 1000927502 show what is actually billed.
What is the assessed value of 161 William?
For tax year 2026/27, the NYC Department of Finance puts the market value of 161 William at $63.6 million ($12 million of it land) and its assessed value at $28.6 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 32% from 2022/23 ($48.1 million) to 2026/27.
Is there office space for lease at 161 William?
No space at 161 William 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.
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