| Building name | One William Street |
| Primary address | One William Street - 1 William Street |
| Secondary address | 63-67 Stone St |
| Neighborhood | Financial District |
| Zip code | 10004 |
| Borough | Manhattan |
| Block & lot | 00029-0036 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Tax class | Register |
| Estimated property tax | $951,736 |
| Lot sqft | 8,409 |
| Lot dimensions | |
| Building class | Office Only 7-19 Stories (O3)
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| Building sqft | 105,000 |
| Building dimensions |
| Buildings on lot | 1 |
| Stories | 12 |
| Year built | 1907 |
| Year last altered | 1983 |
| Construction type | Register |
| School district | 2 |
| Community district | 1 |
| Closest police station | 1.00 Miles |
| Closest fire station | 0.11 Miles |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
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You will find all alternate addresses for the property in this section.
This Office Only 7-19 Stories (O3) located at One William Street - 1 William Street, New York, NY 10004 has a total of 105,000 square feet.
What is the year built & the current market value of One William Street - 1 William Street, New York, NY 10004?One William Street - 1 William Street, New York, NY 10004 was built in 1907 and has a current tax assessor's market value of $21,542,000.
How many commercial spaces does this building have?This building has 4 commercial spaces available for lease.
View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.
Create a free account to view the complete sales history for 1 William Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for One William Street - One William Street - 1 William Street, New York, NY 10004. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $921,060 |
| Estimated property tax: | $951,736 |
| Tax assessor's market value: | $21,542,000 |
| Assessed value: | $9,693,900 |
Here's the assessment & property tax history for 1 William Street, New York, including the evolution of the total tax rate and corresponding property tax.
| Year | Market value | Assessed value | Taxable | Tax rate % | Base tax | Property tax | Year over year change |
|---|---|---|---|---|---|---|---|
| 2025/26 | $21,542,000 | $9,693,900 | $8,490,600 | 10.848% | $921,060 | $921,060 | +1.32% |
| 2024/25 | $20,388,000 | $9,174,600 | $8,446,950 | 10.762% | $909,061 | $909,061 | +1.55% |
| 2023/24 | $19,993,000 | $8,996,850 | $8,451,430 | 10.592% | $895,175 | $895,175 | +7.93% |
| 2022/23 | $17,313,000 | $7,790,850 | $7,790,850 | 10.646% | $829,414 | $829,414 | +13.46% |
| 2021/22 | $15,104,000 | $6,796,800 | $6,796,800 | 10.755% | $730,996 | $730,996 | -18.36% |
The complete history of permits filed for 1 William Street, New York, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Access a detailed real estate market overview of Manhattan so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Manhattan and compare it to other boroughs in New York City.
Check out recently sold homes in Manhattan and see how their prices compare.
| FEMA flood zone(s): | 0.2,X (See more on map) |
| Hurricane evacuation zone: | 2 (See more on map) |
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Distance to Subway
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| Closest station | Broad St & Exchange Pl at SE Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | J-Z | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.102 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | Water St/Hanover Sq | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | M15 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.069 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Here are the neighbors for One William Street - One William Street - 1 William Street, New York, NY 10004.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 81 Pearl St, New York | 7,540 | 11/25/1992 | |
| 55 Stone St, New York | 6,008 | 03/25/2026 | $10,250,000 |
| 83 Pearl St, New York | 8,660 | 09/29/1999 | |
| 79 Pearl St, New York | 7,875 | 01/24/2003 | $1,775,000 |
| 11 Hanover Sq, New York | 95,325 | 08/29/1994 | |
| 3 Hanover Sq, New York | 239,121 | 10/17/1996 | |
| 9 S William St, New York | 24,238 | 08/24/1988 | |
| 19 S William St, New York | 10,944 | 10/27/1977 | |
| 13 S William St, New York | 3,469 | 09/07/2001 | |
| 74 Pearl St, New York | 8,115 | 01/26/2015 | $10,000,000 |
| 52 Stone St, New York | 7,336 | 09/15/2021 | $6,250,000 |
| 14 S William St, New York | 87,775 | 12/04/2015 | |
| 56 Beaver St, New York | 65,396 | ||
| 53 Stone St, New York | 8,690 | 03/25/2026 | $10,250,000 |
| 58 Stone St, New York | 13,058 | 07/31/2006 | |
| 77 Pearl St, New York | 7,246 | ||
| 80 Beaver St, New York | 7,252 | 12/04/1997 | |
| 44 Beaver St, New York | 97,596 | 05/25/1978 | |
| 1 Hanover Sq, New York | 35,560 |
