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9 South William Street, New York, NY 10004 Property Information

9 South William Street, New York, NY 10004 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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9 South William Street, New York, NY 10004 1
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Address

Primary address 9 South William Street
Secondary address 9 Mill Ln
Neighborhood Financial District
Zip code 10004
Borough Manhattan
Block & lot 00029-0043

Sales & Tax Overview for 9 South William Street, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Tax class
Estimated property tax $348,374

Lot & Building Information for 9 South William Street, New York

Lot sqft 3,234
Lot dimensions 42.83 ft x 76.5 ft
Building class Boutique 10-100 Rooms, with Luxury Facilities, Themed, Stylish, with Full Service Accommodations (HB)
Building sqft 24,238
Building dimensions 42 ft x 78 ft
Buildings on lot 1
Stories 7
Year built 1920
Construction type
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Zoning & Use for 9 South William Street, New York

Zoning
Commercial units 2
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 1
Closest police station 1.03 Miles
Closest fire station 0.11 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 9 South William Street, New York

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for 9 South William Street, New York, NY 10004, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for 9 South William Street, New York, NY 10004, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 9 Mill Ln, New York, NY 10004
  • 59-61 Stone St, New York, NY 10004
  • 9-11 S William St, New York, NY 10004

About 9 South William Street, New York

How many square feet does 9 South William Street, New York, NY 10004 have?

This Boutique 10-100 Rooms, with Luxury Facilities, Themed, Stylish, with Full Service Accommodations (HB) located at 9 South William Street, New York, NY 10004 has a total of 24,238 square feet.

What is the year built & the current market value of 9 South William Street, New York, NY 10004?

9 South William Street, New York, NY 10004 was built in 1920 and has a current tax assessor's market value of $7,872,000.

How many commercial spaces does this building have?

This building has 2 commercial spaces available for lease.

Ownership Information for 9 South William Street, New York

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Property owner name for 9 South William Street, New York, NY 10004
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Building contacts for 9 South William Street, New York, NY 10004
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 9 South William Street, New York

Create a free account to view the complete sales history for 9 South William Street, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

No recorded sales for this property.

Title Documents for 9 South William Street, New York

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Date Type Amount Party 1 Party 2 Doc image
09/24/2020 - D
10/01/2020 - R
Landmark Designation
(2020092400178001)
08/10/2011 - D
08/22/2011 - R
Landmark Designation
(2011081100988001)
12/04/2003 - D
06/22/2004 - R
Certificate
(2004020401750005)
06/15/2001 - R Sundry Agreement
(1560007705356)
02/09/1995 - R Satisfaction of Mortgage
(1050004593305)
11/17/1994 - R Assignment, Mortgage
(1680004495268)
11/29/1991 - R Agreement
(1450000386345)
09/09/1988 - R Uniform Commercial Code 1
(1200000500020)
09/06/1988 - R Mortgage
(1180000266118)
08/24/1988 - D
09/06/1988 - R
Deed
(1170000266117)
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R: Recorded date
D: Document date

Property Taxes for 9 South William Street, New York

Access detailed property tax data for 9 South 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: $334,720
Estimated property tax: $348,374
Tax assessor's market value: $7,872,000
Assessed value: $3,542,400

Assessment History for 9 South William Street, New York

Here's the assessment & property tax history for 9 South 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 $7,872,000 $3,542,400 $3,085,550 10.848% $334,720 $334,720 -0.03%
2024/25 $7,558,000 $3,401,100 $3,111,070 10.762% $334,813 $334,813 +5.38%
2023/24 $6,666,000 $2,999,700 $2,999,700 10.592% $317,728 $317,728 +4.56%
2022/23 $6,343,000 $2,854,350 $2,854,350 10.646% $303,874 $303,874 +1.29%
2021/22 $6,199,000 $2,789,550 $2,789,550 10.755% $300,016 $300,016 -30.48%

Permits for 9 South William Street, New York

The complete history of permits filed for 9 South 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.

Filing date Job type Job status Job description Initial cost
12/27/2023 Alteration
06/30/2023 Alteration
06/12/2023 Alteration
03/21/2023 Alteration
04/13/2022 Alteration
04/13/2022 Alteration
10/27/2020 Alteration type 2
07/13/2018 Alteration type 2
02/08/2018 Alteration type 2
05/04/2016 Alteration type 3
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Manhattan Commercial Market Stats

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.

Median Price/Sqft Q1/2026
$680
4.4% YoY
Median Price/Sqft Q4/2025
$550
-15.8% YoY
Median Price/Sqft 2025
$607
-2.5% YoY

Check out recently sold homes in Manhattan and see how their prices compare.

Risk

FEMA flood zone(s): 0.2,X (See more on map)
Hurricane evacuation zone: 1 (See more on map)

Transportation

Distance to Subway
Closest station Broad St & Exchange Pl at SW Corner (Exit Only)
Station lines J-Z
Distance (miles) 0.105
View subway map
Bus Routes
Name Water St/Hanover Sq
Line M15
Distance (miles) 0.064

Neighbors for 9 South William Street, New York

Here are the neighbors for 9 South 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
19 S William St, New York 10,944 10/27/1977
1 William St, New York 105,000 08/26/2008
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
76 Pearl St, New York 8,665 02/04/1999
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
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