100 South 9th Street, Brooklyn, NY 11249 Property Information

100 South 9th Street, Brooklyn, NY 11249 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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100 South 9th Street, Brooklyn, NY 11249 2
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Address

Primary address 100 South 9th Street
Secondary address 89-91 S 10th St
Neighborhood Williamsburg
Zip code 11249
Borough Brooklyn
Block & lot 02146-0015

Sales & Tax Overview for 100 South 9th Street, Brooklyn

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

Purchase date 07/25/2022
Purchase price $14,100,000
Tax class
Estimated property tax $566,975

Lot & Building Information for 100 South 9th Street, Brooklyn

Lot sq. ft. 10,000
Lot dimensions 100 ft x 100 ft
Property type Elevator Apartment - Semi-Fireproof with Stores (D7)
Building sqft 51,415
Building dimensions 75 ft x 75 ft
Buildings on lot 1
Stories 1
Year built 1920
Year last altered 2023
Status
Status date
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Zoning & Use for 100 South 9th Street, Brooklyn

Zoning
Qualified opportunity zone
Residential units (DOF) 48
Commercial units 2
Residential sqft
Office sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 14
Community district 1
Closest police station 1.11 Miles
Closest fire station 0.35 Miles

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

Other Property Data for 100 South 9th Street, Brooklyn

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Floor area ratio (FAR) for 100 South 9th Street, Brooklyn, NY 11249, 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 100 South 9th Street, Brooklyn, NY 11249, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 89-91 S 10th St, Brooklyn, NY 11249
  • 100-104 S 9th St, Brooklyn, NY 11249

About 100 South 9th Street, Brooklyn

How many sq. ft. does 100 South 9th Street, Brooklyn, NY 11249 have & what is the price per sq. ft?

This Elevator Apartment - Semi-Fireproof with Stores (D7) located at 100 South 9th Street, Brooklyn, NY 11249 has a total of 51,415 square feet and a current price per square foot of $274.

What is the year built & the current market value of 100 South 9th Street, Brooklyn, NY 11249?

100 South 9th Street, Brooklyn, NY 11249 was built in 1920 and has a current tax assessor's market value of $734,000.

How many commercial spaces does this building have?

This building has 2 commercial spaces available for lease.

Ownership Information for 100 South 9th Street, Brooklyn

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Property owner name for 100 South 9th Street, Brooklyn, NY 11249
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Building contacts for 100 South 9th Street, Brooklyn, NY 11249
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Jun 11, 2026 NYC Business Leaders on RTO: Survey Reveals Hybrid Still Dominates, Office Attendance Set to Rise
Huble’s recent survey of 126 founders, CEOs and other decision-makers in New York City’s startup ecosystem revealed how local business leaders are approaching workplace strategy in 2026 and beyond.
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
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Past Sales & Property History for 100 South 9th Street, Brooklyn

Create a free account to view the complete sales history for 100 South 9th Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
07/25/2022 $14,100,000

Title Documents for 100 South 9th Street, Brooklyn

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.

Date Type Amount Party 1 Party 2 Doc image
04/29/2026 - R
04/28/2026 - D
Sundry Miscellaneous
(2026042800655001)
04/12/2024 - R
04/11/2024 - D
Sundry Agreement
(2024041100791001)
03/21/2024 - R Initial UCC1
(2024031400934013)
03/21/2024 - R UCC3 Termination
(2024031400934004)
03/21/2024 - R
03/06/2024 - D
Assignment of Leases and Rents
(2024031400934012)
03/21/2024 - R
03/06/2024 - D
Mortgage
(2024031400934011)
03/21/2024 - R
03/06/2024 - D
Assignment of Leases and Rents
(2024031400934010)
03/21/2024 - R
03/06/2024 - D
Mortgage
(2024031400934009)
03/21/2024 - R
03/06/2024 - D
Assignment of Leases and Rents
(2024031400934008)
03/21/2024 - R
03/06/2024 - D
Agreement
(2024031400934007)
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R: Recorded date
D: Document date

Property Taxes for 100 South 9th Street, Brooklyn

Access detailed property tax data for 100 South 9th Street, Brooklyn, NY 11249. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $36,201
Estimated property tax: $566,975
Tax assessor's market value: $734,000
Assessed value: $330,300

Assessment History for 100 South 9th Street, Brooklyn

Here's the assessment & property tax history for 100 South 9th Street, Brooklyn, 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 $734,000 $330,300 $291,028 10.848% $31,571 $31,571 +2.49%
2024/25 $723,000 $325,350 $286,223 10.762% $30,803 $30,803 -42.88%
2023/24 $1,153,000 $518,850 $509,130 10.592% $53,927 $53,927 n/a
2022/23 $1,087,000 $489,150 $0 10.646% $52,075 $0 n/a
2021/22 $997,000 $448,650 $0 10.755% $48,252 $0 n/a

Permits for 100 South 9th Street, Brooklyn

The complete history of permits filed for 100 South 9th Street, Brooklyn, 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
07/21/2025 Alt-CO - new building with existing elements to remain
06/04/2025 Alteration
05/13/2025 Alteration
03/31/2025 Alteration
03/27/2025 Alt-CO - new building with existing elements to remain
10/15/2024 Alt-CO - new building with existing elements to remain
10/01/2024 Alteration
06/06/2024 Alteration
05/01/2024 Alteration
04/01/2024 Alteration
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Brooklyn Commercial Market Stats

Access a detailed real estate market overview of Brooklyn so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Brooklyn and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$444
-15% YoY
Median Price/Sqft Q4/2025
$523
9.6% YoY
Median Price/Sqft 2025
$523
5.9% YoY

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

Risk

FEMA flood zone(s): X (See more on map)

Transportation

Distance to Subway
Closest station Havemeyer St & Broadway at SE Corner
Station lines J-M-Z
Distance (miles) 0.318
View subway map

Neighbors for 100 South 9th Street, Brooklyn

Here are the neighbors for 100 South 9th Street, Brooklyn, NY 11249.

Address Square feet Purchase date Purchase price
95 S 10th St, Brooklyn 21,014 02/03/1995
83 S 10th St, Brooklyn 8,125 11/21/2007 $1,600,000
255 Havemeyer St, Brooklyn 328,315 01/13/1966
96 S 9th St, Brooklyn 3,375 10/17/2025 $6,100,000
300 Broadway, Brooklyn 2,100 03/14/1996
298 Broadway, Brooklyn 1,710 11/17/2004
98 S 9th St, Brooklyn 3,750 12/21/2023 $3,950,000
460 Bedford Ave, Brooklyn 13,466
449 Bedford Ave, Brooklyn 400
440 Berry St, Brooklyn 58,430 09/27/1995
296 Broadway, Brooklyn 1,995 10/16/2017 $1,500,000
142 S 9th St, Brooklyn 29,340 04/14/2005 $3,850,000
106 S 9th St, Brooklyn 5,940
85 S 10th St, Brooklyn 5,280 05/14/2020
310 Broadway, Brooklyn
93 S 10th St, Brooklyn 6,500 07/03/2007
87 S 10th St, Brooklyn 3,000 05/08/2007
81 S 10th St, Brooklyn 5,020 12/09/1999
437 Berry St, Brooklyn 01/09/1980
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