Kings

Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 - Property report

Also known as: 98 S 4th St

Property image for Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249
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Property type

Elevator Apartment - Miscellaneous (D9)

Year built

1910

Lot sq. ft.

21,150

Sale price

$60,950,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Building name
Rocket Factory
Primary address
Rocket Factory - 100 South 4th Street
Alternate address(es)
100-102 S 4th St
100-116 S 4th St
104-114 S 4th St
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ZIP code
11249
Neighborhood
Williamsburg
Borough
Brooklyn
Block & lot
02443-0013

Owner

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Building
Property type
Elevator Apartment - Miscellaneous (D9)
Building sq. ft.
80,652
Building dimensions
120 ft x 83.5 ft
Buildings on lot
3
Stories
7
Year built
1910
Last altered
2003
Building material
Sales
Sale date
06/19/2019
Sale price
$60,950,000
Tax
Tax year
2026-2027
Property tax
$1,130,761
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
74
Residential sq. ft.
Commercial units
3
Retail sq. ft.
Lot
Lot dimensions
211.5 ft x 100 ft
Lot sq. ft.
21,150

Area overview

Walk score
98 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
97 /100.  Biker's Paradise
School district
14
Community district
1
Closest police station
1.06 Miles
Closest fire station
0.14 Miles

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for Rocket Factory - 100 South 4th Street, Brooklyn, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249

Sale date Sale price Buyer name Seller name
06/19/2019 $60,950,000 XXXX. X XXX XXXX XXXXXXXX XXX
08/07/2014 $52,000,000 XXXX XXXXXXXX XXX XXXXXXXX X XXXXXX, XXXXXXX XXX XXXXX XXXX XXXXX XXX
08/24/2006 $9,000,000 XXXXX XXXX XXXXX, XXX XXXXX XXXXXXX, XX XXXXXXXX XXX XXXXX XXXXXXX, XX XXXXXXXX XXX XXXXXXXXX XXXXXXX, XX XXXXXXXX

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
08/26/2022 - R Initial UCC1
(2022082200739003)		 XXX X XXX XX XXX XXXXXXXXXX XXXX X X
08/26/2022 - R
08/18/2022 - D		 Assignment of Leases and Rents
(2022082200739002)		 XXX X XXX XX XXX XXXXXXXXXX XXXX X X
08/26/2022 - R
08/18/2022 - D		 Mortgage
(2022082200739001)		 XXX X XXX XX XXX XXXXXXXXXX XXXX X X
06/20/2019 - R UCC3 Termination
(2019062001112002)		 XXXX XXXXXXXX XXX XXXXXXX XXXXXX XXXXXXXXXXX XXX XXX
06/20/2019 - R
06/19/2019 - D		 Release
(2019062001112001)		 XXXXXXX XXXXXX XXXXXXXXXXX XXX XXX XXXX XXXXXXXX XXX
06/24/2019 - R
06/19/2019 - D		 Deed
(2019062000879001)		 XXXX XXXXXXXX XXX XXXXX XXX
03/16/2018 - R UCC3 Termination
(2018031500878007)		 XXXX XXXXXXXX XXX XXXXXXXXXXXXX XXX XXXXXXX XXXXX XXXXXXX
03/16/2018 - R Initial UCC1
(2018031500878005)		 XXXX XXXXXXXX XXX XXXXXXX XXXXXX XXXXXXXXXXX XXX XXX
03/16/2018 - R
03/13/2018 - D		 Termination of Assign of L&R
(2018031500878006)		 XXXXXXXXXXXXX XXX XXXXXXX XXXXX XXXXXXX XXXX XXXXXXXX XXX
03/16/2018 - R
03/13/2018 - D		 Assignment of Leases and Rents
(2018031500878004)		 XXXX XXXXXXXX XXX XXXXXXX XXXXXX XXXXXXXXXXX XXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Rocket Factory - 100 South 4th Street, Brooklyn, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2025-2026
Property tax
$1,130,761
Municipal exemptions
Recent tax assessments
Market value
$21,716,000
Assessed value
$9,772,200

More about New York City Property Taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Taxable amount Tax rate Base tax Property tax Y-o-Y change
2025/26 $21,784,000 $9,802,800 $8,305,920 12.439% $1,033,173 $1,033,173 +8.18%
2024/25 $19,564,000 $8,803,800 $7,640,640 12.5% $955,080 $955,080 +8.00%
2023/24 $19,562,000 $8,802,900 $7,073,730 12.502% $884,358 $884,358 +14.96%
2022/23 $18,322,000 $8,244,900 $6,270,994 12.267% $769,263 $769,263 +13.58%
2021/22 $12,942,000 $5,823,900 $5,535,468 12.235% $677,265 $677,265 +12.43%
2020/21 $14,335,000 $6,450,750 $4,910,564 12.267% $602,379 $602,379 +18.31%
2019/20 $13,145,000 $5,915,250 $4,082,140 12.473% $509,165 $509,165 +21.43%
2018/19 $10,802,000 $4,860,900 $3,324,708 12.612% $419,312 $419,312 +21.60%
2017/18 $10,079,000 $4,535,550 $2,711,236 12.719% $344,842 $344,842 +33.96%
2016/17 $5,818,000 $2,618,100 $1,996,740 12.892% $257,420 $257,420 +18.65%
Permits

Permit information for Rocket Factory - 100 South 4th Street, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
04/23/2026 Alteration
04/14/2026 Alteration
09/26/2025 Alteration
08/20/2025 Alteration
04/04/2025 Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
11/25/2024 Fisphaz-hazardous condition (facade) facade required
05/02/2023 Bench-failure to benchmark none
12/01/2022 Egrade-failure to post energy grade/score none

*Most recent DOB violations on record for this property.

Neighborhood

Brooklyn commercial market stats

Review a detailed real estate market overview of Brooklyn and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Brooklyn and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$533

1.5% Y-o-Y

Q1 2026 median price/sq. ft.

$471

-8.9% Y-o-Y

2025 median price/sq. ft.

$523

5.2% Y-o-Y

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

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Havemeyer St & Broadway at NE Corner
Station lines
J-M-Z
Distance (miles)
0.344
View subway map

Access the detailed traffic volume map for Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Neighbors for Rocket Factory - 100 South 4th Street, Brooklyn, NY

374 Bedford Ave, Brooklyn 378 Bedford Ave, Brooklyn 330 Berry St, Brooklyn 94 S 4th St, Brooklyn 90 S 4th St, Brooklyn 345 Berry St, Brooklyn 120 S 4th St, Brooklyn 367 Bedford Ave, Brooklyn 96 S 4th St, Brooklyn 92 S 4th St, Brooklyn 333 Berry St, Brooklyn 376 Bedford Ave, Brooklyn 332 Berry St, Brooklyn 370 Bedford Ave, Brooklyn 109 S 5th St, Brooklyn 347 Berry St, Brooklyn 326 Berry St, Brooklyn

Frequently asked questions

What is the year built for Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249?

The development at Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 was built in 1910.

What is the total square footage of Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249?

Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 has a total of 80,652 square feet.

When was Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 last sold and what was the sale price?

Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 was last sold on 06/19/2019 for $60,950,000.

What is the assessed value of Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249?

Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 is currently assessed at $9,772,200.

What are the property taxes for Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249?

The property taxes for Rocket Factory - 100 South 4th Street, Brooklyn, NY 11249 total $1,130,761.

How many residential units does this building have?

This building has 74 residential unit(s).

Disclaimer

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Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.

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