New York City  »  11231  »  Union St  »  338 Union St

338 Union Street, Brooklyn, NY 11231 Property Information

Also known as: 305 Smith St, Brooklyn, NY 11231

338 Union Street, Brooklyn, NY 11231 Property Information

Also known as: 305 Smith St, Brooklyn, NY 11231

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

338 Union Street, Brooklyn, NY 11231 1
static Mapbox map

Address

Primary address 338 Union Street
Secondary address 305 Smith St
Neighborhood Carroll Gardens
Zip code 11231
Borough Brooklyn
Block & lot 00436-0010

Sales & Tax Overview for 338 Union Street, Brooklyn

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

Purchase date 11/08/2024
Purchase price $4,500,000
Tax class
Estimated property tax $31,340

Lot & Building Information for 338 Union Street, Brooklyn

Lot sqft 1,623
Lot dimensions 24.5 ft x 66.25 ft
Building class Single or Multiple Dwelling with Stores or Offices (S9) i
Building sqft 5,708
Building dimensions 24.5 ft x 50 ft
Buildings on lot 1
Stories 4
Year built 1931
Year last altered 1957
Construction type
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

Zoning & Use for 338 Union Street, Brooklyn

Zoning
Residential units (DOF) 5
Commercial units 2
Residential sqft
Retail sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 15
Community district 6
Closest police station 0.36 Miles
Closest fire station 0.61 Miles

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

Other Property Data for 338 Union Street, Brooklyn

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 338 Union Street, Brooklyn, NY 11231, 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 338 Union Street, Brooklyn, NY 11231, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 305 Smith St, Brooklyn, NY 11231

About 338 Union Street, Brooklyn

How many sq. ft. does 338 Union Street, Brooklyn, NY 11231 have & what is the price per sq. ft?

This Single or Multiple Dwelling with Stores or Offices (S9) located at 338 Union Street, Brooklyn, NY 11231 has a total of 5,708 square feet and a current price per square foot of $788.

What is the year built & the current market value of 338 Union Street, Brooklyn, NY 11231?

338 Union Street, Brooklyn, NY 11231 was built in 1931 and has a current tax assessor's market value of $3,457,000.

How many commercial spaces does this building have?

This building has 2 commercial spaces available for lease.

Ownership Information for 338 Union Street, Brooklyn

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.

Property owner name for 338 Union Street, Brooklyn, NY 11231
Find out who owns 338 Union Street, Brooklyn, NY 11231.
Sign Up
Building contacts for 338 Union Street, Brooklyn, NY 11231
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
Laura Pop-Badiu, Dec 11, 2025 How to Build Property Owner Lists: Steps, Pro Tips & What to Avoid
In this guide, we’ll walk you step by step through how to build property owner lists inside the PropertyShark platform, how to customize them for your goals and how to avoid common mistakes.
Laura Pop-Badiu, Sep 10, 2025 How to Find Comps for Commercial Real Estate: A Step-by-Step GuideĀ 
Explore the key features that professionals should look for when investing in a data provider for commercial real estate comps, follow our step-by-step guide on how to leverage PropertyShark to find comparables, and discover the most frequently asked questions on the topic.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 338 Union Street, Brooklyn

Create a free account to view the complete sales history for 338 Union Street, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
11/08/2024 $4,500,000

Title Documents for 338 Union 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
11/25/2024 - R Initial UCC1
(2024111500473005)
11/25/2024 - R Initial UCC1
(2024111500473004)
11/08/2024 - D
11/25/2024 - R
Assignment of Leases and Rents
(2024111500473003)
11/08/2024 - D
11/25/2024 - R
Mortgage
(2024111500473002)
11/08/2024 - D
11/25/2024 - R
Deed
(2024111500473001)
04/01/1998 - R Satisfaction of Mortgage
(3470006015247)
11/14/1988 - R Satisfaction of Mortgage
(3850001410485)
08/15/1988 - R Satisfaction of Mortgage
(3760001388776)
12/07/1983 - R Satisfaction of Mortgage
(3200000991620)
12/07/1983 - R Assignment, Mortgage
(3730000991473)
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 338 Union Street, Brooklyn

Access detailed property tax data for 338 Union Street, Brooklyn, NY 11231. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $29,720
Estimated property tax: $31,340
Tax assessor's market value: $3,457,000
Assessed value: $1,555,650

Assessment History for 338 Union Street, Brooklyn

Here's the assessment & property tax history for 338 Union 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 $3,457,000 $1,555,650 $238,926 12.439% $29,720 $29,720 +5.41%
2024/25 $3,519,600 $1,583,820 $225,555 12.5% $28,194 $28,194 +7.98%
2023/24 $2,933,000 $1,319,850 $208,850 12.502% $26,110 $26,110 +9.82%
2022/23 $2,444,000 $1,099,800 $193,813 12.267% $23,775 $23,775 +0.26%
2021/22 $1,955,000 $879,750 $193,813 12.235% $23,713 $23,713 +5.18%

Permits for 338 Union Street, Brooklyn

The complete history of permits filed for 338 Union 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
10/06/2025 Alteration CO
03/26/2024 Alteration
01/20/2024 Alteration
01/20/2024 Alteration
11/05/2016 Alteration type 3
10/25/2016 Alteration type 3
10/22/2016 Alteration type 3
10/08/2004 Alteration type 3
01/28/2004 Alteration type 1
10/23/2003 Alteration type 2
Unlock the complete permit history for 338 Union Street, Brooklyn with a free account.
Sign up

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 Q3/2025
$495
3.7% YoY
Median Price/Sqft Q2/2025
$503
7% YoY
Median Price/Sqft 2024
$470
2.1% 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 Smith St & President St at NW Corner
Station lines F-G
Distance (miles) 0.039
View subway map
Bus Routes
Name Smith St/Union St
Line B57
Distance (miles) 0.025

Neighbors for 338 Union Street, Brooklyn

Here are the neighbors for 338 Union Street, Brooklyn, NY 11231.

Address Square feet Purchase date Purchase price
348 Union St, Brooklyn 3,700 04/27/2018
360 Union St, Brooklyn 10,248 08/26/2020 $9,000,000
340 Union St, Brooklyn 1,440 10/21/2019
307 Smith St, Brooklyn 2,430 05/13/2021
313 Smith St, Brooklyn 3,075 11/21/2012
315 Smith St, Brooklyn 3,328 09/07/1983
351 Court St, Brooklyn 4,879
278 President St, Brooklyn 2,428 07/01/2003 $1,220,000
344 Union St, Brooklyn 2,720 12/21/1978
350 Union St, Brooklyn 3,625 12/05/1981
354 Union St, Brooklyn 3,726 08/15/2022
356 Union St, Brooklyn 14,050 08/26/2020 $9,000,000
309 Smith St, Brooklyn 2,485 08/14/2019
323 Smith St, Brooklyn 6,879 09/15/2021
352 Union St, Brooklyn 3,680 07/18/1996
317 Smith St, Brooklyn 2,643 10/29/2015 $2,700,000
319 Smith St, Brooklyn 2,643 06/03/2011 $1,200,000
342 Union St, Brooklyn 2,130 03/28/2018
346 Union St, Brooklyn 2,740 03/05/2020
311 Smith St, Brooklyn 2,496 10/09/2018
Not sure if we cover all the data-points you need? View sample full report View sample full report