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909 Union Street, Brooklyn, NY 11215 Property Information

909 Union Street, Brooklyn, NY 11215 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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909 Union Street, Brooklyn, NY 11215 1
static Mapbox map

Address

Primary address 909 Union Street
Neighborhood Park Slope
Zip code 11215
Borough Brooklyn
Block & lot 01063-0049

Sales & Tax Overview for 909 Union Street, Brooklyn

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 $25,799

Lot & Building Information for 909 Union Street, Brooklyn

Lot sqft 1,800
Lot dimensions 20 ft x 90 ft
Property type Primarily Five to Six Family with One Store or Office (S5)
Building sqft 4,550
Building dimensions 20 ft x 50 ft
Buildings on lot 1
Stories 4
Year built 1920
Construction type
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Zoning & Use for 909 Union Street, Brooklyn

Zoning
Residential units (DOF) 6
Commercial units 1
Residential sqft
Office sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 13
Community district 6
Closest police station 0.46 Miles
Closest fire station 0.17 Miles

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

Other Property Data for 909 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 909 Union Street, Brooklyn, NY 11215, 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 909 Union Street, Brooklyn, NY 11215, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 909 Union Street, Brooklyn

How many square feet does 909 Union Street, Brooklyn, NY 11215 have?

This Primarily Five to Six Family with One Store or Office (S5) located at 909 Union Street, Brooklyn, NY 11215 has a total of 4,550 square feet.

What is the year built & the current market value of 909 Union Street, Brooklyn, NY 11215?

909 Union Street, Brooklyn, NY 11215 was built in 1920 and has a current tax assessor's market value of $2,110,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 909 Union Street, Brooklyn

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Property owner name for 909 Union Street, Brooklyn, NY 11215
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Building contacts for 909 Union Street, Brooklyn, NY 11215
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 
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Past Sales & Property History for 909 Union Street, Brooklyn

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No recorded sales for this property.

Title Documents for 909 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
09/29/2000 - D
11/21/2000 - R
Deed
(3770007414377)
06/30/2000 - R Satisfaction of Mortgage
(3520007258252)
06/12/2000 - R UCC3 Termination
(3410007196041)
05/22/2000 - R Power of Attorney
(3930007226293)
05/22/2000 - R Satisfaction of Mortgage
(3260007225526)
04/25/2000 - D
05/22/2000 - R
Deed
(3640007226764)
10/15/1996 - R UCC3 Continuation
(3020005350502)
08/05/1994 - R Assignment, Mortgage
(3270004394727)
11/13/1991 - R Mortgage
(3820001649782)
10/28/1991 - R Assignment, Mortgage
(3740001646974)
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R: Recorded date
D: Document date

Property Taxes for 909 Union Street, Brooklyn

Access detailed property tax data for 909 Union Street, Brooklyn, NY 11215. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $25,800
Estimated property tax: $25,799
Tax assessor's market value: $2,110,000
Assessed value: $949,500

Assessment History for 909 Union Street, Brooklyn

Here's the assessment & property tax history for 909 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 $2,110,000 $949,500 $207,409 12.439% $25,800 $25,800 +2.70%
2024/25 $2,637,000 $1,186,650 $200,975 12.5% $25,122 $25,122 +7.98%
2023/24 $2,663,000 $1,198,350 $186,089 12.502% $23,265 $23,265 +10.07%
2022/23 $2,219,000 $998,550 $172,307 12.267% $21,137 $21,137 +8.28%
2021/22 $2,610,000 $1,174,500 $159,545 12.235% $19,520 $19,520 -0.26%

Permits for 909 Union Street, Brooklyn

The complete history of permits filed for 909 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
01/28/2009 Alteration type 2
09/11/2008 Alteration type 2
         
         
         
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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
$426
-10.8% YoY
Median Price/Sqft Q4/2025
$493
11.7% YoY
Median Price/Sqft 2025
$492
6.6% 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 Flatbush Ave & Plaza Street West at NW Corner
Station lines 2-3
Distance (miles) 0.142
View subway map
Bus Routes
Name 7 Av/Union St
Line B67
Distance (miles) 0.109

Neighbors for 909 Union Street, Brooklyn

Here are the neighbors for 909 Union Street, Brooklyn, NY 11215.

Address Square feet Purchase date Purchase price
893 Union St, Brooklyn 3,488 02/15/1994
889 Union St, Brooklyn 3,558 03/29/1984
62 8th Ave, Brooklyn 4,842 12/28/2012
240 Berkeley Pl, Brooklyn 5,912 02/28/2025 $6,262,800
897 Union St, Brooklyn 3,440 05/30/2018 $4,100,000
903 Union St, Brooklyn 3,480 07/20/2022 $3,700,000
913 Union St, Brooklyn 4,449 08/11/2022 $3,925,000
54 8th Ave, Brooklyn 6,350 06/02/2004 $1,960,000
899 Union St, Brooklyn 3,440 02/22/2024
64 8th Ave, Brooklyn 5,845 02/19/1988
186 Berkeley Pl, Brooklyn 3,500 01/14/1998
901 Union St, Brooklyn 3,800 04/16/2021
911 Union St, Brooklyn 4,275 11/21/1980
905 Union St, Brooklyn 4,000 06/01/1984
56 8th Ave, Brooklyn 5,548 05/01/2025 $5,850,000
891 Union St, Brooklyn 3,440 04/15/2024
887 Union St, Brooklyn 4,160 10/04/2002
66 8th Ave, Brooklyn 7,141 09/07/2017
907 Union St, Brooklyn 4,275 12/20/1985
60 8th Ave, Brooklyn 5,500 02/22/2018
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