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814 Union Street, Brooklyn, NY 11215 Property Information

814 Union Street, Brooklyn, NY 11215 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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814 Union Street, Brooklyn, NY 11215 1
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Address

Primary address 814 Union Street
Neighborhood Park Slope
Zip code 11215
Borough Brooklyn
Block & lot 01065-0003

Sales & Tax Overview for 814 Union Street, Brooklyn

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Tax class
Estimated property tax $20,532

Lot & Building Information for 814 Union Street, Brooklyn

Lot sqft 1,800
Lot dimensions 20 ft x 95 ft
Building class Primarily Two Family with One Store or Office (S2)
Building sqft 3,254
Building dimensions 20 ft x 50 ft
Buildings on lot 1
Stories 3
Year built 1921
Construction type
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Zoning & Use for 814 Union Street, Brooklyn

Zoning
Residential units (DOF) 2
Commercial units 1

Area Overview

Walk Score
Transit Score
Bike Score


School district 15
Community district 6
Closest police station 0.45 Miles
Closest fire station 0.07 Miles

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

Other Property Data for 814 Union Street, Brooklyn

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Floor area ratio (FAR) for 814 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 814 Union Street, Brooklyn, NY 11215, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 814 Union Street, Brooklyn

How many square feet does 814 Union Street, Brooklyn, NY 11215 have?

This Primarily Two Family with One Store or Office (S2) located at 814 Union Street, Brooklyn, NY 11215 has a total of 3,254 square feet.

What is the year built & the current market value of 814 Union Street, Brooklyn, NY 11215?

814 Union Street, Brooklyn, NY 11215 was built in 1921 and has a current tax assessor's market value of $1,627,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 814 Union Street, Brooklyn

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Property owner name for 814 Union Street, Brooklyn, NY 11215
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Building contacts for 814 Union Street, Brooklyn, NY 11215
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 814 Union Street, Brooklyn

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No recorded sales for this property.

Title Documents for 814 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
03/17/2016 - D
05/20/2016 - R
Deed
(2016033100499001)
08/08/1984 - R Satisfaction of Mortgage
(3480001034348)
05/25/1978 - D
11/29/1983 - R
Deed
(3680000990068)
07/22/1969 - R Mortgage
(36930034900084)
07/22/1969 - R Mortgage
(36930034900080)
07/22/1969 - R Deed
(36930034900078)
06/28/1966 - R Mortgage
(36630017400210)
06/28/1966 - R Deed
(36630017400184)
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R: Recorded date
D: Document date

Property Taxes for 814 Union Street, Brooklyn

Access detailed property tax data for 814 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: $19,371
Estimated property tax: $20,532
Tax assessor's market value: $1,627,000
Assessed value: $97,620

Assessment History for 814 Union Street, Brooklyn

Here's the assessment & property tax history for 814 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 $1,627,000 $97,620 $97,620 19.843% $19,371 $19,371 -59.31%
2024/25 $1,886,000 $848,700 $380,879 12.5% $47,610 $47,610 +2.88%
2023/24 $1,904,000 $856,800 $370,150 12.502% $46,276 $46,276 +2.22%
2022/23 $1,587,000 $714,150 $369,038 12.267% $45,270 $45,270 +8.28%
2021/22 $1,867,000 $840,150 $341,702 12.235% $41,807 $41,807 +7.72%

Permits for 814 Union Street, Brooklyn

The complete history of permits filed for 814 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
08/06/2019 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 Q4/2025
$495
12.2% YoY
Median Price/Sqft Q3/2025
$496
6.7% 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) 0.226
View subway map
Bus Routes
Name 7 Av/Union St
Line B67
Distance (miles) 0.036

Neighbors for 814 Union Street, Brooklyn

Here are the neighbors for 814 Union Street, Brooklyn, NY 11215.

Address Square feet Purchase date Purchase price
816 Union St, Brooklyn 4,300 02/27/2023
830 Union St, Brooklyn 3,910 12/28/2004
925 Union St, Brooklyn 43,032 08/19/2004 $735,000
47 Plaza St W, Brooklyn 94,821 09/14/2004 $860,000
39 Plaza St W, Brooklyn 65,000 04/03/1981
266 Berkeley Pl, Brooklyn 4,256 03/14/2016
832 Union St, Brooklyn 3,926 09/18/2013 $2,300,000
99 7th Ave, Brooklyn 10,986 12/28/2004
45 Plaza St W, Brooklyn 46,200 07/08/1982
272 Berkeley Pl, Brooklyn 4,524 11/29/2017
270 Berkeley Pl, Brooklyn 4,256 03/16/2023
834 Union St, Brooklyn 3,926 12/06/2018 $3,600,000
818 Union St, Brooklyn 4,480 12/05/2024
820 Union St, Brooklyn 4,200 08/01/2024 $4,950,000
822 Union St, Brooklyn 4,656 01/10/1972
824 Union St, Brooklyn 4,480 06/28/2006 $2,750,000
826 Union St, Brooklyn 4,377 07/10/2002
828 Union St, Brooklyn 4,120 06/06/2022 $4,750,000
276 Berkeley Pl, Brooklyn 5,586 06/14/2010 $3,950,000
268 Berkeley Pl, Brooklyn 4,024 03/28/1985
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