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805 Union Street, Brooklyn, NY 11215 Property Information

805 Union Street, Brooklyn, NY 11215 Property Information

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

Primary address 805 Union Street
Neighborhood Park Slope
Zip code 11215
Borough Brooklyn
Block & lot 00954-0070

Sales & Tax Overview for 805 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 $14,205

Lot & Building Information for 805 Union Street, Brooklyn

Lot sqft 1,793
Lot dimensions 19.92 ft x 90 ft
Building class Primarily Three Family with One Store or Office (S3) i
Building sqft 6,079
Building dimensions 19.92 ft x 65 ft
Buildings on lot 1
Stories 4
Year built 1920
Construction type
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Zoning & Use for 805 Union Street, Brooklyn

Zoning
Residential units (DOF) 3
Commercial units 1
Residential sqft
Office sqft

Area Overview

Walk Score
Transit Score
Bike Score


School district 13
Community district 6
Closest police station 0.39 Miles
Closest fire station 0.05 Miles

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

Other Property Data for 805 Union Street, Brooklyn

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Floor area ratio (FAR) for 805 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 805 Union Street, Brooklyn, NY 11215, including DOB violations, ECB violations, HPD violations and 311 complaints.

About 805 Union Street, Brooklyn

How many square feet does 805 Union Street, Brooklyn, NY 11215 have?

This Primarily Three Family with One Store or Office (S3) located at 805 Union Street, Brooklyn, NY 11215 has a total of 6,079 square feet.

What is the year built & the current market value of 805 Union Street, Brooklyn, NY 11215?

805 Union Street, Brooklyn, NY 11215 was built in 1920 and has a current tax assessor's market value of $2,954,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 805 Union Street, Brooklyn

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Property owner name for 805 Union Street, Brooklyn, NY 11215
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Building contacts for 805 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 805 Union Street, Brooklyn

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No recorded sales for this property.

Title Documents for 805 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
11/15/2012 - D
12/07/2012 - R
Deed
(2012120401331001)
06/27/1997 - D
04/10/2013 - R
Satisfaction of Mortgage
(2013032500584001)
10/19/1988 - R Assignment, Mortgage
(3140001404414)
09/13/1988 - R Mortgage
(3440001395644)
09/13/1988 - R Power of Attorney
(3430001395643)
08/31/1988 - D
09/13/1988 - R
Deed
(3590001395659)
06/06/1986 - R Deed
(3620001172662)
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R: Recorded date
D: Document date

Property Taxes for 805 Union Street, Brooklyn

Access detailed property tax data for 805 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: $13,191
Estimated property tax: $14,205
Tax assessor's market value: $2,954,000
Assessed value: $1,329,300

Assessment History for 805 Union Street, Brooklyn

Here's the assessment & property tax history for 805 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 $2,954,000 $1,329,300 $106,042 12.439% $13,191 $13,191 -0.49%
2024/25 $2,880,000 $1,296,000 $106,042 12.5% $13,255 $13,255 +3.54%
2023/24 $2,400,000 $1,080,000 $102,401 12.502% $12,802 $12,802 +10.01%
2022/23 $2,326,000 $1,046,700 $94,869 12.267% $11,638 $11,638 +8.28%
2021/22 $2,271,000 $1,021,950 $87,846 12.235% $10,748 $10,748 +7.41%

Permits for 805 Union Street, Brooklyn

The complete history of permits filed for 805 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
08/22/2023 Alteration
07/06/2023 Alteration
12/20/2022 Alteration
08/27/2021 Alteration
07/08/2020 Alteration type 2
05/13/1998 Alteration type 1
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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 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 Flatbush Ave & Park Pl at SW Corner
Station lines B-Q
Distance (miles) 0.268
View subway map
Bus Routes
Name 7 Av/Union St
Line B67
Distance (miles) 0.1

Neighbors for 805 Union Street, Brooklyn

Here are the neighbors for 805 Union Street, Brooklyn, NY 11215.

Address Square feet Purchase date Purchase price
811 Union St, Brooklyn 4,320 01/15/1987
817 Union St, Brooklyn 2,700 10/31/2019
827 Union St, Brooklyn 4,800 08/03/1978
215 4th Ave, Brooklyn 945 04/19/2018 $1,450,000
638 Union St, Brooklyn 1,968 04/29/2025
642 Union St, Brooklyn 1,980 11/05/1998
845 Union St, Brooklyn 28,350
809 Union St, Brooklyn 4,880 01/14/2000
815 Union St, Brooklyn 2,700 05/05/1988
823 Union St, Brooklyn 2,736 05/30/2003
644 Union St, Brooklyn 1,920 10/25/1991
799 Union St, Brooklyn 4,960 06/23/1982
807 Union St, Brooklyn 4,860 03/29/2025
801 Union St, Brooklyn 4,860 10/18/1984
803 Union St, Brooklyn 4,860 12/17/2015
227 4th Ave, Brooklyn 12,200 11/16/2018
640 Union St, Brooklyn 06/19/1975
819 Union St, Brooklyn 3,580 07/18/2000
821 Union St, Brooklyn 5,940 12/07/2021 $10
825 Union St, Brooklyn 4,800 10/10/2008 $1,780,000
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