New York City  »  11211  »  Union Ave  »  447 Union Ave

447 Union Avenue, Brooklyn, NY 11211 Property Information

Also known as: 437 Union Ave, Brooklyn, NY 11211

447 Union Avenue, Brooklyn, NY 11211 Property Information

Also known as: 437 Union Ave, Brooklyn, NY 11211

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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447 Union Avenue, Brooklyn, NY 11211 1
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Address

Primary address 447 Union Avenue
Secondary address 472-484 Keap St
Neighborhood Williamsburg
Zip code 11211
Borough Brooklyn
Block & lot 02372-0009

Sales & Tax Overview for 447 Union Avenue, Brooklyn

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

Purchase date 09/15/2010
Purchase price $253,000
Tax class
Estimated property tax $52,852

Lot & Building Information for 447 Union Avenue, Brooklyn

Lot sqft 5,282
Lot dimensions 134 ft x 39.42 ft
Property type Miscellaneous Hotel (H9)
Building sqft 18,046
Buildings on lot 1
Stories 5
Year built 2014
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Zoning & Use for 447 Union Avenue, Brooklyn

Zoning
Qualified opportunity zone
Commercial units 1

Area Overview

Walk Score
Transit Score
Bike Score


School district 14
Community district 1
Closest police station 0.92 Miles
Closest fire station 0.37 Miles

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

Other Property Data for 447 Union Avenue, 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 447 Union Avenue, Brooklyn, NY 11211, 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 447 Union Avenue, Brooklyn, NY 11211, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

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

  • 472-484 Keap St, Brooklyn, NY 11211
  • 435-447 Union Ave, Brooklyn, NY 11211

About 447 Union Avenue, Brooklyn

How many square feet does 447 Union Avenue, Brooklyn, NY 11211 have?

This Miscellaneous Hotel (H9) located at 447 Union Avenue, Brooklyn, NY 11211 has a total of 18,046 square feet.

What is the year built & the current market value of 447 Union Avenue, Brooklyn, NY 11211?

447 Union Avenue, Brooklyn, NY 11211 was built in 2014 and has a current tax assessor's market value of $4,846,000.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information for 447 Union Avenue, Brooklyn

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Property owner name for 447 Union Avenue, Brooklyn, NY 11211
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Building contacts for 447 Union Avenue, Brooklyn, NY 11211
Building management:
Representatives (from permits):
Tenants:
Real Estate Reports:
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Past Sales & Property History for 447 Union Avenue, Brooklyn

Create a free account to view the complete sales history for 447 Union Avenue, Brooklyn, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
09/15/2010 $253,000

Title Documents for 447 Union Avenue, 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
05/01/2026 - R UCC3 Termination
(2026040300386006)
02/12/2026 - D
05/01/2026 - R
Termination of Assign of L&R
(2026040300386005)
02/12/2026 - D
05/01/2026 - R
Assignment of Leases and Rents
(2026040300386004)
02/12/2026 - D
05/01/2026 - R
Agreement
(2026040300386003)
02/12/2026 - D
05/01/2026 - R
Mortgage
(2026040300386002)
02/12/2026 - D
05/01/2026 - R
Assignment, Mortgage
(2026040300386001)
02/12/2026 - R Initial UCC1
(2026021200660001)
02/04/2025 - R UCC3 Continuation
(2025020300684001)
02/11/2020 - R UCC3 Termination
(2020020401208003)
02/04/2020 - R Initial UCC1
(2020020401115006)
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R: Recorded date
D: Document date

Property Taxes for 447 Union Avenue, Brooklyn

Access detailed property tax data for 447 Union Avenue, Brooklyn, NY 11211. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $35,465
Estimated property tax: $52,852
Tax assessor's market value: $4,846,000
Assessed value: $2,180,700

Assessment History for 447 Union Avenue, Brooklyn

Here's the assessment & property tax history for 447 Union Avenue, 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 $4,846,000 $2,180,700 $1,910,970 10.848% $207,302 $36,873 -2.98%
2024/25 $4,704,000 $2,116,800 $1,905,660 10.762% $205,087 $38,005 +12.11%
2023/24 $4,315,000 $1,941,750 $1,876,590 10.592% $198,768 $33,899 -82.77%
2022/23 $4,107,000 $1,848,150 $1,848,150 10.646% $196,754 $196,754 +24.67%
2021/22 $3,261,000 $1,467,450 $1,467,450 10.755% $157,824 $157,824 -31.49%

Permits for 447 Union Avenue, Brooklyn

The complete history of permits filed for 447 Union Avenue, 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
11/12/2024 Alteration
04/25/2023 Alteration
04/13/2023 Alteration
01/28/2021 Alteration
02/13/2020 Alteration
05/28/2019 Alteration type 3
10/09/2018 Alteration
04/03/2017 Alteration type 3
04/03/2017 Alteration type 3
02/25/2017 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)
Hurricane evacuation zone: 4 (See more on map)

Transportation

Distance to Subway
Closest station Union Ave & Metropolitan Ave at NE Corner
Station lines G-L
Distance (miles) 0.032
View subway map
Bus Routes
Name Metropolitan Av/Union Av
Line B24
Distance (miles) 0.058

Neighbors for 447 Union Avenue, Brooklyn

Here are the neighbors for 447 Union Avenue, Brooklyn, NY 11211.

Address Square feet Purchase date Purchase price
462 Keap St, Brooklyn 33,848 06/06/2011 $10,226,324
487 Keap St, Brooklyn 56,997 06/02/2022 $36,300,000
490 Metropolitan Ave, Brooklyn 2,400 05/25/1995
442 Rodney St, Brooklyn
467 Keap St, Brooklyn 73,637 05/11/2007
56 Ainslie St, Brooklyn 9,900 01/04/2018 $5,100,000
447 Keap St, Brooklyn 7,644 08/15/2025 $6,300,000
471 Keap St, Brooklyn 17,152 03/17/2011 $3,630,000
123 Hope St, Brooklyn 35,113 03/26/2020 $83,764,000
457 Keap St, Brooklyn 2,920 10/17/2014
443 Keap St, Brooklyn 1,935 05/13/2003
488 Metropolitan Ave, Brooklyn 2,100 09/14/2018 $2,400,000
453 Keap St, Brooklyn 2,920 07/17/1998
39 Ainslie St, Brooklyn 20,000 02/21/2020 $11,000,000
451 Keap St, Brooklyn 3,240 10/05/2018 $1,930,000
452 Keap St, Brooklyn 64,900 03/16/2006 $6,400,000
514 Metropolitan Ave, Brooklyn 3,750 03/04/2013
492 Metropolitan Ave, Brooklyn 1,481 08/15/1991
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