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

447 Union Avenue, Brooklyn, NY 11211 - Property report

Also known as: 472-484 Keap St

Property image for 447 Union Avenue, Brooklyn, NY 11211

Property type

Miscellaneous Hotel (H9)

Year built

2014

Lot sq. ft.

5,282

Sale price

$253,000

General information

Address

Primary address

447 Union Avenue

Alternate address(es)

435-447 Union Ave
472-484 Keap St

ZIP code

11211

Neighborhood

Williamsburg

Borough

Brooklyn

Block & lot

02372-0009

Building

Property type

Miscellaneous Hotel (H9)

Building sq. ft.

18,046

Buildings on lot

Stories

Year built

2014

Building material

Sales

Sale date

09/15/2010

Sale price

$253,000

Tax

Tax year

2026-2027

Property tax

$35,465

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Qualified opportunity zone

Residential units

Residential sq. ft.

Office sq. ft.

Retail sq. ft.

Lot

Lot dimensions

134 ft x 39.42 ft

Lot sq. ft.

5,282

Area overview

Walk score

99 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

91 /100. Biker's Paradise

School district

Community district

Closest police station

0.92 Miles

Closest fire station

0.37 Miles

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 447 Union Avenue, Brooklyn, NY

Unlock full ownership info — get contact details, including phone numbers and emails for owners and the real people behind LLCs.

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 447 Union Avenue, Brooklyn, NY 11211

Sale date	Sale price	Buyer name	Seller name
09/15/2010	$253,000	XXXXX XXXXX XXXX XXX	XXXXXXX, XXXXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
05/01/2026 - R	UCC3 Termination (2026040300386006)	XXX XXXXXXXX XXXXX XXX	XXXXXXXXX XXXX
05/01/2026 - R 02/12/2026 - D	Termination of Assign of L&R (2026040300386005)	XXXXXXXXX XXXX	XXXXX XXXXX XXXX XXX
05/01/2026 - R 02/12/2026 - D	Assignment of Leases and Rents (2026040300386004)	XXXXX XXXXX XXXX XXX	XXXXXX XXXX
05/01/2026 - R 02/12/2026 - D	Agreement (2026040300386003)	XXXXX XXXXX XXXX XXX	XXXXXX XXXX
05/01/2026 - R 02/12/2026 - D	Mortgage (2026040300386002)	XXXXX XXXXX XXXX XXX	XXXXXX XXXX
05/01/2026 - R 02/12/2026 - D	Assignment, Mortgage (2026040300386001)	XXXXXXXXX XXXX	XXXXXX XXXX
02/12/2026 - R	Initial UCC1 (2026021200660001)	XXXXX XXXXX XXXX XXX	XXXXXX XXXX
02/04/2025 - R	UCC3 Continuation (2025020300684001)	XXXXX XXXXX XXXX XXX	XXXXXXXXX XXXX
02/11/2020 - R	UCC3 Termination (2020020401208003)	XXX XXXXXXXX XXXXX XXX	XXXXXXX
02/04/2020 - R	Initial UCC1 (2020020401115006)	XXX XXXXXXXX XXXXX XXX	XXXXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 447 Union Avenue, Brooklyn, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax

Tax year

2025-2026

Property tax

$35,465

Municipal exemptions

Recent tax assessments

Market value

$5,042,000

Assessed value

$2,268,900

More about New York City property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year	Market value	Assessed value	Taxable amount	Tax rate	Base tax	Property tax	Y-o-Y 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%
2020/21	$4,787,000	$2,154,150	$2,154,150	10.694%	$230,365	$230,365	+10.90%
2019/20	$4,381,000	$1,971,450	$1,971,450	10.537%	$207,732	$207,732	-17.84%
2018/19	$5,344,000	$2,404,800	$2,404,800	10.514%	$252,841	$252,841	-18.57%
2017/18	$6,659,000	$2,996,550	$2,953,260	10.514%	$310,506	$310,506	+39.63%
2016/17	$4,864,784	$2,189,153	$2,103,113	10.574%	$222,383	$222,383	+1345.64%

Permits

Permit information for 447 Union Avenue, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
03/10/2026	Alteration
03/10/2026	Alteration
11/12/2024	Alteration
04/25/2023	Alteration
04/13/2023	Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID	Issue date	Type	Status
	06/26/2024	Aeuhaz1-fail to certify class 1 none
	05/16/2019	Aeuhaz1-fail to certify class 1
	04/03/2019	Aeuhaz1-fail to certify class 1

*Most recent DOB violations on record for this property.

Listings

Neighborhood

Brooklyn commercial market stats

Review a detailed real estate market overview of Brooklyn and assess current trends, property values, property types sold and transaction volumes. View the median price per square foot in Brooklyn and compare it to other New York City boroughs.

Q2 2026 median price/sq. ft.

$533

1.5% Y-o-Y

Q1 2026 median price/sq. ft.

$471

-8.9% Y-o-Y

2025 median price/sq. ft.

$523

5.2% Y-o-Y

Check out recently sold homes in Brooklyn and see how their prices compare.

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones

Hurricane evacuation zones

Subway & traffic

Closest station

Union Ave & Metropolitan Ave at NE Corner

Station lines

G-L

Distance (miles)

0.032

View subway map

Access the detailed traffic volume map for 447 Union Avenue, Brooklyn, NY 11211 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity. View daily traffic map

Neighbors for 447 Union Avenue, Brooklyn, NY

462 Keap St, Brooklyn 487 Keap St, Brooklyn 490 Metropolitan Ave, Brooklyn 442 Rodney St, Brooklyn 467 Keap St, Brooklyn 56 Ainslie St, Brooklyn 447 Keap St, Brooklyn 471 Keap St, Brooklyn 438 Rodney St, Brooklyn 457 Keap St, Brooklyn 443 Keap St, Brooklyn 488 Metropolitan Ave, Brooklyn 453 Keap St, Brooklyn 39 Ainslie St, Brooklyn 451 Keap St, Brooklyn 452 Keap St, Brooklyn 514 Metropolitan Ave, Brooklyn 492 Metropolitan Ave, Brooklyn

Frequently asked questions

What is the year built for 447 Union Avenue, Brooklyn, NY 11211?

The development at 447 Union Avenue, Brooklyn, NY 11211 was built in 2014.

What is the market value of 447 Union Avenue, Brooklyn, NY 11211?

The current market value of 447 Union Avenue, Brooklyn, NY 11211 is $5,042,000.

What is the total square footage of 447 Union Avenue, Brooklyn, NY 11211?

447 Union Avenue, Brooklyn, NY 11211 has a total of 18,046 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 1.

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.