Kings  »  11237  »  Hart St  »  840 Hart St

840 Hart Street, Brooklyn, NY 11237 - Property report

Also known as: 840 Hart St

Property image for 840 Hart Street, Brooklyn, NY 11237
static Mapbox map

Property type

Five to Six Families (C2)

Year built

1931

Lot sq. ft.

2,500

Sale price

$325,000

General information

Unlock this property report with a free account

Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
840 Hart Street
ZIP code
11237
Neighborhood
Bushwick
Borough
Brooklyn
Block & lot
03236-0015

Owner

Find out who owns 840 Hart Street, Brooklyn, NY 11237. Uncover corporate and individual owners with a free account.

Building
Property type
Five to Six Families (C2)
Building sq. ft.
5,250
Building dimensions
25 ft x 70 ft
Buildings on lot
1
Stories
3
Year built
1931
Building material
Sales
Sale date
10/31/2003
Sale price
$325,000
Tax
Tax year
2026-2027
Property tax
$10,654
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
6
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
25 ft x 100 ft
Lot sq. ft.
2,500

Area overview

Walk score
98 /100.  Walker's Paradise
Transit score
99 /100.  Rider's Paradise
Bike score
96 /100.  Biker's Paradise
School district
32
Community district
4
Closest police station
0.33 Miles
Closest fire station
0.33 Miles

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

Ownership

Ownership information for 840 Hart Street, 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 840 Hart Street, Brooklyn, NY 11237

Sale date Sale price Buyer name Seller name
10/31/2003 $325,000 XXX XXXXXX XXXXXX XXXX. XXX XXXXXXX XXXXXX XXXX.
12/18/2002 $260,000 XXX XXXXXXX XXXXXX XXXX. XXXXXX X. XXXXXXXXX, XXX.

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
04/17/2026 - R
03/19/2026 - D		 Discharge of Tax Lien
(2026041600788001)		 XXX XXXX XX XXX XXXX XXXXXX
03/04/2022 - R
02/24/2022 - D		 Tax Lien Sale Certificate
(2022030300017001)		 XXXX XX XXX XXXX XXXX XX XXX XXXX
05/29/2018 - R
05/11/2018 - D		 Satisfaction of Mortgage
(2018051100718002)		 XXX XXXXXX XXXXXX XXXX XXXXXXXX XXXXXXX XXXX XXX
05/29/2018 - R
05/11/2018 - D		 Termination of Assign of L&R
(2018051100718001)		 XXXXXXXX XXXXXXX XXXX XXX XXX XXXXXX XXXXXX XXXX
11/03/2017 - R UCC3 Termination
(2017110300428001)		 XXX XXXXXX XX XXXXXX XXX XXXX XXXX XXX
03/17/2014 - R Initial UCC1
(2014031500190001)		 XXX XXXXXX XX XXXXXX XXX XXXX XXXX XXX
04/24/2009 - R
03/31/2009 - D		 Assignment of Tax Lien
(2009042300235001)		 XXX XXXX XX XXX XXXX XXXXXX XXX XXXX XX XXX XXXX XXXXXX
07/29/2004 - R
07/19/2004 - D		 Initial UCC1
(2004072100810001)		 XXX XXXXXX XXXXX XXXX XXXXXXXX XXXXXXX XXXX XXX
10/27/2004 - R
07/19/2004 - D		 Assignment of Leases and Rents
(2004072100544002)		 XXXXXXXX XXXXXXX XXXX XXX XXX XXXXXX XXXXXX XXXX
10/27/2004 - R
07/19/2004 - D		 Mortgage
(2004072100544001)		 XXX XXXXXX XXXXXX XXXX XXXXXXXX XXXXXXX XXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 840 Hart Street, 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
$10,654
Municipal exemptions
Recent tax assessments
Market value
$1,444,000
Assessed value
$649,800

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 $1,239,000 $557,550 $85,648 12.439% $10,654 $10,654 +2.83%
2024/25 $1,110,000 $499,500 $82,885 12.5% $10,361 $10,361 +7.91%
2023/24 $1,028,000 $462,600 $76,800 12.502% $9,602 $9,602 +10.01%
2022/23 $1,048,000 $471,600 $71,150 12.267% $8,728 $8,728 +8.27%
2021/22 $944,000 $424,800 $65,883 12.235% $8,061 $8,061 -0.26%
2020/21 $1,034,000 $465,300 $65,883 12.267% $8,082 $8,082 +1.63%
2019/20 $963,600 $433,620 $63,758 12.473% $7,953 $7,953 +6.73%
2018/19 $803,000 $361,350 $59,077 12.612% $7,451 $7,451 +7.03%
2017/18 $758,000 $341,100 $54,731 12.719% $6,961 $6,961 +6.55%
2016/17 $606,000 $272,700 $50,679 12.892% $6,534 $6,534 +0.07%
Permits

Permit information for 840 Hart Street, Brooklyn, NY

Filing date Job type Job status Job description Initial cost
01/30/2002 Alteration type 2

*Most recent permit on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID Issue date Type Status
02/09/2010 C-construction
02/05/2010 C-construction
08/15/2008 C-construction

*Most recent DOB violations on record for this property.

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

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Dekalb Ave & Wycoff Ave at SE Corner
Station lines
L
Distance (miles)
0.218
View subway map

Access the detailed traffic volume map for 840 Hart Street, Brooklyn, NY 11237 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 840 Hart Street, Brooklyn, NY

846 Hart St, Brooklyn 852 Hart St, Brooklyn 313 Knickerbocker Ave, Brooklyn 854 Hart St, Brooklyn 860 Hart St, Brooklyn 866 Hart St, Brooklyn 317 Knickerbocker Ave, Brooklyn 864 Hart St, Brooklyn 836 Hart St, Brooklyn 830 Hart St, Brooklyn 319 Knickerbocker Ave, Brooklyn 848 Hart St, Brooklyn 323 Knickerbocker Ave, Brooklyn 834 Hart St, Brooklyn 325 Knickerbocker Ave, Brooklyn 858 Hart St, Brooklyn 828 Hart St, Brooklyn 842 Hart St, Brooklyn 870 Hart St, Brooklyn 824 Hart St, Brooklyn

Nearby ZIP codes for 840 Hart Street, Brooklyn, NY

11101, New York City, NY 11104, New York City, NY 11203, New York City, NY 11205, New York City, NY 11206, New York City, NY 11207, New York City, NY 11211, New York City, NY 11212, New York City, NY 11213, New York City, NY 11216, New York City, NY 11221, New York City, NY 11222, New York City, NY 11225, New York City, NY 11233, New York City, NY 11238, New York City, NY 11373, New York City, NY 11377, New York City, NY 11378, New York City, NY 11379, New York City, NY 11385, New York City, NY

Frequently asked questions

What is the year built for 840 Hart Street, Brooklyn, NY 11237?

The development at 840 Hart Street, Brooklyn, NY 11237 was built in 1931.

What is the total square footage of 840 Hart Street, Brooklyn, NY 11237?

840 Hart Street, Brooklyn, NY 11237 has a total of 5,250 square feet.

When was 840 Hart Street, Brooklyn, NY 11237 last sold and what was the sale price?

840 Hart Street, Brooklyn, NY 11237 was last sold on 10/31/2003 for $325,000.

What is the assessed value of 840 Hart Street, Brooklyn, NY 11237?

840 Hart Street, Brooklyn, NY 11237 is currently assessed at $649,800.

What are the property taxes for 840 Hart Street, Brooklyn, NY 11237?

The property taxes for 840 Hart Street, Brooklyn, NY 11237 total $10,653.

How many residential units does this building have?

This building has 6 residential unit(s).

Disclaimer

Copyright 2003-2026 by PropertyShark.com

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.

Sign up for a free account