New York City » 11215 » Prospect Ave » 343 Prospect Ave

343 Prospect Avenue, Brooklyn, NY 11215 - Property report

Also known as: 343 Prospect Ave

Property image for 343 Prospect Avenue, Brooklyn, NY 11215

Property type

One Family Attached or Semi-Detached (A5)

Year built

1901

Lot sq. ft.

1,241

Sale price

$2,500,000

General information

Address

Primary address

343 Prospect Avenue

ZIP code

11215

Neighborhood

Park Slope

Borough

Brooklyn

Block & lot

01055-0144

Building

Property type

One Family Attached or Semi-Detached (A5)

Building sq. ft.

1,674

Building dimensions

17 ft x 38 ft

Buildings on lot

Stories

Year built

1901

Last altered

2015

Building material

Frame

Exterior wall

Composition

Basement

Sales

Sale date

08/18/2025

Sale price

$2,500,000

Tax

Tax year

2026-2027

Property tax

$4,154

Tax class

Floor area ratio (FAR)

Commercial FAR

Residential FAR

Buildable area

Zoning & Use

Zoning

Qualified opportunity zone

Residential units

Residential sq. ft.

Commercial units

Office sq. ft.

Retail sq. ft.

Lot

Frontage(s)

Prospect Avenue (wide)

Distance to wide street

Lot dimensions

17 ft x 73 ft

Lot sq. ft.

1,241

Area overview

Walk score

97 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

80 /100. Very Bikeable

School district

Community district

Closest police station

0.76 Miles

Closest fire station

0.32 Miles

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

Ownership

Ownership information for 343 Prospect 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 343 Prospect Avenue, Brooklyn, NY 11215

Sale date	Sale price	Buyer name	Seller name
08/18/2025	$2,500,000	XXX XXXXXXXX XXX XXX	XXXXX, XXXXXX X XXX XXXXX, XXXXX X
05/31/2018	$2,400,000	XXXXX, XXXXXX X XXX XXXXX, XXXXX X	XXX XXXXXXXX XXXX.
04/14/2015	$800,000	XXX XXXXXXXX XXXX.	XXXXXXXXX XXXXXXX XX XXXX XXXXXXXXX XXXX XX XXXXX

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
09/04/2025 - R 08/18/2025 - D	Mortgage (2025082800342004)	XXX XXXXXXXX XXX XXX	XXXX XXXX XXX X X
09/04/2025 - R 08/18/2025 - D	Deed (2025082800342003)	XXXXX XXXXXX X	XXX XXXXXXXX XXX XXX
09/04/2025 - R 02/28/2025 - D	Power of Attorney (2025082800342002)	XXXXX XXXXX X	XXXXXXXXX XXXX
09/04/2025 - R 02/28/2025 - D	Power of Attorney (2025082800342001)	XXXXX XXXXXX X	XXXXXXXXX XXXX
06/13/2018 - R 05/31/2018 - D	Deed (2018061200338002)	XXX XXXXXXXX XXXX	XXXXX XXXXXX X
06/13/2018 - R 05/31/2018 - D	Power of Attorney (2018061200338001)	XXXXX XXXXX X	XXXXX XXXXXX X
07/22/2016 - R 07/19/2016 - D	Certificate (2016071900130001)	XXXXXXXXX XXXXXXXX XXX
07/22/2016 - R 07/14/2016 - D	Zoning Lot Description (2016071900130002)	XXX XXXXXXXX XXXX
04/30/2015 - R 04/22/2015 - D	Satisfaction of Mortgage (2015042401261001)	XXXXXXX XXXXXXX	XXXXXXX XXXXXXXXXX XXXX
05/07/2015 - R 04/14/2015 - D	Deed (2015042700666001)	XXXXXXXXX XXXXXXX XX XXXX XXXXXXXXX XXXX XX XXXXX	XXX XXXXXXXX XXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 343 Prospect 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

$4,154

Municipal exemptions

Recent tax assessments

Market value

$2,666,000

Assessed value

$159,960

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	$2,806,000	$168,360	$20,315	19.843%	$4,031	$4,031	+4.72%
2024/25	$2,512,000	$150,720	$19,165	20.085%	$3,849	$3,849	+4.69%
2023/24	$2,220,000	$133,200	$18,306	20.085%	$3,677	$3,677	+3.77%
2022/23	$1,817,000	$109,020	$17,446	20.309%	$3,543	$3,543	+1.73%
2021/22	$1,993,000	$119,580	$17,446	19.963%	$3,483	$3,483	-3.65%
2020/21	$1,746,000	$104,760	$17,178	21.045%	$3,615	$3,615	+22.25%
2019/20	$1,706,000	$102,360	$13,971	21.167%	$2,957	$2,957	+6.65%
2018/19	$1,781,000	$106,860	$13,255	20.919%	$2,773	$2,773	+8.49%
2017/18	$1,331,000	$79,860	$12,538	20.385%	$2,556	$2,556	+16.36%
2016/17	$1,128,000	$67,680	$10,988	19.991%	$2,506	$2,197	+4.64%

Permits

Permit information for 343 Prospect Avenue, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
06/24/2025	Alteration
04/26/2017	Alteration type 2
08/30/2016	Alteration type 2
06/16/2015	Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

No recently recorded violations for this property.

Neighborhood

Park Slope South residential market stats

Access a detailed real estate market overview of Park Slope South so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Park Slope South and compare it to other neighborhoods in Brooklyn.

Median sale price

—

Median price/sq. ft.

—

Brooklyn median sale price

$899,000

6% 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

4th Ave & Prospect Ave at NE Corner

Station lines

Distance (miles)

0.373

View subway map

Access the detailed traffic volume map for 343 Prospect Avenue, Brooklyn, NY 11215 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

Schools

Nearest elementary schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
P.S.10 Magnet School for Math, Science & Design Technology	8	Yes	Public	K-5	829	0.10
P.S. 295	7	No	Public	PK, K-5	242	0.14
P.S. 295	7	No	Public	PK, K-5	242	0.14
P.S. 53	NR	No	Public	K-12	410	0.15
Avalon Childcare Fifth Avenue	NR	No	Private	K-1	83	0.27
Hellenic Classical Charter School	10	No	Charter	PK, K-8	483	0.28
Hellenic Classical Charter School	10	No	Charter	PK, K-8	483	0.28
P.S. 107 John W Kimball	8	No	Public	PK, K-5	501	0.30
P.S. 107 John W Kimball	8	No	Public	PK, K-5	501	0.30
Holy Name Of Jesus School	NR	No	Private	PK, K-8	239	0.37

Nearest middle schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
New Voices School Of Academic And Creative Arts	9	No	Public	6-8	530	0.14
Jhs 88 Peter Rouget	6	No	Public	6-8	1,024	0.15
P.S. 53	NR	No	Public	K-12	410	0.15
Hellenic Classical Charter School	10	No	Charter	PK, K-8	483	0.28
Holy Name Of Jesus School	NR	No	Private	PK, K-8	239	0.37
St. Joseph the Worker Catholic Academy	NR	No	Private	PK-8	186	0.37
Al-Noor School	NR	No	Private	PK-12	654	0.43
AL-Noor School	NR	No	Private	PK-12	630	0.43
MS 442 Carroll Gardens School for Innovation	9	No	Public	6-8	344	0.46
Brooklyn Urban Garden Charter School	6	No	Charter	6-8	310	0.46

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
P.S. 53	NR	No	Public	K-12	410	0.15
Yeshiva Machzikel Hadas	NR	No	Private	12	0	0.27
Mesilas Bais Yaakov	NR	No	Private	9-12	260	0.31
Al-Noor School	NR	No	Private	PK-12	654	0.43
AL-Noor School	NR	No	Private	PK-12	630	0.43
St Saviour High School	NR	No	Private	9-12	400	0.61
Park Slope Collegiate	4	No	Public	6-12	577	0.66
Millennium Brooklyn High School	10	No	Public	9-12	721	0.66
Cyberarts Studio Academy	2	No	Public	9-12	298	0.66
John Jay School for Law	3	No	Public	9-12	461	0.66

Frequently asked questions

What is the year built for 343 Prospect Avenue, Brooklyn, NY 11215?

The development at 343 Prospect Avenue, Brooklyn, NY 11215 was built in 1901.

What is the total square footage of 343 Prospect Avenue, Brooklyn, NY 11215?

343 Prospect Avenue, Brooklyn, NY 11215 has a total of 1,674 square feet.

When was 343 Prospect Avenue, Brooklyn, NY 11215 last sold and what was the sale price?

343 Prospect Avenue, Brooklyn, NY 11215 was last sold on 08/18/2025 for $2,500,000.

What is the assessed value of 343 Prospect Avenue, Brooklyn, NY 11215?

343 Prospect Avenue, Brooklyn, NY 11215 is currently assessed at $159,960.

What are the property taxes for 343 Prospect Avenue, Brooklyn, NY 11215?

The property taxes for 343 Prospect Avenue, Brooklyn, NY 11215 total $4,154.

How many residential units does this building have?

This building has 1 residential unit(s).

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.