New York City » 11217 » Dean St » 521 Dean St

521 Dean Street, Brooklyn, NY 11217 - Property report

Also known as: 521 Dean St

Property image for 521 Dean Street, Brooklyn, NY 11217

Property type

Walk-up Cooperative Building (Other than Condominiums) (XC6)

Year built

1930

Lot sq. ft.

3,135

General information

Address

Primary address

521 Dean Street

ZIP code

11217

Neighborhood

Prospect Heights

Borough

Brooklyn

Block & lot

01128-0076

Building

Property type

Walk-up Cooperative Building (Other than Condominiums) (XC6)

Building sq. ft.

7,428

Building dimensions

28.5 ft x 70 ft

Buildings on lot

Year built

1930

Last altered

1990

Tax

Tax year

2026-2027

Property tax

$36,013

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)

Dean Street (narrow)

Nearest wide street

6 Avenue

Distance to wide street

Lot dimensions

28.5 ft x 110 ft

Lot sq. ft.

3,135

Area overview

Walk score

95 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

90 /100. Biker's Paradise

School district

Community district

Closest police station

0.05 Miles

Closest fire station

0.03 Miles

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

Units for 521 Dean Street, Brooklyn, NY

Unit	Sale date	Sq. ft.
Unit 1	02/12/2025
Unit 10	12/30/2019
Unit 2	10/23/2025
Unit 3
Unit 4	08/18/2021
Unit 5	02/12/2025	725
Unit 521
Unit 6	03/10/2025
Unit 7	08/05/2024
Unit 8	02/11/2019
Unit 9
Unit RES

Ownership

Ownership information for 521 Dean 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 521 Dean Street, Brooklyn, NY 11217

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
09/23/2016 - R	Initial Coop UCC1 (2016080100838001)	XXXXXXXXX XXXXXXXXXX X	XXXXX XXXXX XXXX X X
03/03/2014 - R	UCC3 Termination (2014022600359003)	XXX XXXX XXXXXX XXXXXX XXXX	XXXXXX XXX
03/03/2014 - R	Initial UCC1 (2014022600359002)	XXX XXXX XXXXXX XXXXXX XXXX	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX
03/03/2014 - R 02/20/2014 - D	Assignment, Mortgage (2014022600359001)	XXXXXX XXX	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX
08/17/2005 - R 07/28/2005 - D	Initial UCC1 (2005080100434001)	XXX XXXX XXXXXX XXXXXX XXXX	XXXXXX XXX
08/10/2005 - R 07/18/2005 - D	Mortgage (2005072802008007)	XXX XXXX XXXXXX XXXXXX XXXX	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX
08/10/2005 - R 07/18/2005 - D	Assignment, Mortgage (2005072802008005)	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX	XXXXXX XXX
08/10/2005 - R 07/18/2005 - D	Assignment of Leases and Rents (2005072802008004)	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX	XXX XXXX XXXXXX XXXXXX XXXX
08/10/2005 - R 07/18/2005 - D	Agreement (2005072802008003)	XXX XXXX XXXXXX XXXXXX XXXX	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX
08/10/2005 - R 07/18/2005 - D	Mortgage (2005072802008002)	XXX XXXX XXXXXX XXXXXX XXXX	XXX XXXX XXXXXXX XXXX XX XXXXXXXXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 521 Dean 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

$36,013

Municipal exemptions

Recent tax assessments

Market value

$4,595,000

Assessed value

$2,067,750

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	$3,829,000	$1,723,050	$402,666	12.439%	$50,088	$37,478	+6.88%
2024/25	$3,190,800	$1,435,860	$390,182	12.5%	$48,773	$35,066	+7.19%
2023/24	$2,659,000	$1,196,550	$361,280	12.502%	$45,167	$32,714	+2.01%
2022/23	$2,216,000	$997,200	$334,520	12.267%	$41,036	$32,068	+10.85%
2021/22	$1,773,000	$797,850	$309,743	12.235%	$37,897	$28,930	-23.86%
2020/21	$1,918,000	$863,100	$309,743	12.267%	$37,996	$37,996	+1.50%
2019/20	$1,763,200	$793,440	$300,140	12.473%	$37,436	$37,436	+6.81%
2018/19	$2,204,000	$991,800	$277,908	12.612%	$35,050	$35,050	+7.09%
2017/18	$1,897,000	$853,650	$257,323	12.719%	$32,729	$32,729	+6.55%
2016/17	$1,720,000	$774,000	$238,264	12.892%	$30,717	$30,717	+0.07%

Permits

Permit information for 521 Dean Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
07/14/2026	Alteration
11/12/2025	Alteration
10/24/2025	Alteration
03/05/2018	Alteration type 2
12/11/2012	Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

Violations

HPD Violations

Violation ID	Inspection date	Class	NOV issue date	Status
	08/05/2012	A
	08/05/2012	A
	08/05/2012	C

*Most recent HPD violations on record for this property.

Neighborhood

Prospect Heights residential market stats

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

Median sale price

$1,277,500

23.4% Y-o-Y

Median price/sq. ft.

$1,509

4.6% Y-o-Y

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

Flatbush Ave & Bergen St at SE Corner

Station lines

2-3

Distance (miles)

0.108

View subway map

Access the detailed traffic volume map for 521 Dean Street, Brooklyn, NY 11217 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. 11 Purvis J Behan	9	Yes	Public	PK, K-5	832	0.46
P.S. 11 Purvis J Behan	9	Yes	Public	PK, K-5	832	0.46
P.S. 77	NR	No	Public	K-12	304	0.26
Park Slope Christian Academy	NR	No	Private	PK, K-8	37	0.30
Park Slope Christian Academy	NR	No	Private	PK, K-8	37	0.30
Luria Academy of Brooklyn	NR	No	Private	PK-8	244	0.34
Luria Academy of Brooklyn	NR	No	Private	PK-8	244	0.34
Achievement First Endeavor Charter School	6	No	Charter	K-8	738	0.38
Hensen Preparatory School	NR	No	Private	PK, K-8	0	0.39

Nearest middle schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
P.S. 753 School For Career Development	NR	No	Public	6-12	354	0.21
P.S. 77	NR	No	Public	K-12	304	0.26
Ms 266 Park Place Community Middle School	4	No	Public	6-8	69	0.26
Park Slope Christian Academy	NR	No	Private	PK, K-8	37	0.30
Luria Academy of Brooklyn	NR	No	Private	PK-8	244	0.34
Achievement First Endeavor Charter School	6	No	Charter	K-8	738	0.38
Hensen Preparatory School	NR	No	Private	PK, K-8	0	0.39
Is 340	7	No	Public	6-8	150	0.40
Berkeley Carroll School	NR	No	Private	PK-12	977	0.41
The Math And Science Exploratory School	7	No	Public	6-8	522	0.41

Nearest high schools

Name	Rating	Att. zoned	Type	Grade range	No of students	Distance (miles)
P.S. 753 School For Career Development	NR	No	Public	6-12	354	0.21
P.S. 77	NR	No	Public	K-12	304	0.26
Berkeley Carroll School	NR	No	Private	PK-12	977	0.41
Brooklyn High School of the Arts	5	No	Public	9-12	927	0.41
Bishop Loughlin Memorial High School	NR	No	Private	9-12	621	0.43
Brooklyn Free School	NR	No	Private	PK-12	76	0.47
Khalil Gibran International Academy	2	No	Public	9-12	134	0.47
Brooklyn Technical High School	10	No	Public	9-12	5,940	0.55
Berkeley Carroll Elementary School	NR	No	Private	PK-12	940	0.58
Gotham Professional Arts Academy	NR	No	Public	9-12	179	0.62

Neighbors for 521 Dean Street, Brooklyn, NY

527 Dean St, Brooklyn 534 Carlton Ave, Brooklyn 509 Dean St, Brooklyn 547 Dean St, Brooklyn 515 Dean St, Brooklyn 507 Dean St, Brooklyn 535 Dean St, Brooklyn 541 Dean St, Brooklyn 501 Dean St, Brooklyn 497 Dean St, Brooklyn 525 Dean St, Brooklyn 532 Carlton Ave, Brooklyn 530 Carlton Ave, Brooklyn 545 Dean St, Brooklyn 528 Carlton Ave, Brooklyn

Frequently asked questions

What is the year built for 521 Dean Street, Brooklyn, NY 11217?

The development at 521 Dean Street, Brooklyn, NY 11217 was built in 1930.

What is the total square footage of 521 Dean Street, Brooklyn, NY 11217?

521 Dean Street, Brooklyn, NY 11217 has a total of 7,428 square feet.

What is the assessed value of 521 Dean Street, Brooklyn, NY 11217?

521 Dean Street, Brooklyn, NY 11217 is currently assessed at $2,067,750.

What are the property taxes for 521 Dean Street, Brooklyn, NY 11217?

The property taxes for 521 Dean Street, Brooklyn, NY 11217 total $50,087.

How many residential units does this building have?

This building has 10 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.