New York City » 11205 » Adelphi St » 42 Adelphi St

42 Adelphi Street, Brooklyn, NY 11205 - Property report

Also known as: 42 Adelphi St

Property image for 42 Adelphi Street, Brooklyn, NY 11205

Property type

Office with Apartments Only (No Commercial) (O8)

Year built

1899

Lot sq. ft.

4,479

Sale price

$1,350,000

General information

Address

Primary address

42 Adelphi Street

ZIP code

11205

Neighborhood

Fort Greene

Borough

Brooklyn

Block & lot

02031-0050

Building

Property type

Office with Apartments Only (No Commercial) (O8)

Building sq. ft.

6,322

Building dimensions

29.8 ft x 28 ft

Buildings on lot

Stories

Year built

1899

Last altered

2023

Building material

Sales

Sale date

12/20/2013

Sale price

$1,350,000

Tax

Tax year

2026-2027

Property tax

$10,392

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

80.19 ft x 55.87 ft

Lot sq. ft.

4,479

Area overview

Walk score

95 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

93 /100. Biker's Paradise

School district

Community district

Closest police station

0.51 Miles

Closest fire station

0.26 Miles

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

Ownership

Ownership information for 42 Adelphi 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 42 Adelphi Street, Brooklyn, NY 11205

Sale date	Sale price	Buyer name	Seller name
12/20/2013	$1,350,000	XXXXXXXX, XXXXXXX XXX XXX, XXXX	XXXXXXX, XXXXXX X XXX XXXXXXX, XXXXX XXXXXX

*Most recent sale on record for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
06/06/2023 - R 06/01/2023 - D	Zoning Lot Description (2023060100467002)	XXXXXXXX XXXXXXX
06/06/2023 - R 05/30/2023 - D	Certificate (2023060100467001)	XXXXXXXXX XXXXXXXX XXX
08/22/2022 - R 06/29/2022 - D	Mortgage (2022081501487004)	XXXXXXXX XXXXXXX	XXXXXXXX XXXX X X
08/22/2022 - R 06/29/2022 - D	Agreement (2022081501487003)	XXXXXXXX XXXXXXX	XXXXXXXX XXXX X X
08/22/2022 - R 06/29/2022 - D	Mortgage (2022081501487002)	XXXXXXXX XXXXXXX	XXXXXXXX XXXX X X
08/22/2022 - R 06/14/2022 - D	Assignment, Mortgage (2022081501487001)	XXXXX XXXXX XXXX XX	XXXXXXXX XXXX X X
01/09/2019 - R 12/21/2018 - D	Certificate (2019010400057001)	XXXXXXXX XXXXX XXXXXX XXX
01/03/2019 - R 12/17/2018 - D	Zoning Lot Description (2018123100372001)	XXXXXXXX XXXXXXX
07/11/2014 - R 01/14/2014 - D	Satisfaction of Mortgage (2014031500168001)	XXXXXXX XXXXXX X	XXXXXXXX XXXXXXXXXX XXXXXXXXXXXX XXXXXXX XXX
01/17/2014 - R 01/02/2014 - D	Satisfaction of Mortgage (2014010900049001)	XXXXXXX XXXXXX X	XXXXXXXX XXXXX XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 42 Adelphi 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

$10,392

Municipal exemptions

Recent tax assessments

Market value

$304,000

Assessed value

$136,800

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	$426,000	$191,700	$114,696	10.848%	$12,442	$12,442	-35.10%
2024/25	$2,921,000	$175,260	$95,445	20.085%	$19,170	$19,170	+10.04%
2023/24	$2,869,500	$172,170	$86,734	20.085%	$17,421	$17,421	+126.73%
2022/23	$1,617,000	$97,020	$37,832	20.309%	$7,683	$7,683	+7.84%
2021/22	$1,503,000	$90,180	$35,691	19.963%	$7,125	$7,125	+4.94%
2020/21	$1,521,000	$91,260	$32,261	21.045%	$7,086	$6,789	+2.25%
2019/20	$1,431,000	$85,860	$31,368	21.167%	$6,936	$6,640	+2.56%
2018/19	$1,442,000	$86,520	$30,948	20.919%	$6,779	$6,474	+5.50%
2017/18	$1,272,000	$76,320	$30,103	20.385%	$6,436	$6,136	+54.85%
2016/17	$1,494,000	$89,640	$19,823	19.991%	$4,273	$3,963	+72.05%

Permits

Permit information for 42 Adelphi Street, Brooklyn, NY

Filing date	Job type	Job status	Job description	Initial cost
03/03/2026	Subdivision: condo
10/18/2024	Alteration
10/17/2024	Alteration
07/12/2024	Alteration
07/26/2023	Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

No recently recorded violations 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

Flatbush Ave & Fleet St at NE Corner

Station lines

B-Q-R

Distance (miles)

0.601

View subway map

Access the detailed traffic volume map for 42 Adelphi Street, Brooklyn, NY 11205 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 42 Adelphi Street, Brooklyn, NY

155 Park Ave, Brooklyn 45 Adelphi St, Brooklyn 36 Adelphi St, Brooklyn 161 Park Ave, Brooklyn 40 Adelphi St, Brooklyn 24 Adelphi St, Brooklyn 48 Adelphi St, Brooklyn 26 Adelphi St, Brooklyn 18 Adelphi St, Brooklyn 167 Park Ave, Brooklyn 16 Adelphi St, Brooklyn 171 Park Ave, Brooklyn 163 Park Ave, Brooklyn 34 Adelphi St, Brooklyn 28 Adelphi St, Brooklyn 12 Adelphi St, Brooklyn 169 Park Ave, Brooklyn 165 Park Ave, Brooklyn 20 Adelphi St, Brooklyn

Frequently asked questions

What is the year built for 42 Adelphi Street, Brooklyn, NY 11205?

The development at 42 Adelphi Street, Brooklyn, NY 11205 was built in 1899.

What is the market value of 42 Adelphi Street, Brooklyn, NY 11205?

The current market value of 42 Adelphi Street, Brooklyn, NY 11205 is $304,000.

What is the total square footage of 42 Adelphi Street, Brooklyn, NY 11205?

42 Adelphi Street, Brooklyn, NY 11205 has a total of 6,322 square feet.

What is the price per square foot for this property?

$213 per square foot is the price for 42 Adelphi Street, Brooklyn, NY 11205.

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.