Manhattan » 10027 » Convent Ave » 21 Convent Ave

21 Convent Avenue, New York, NY 10027 - Property report

Also known as: 423-429 W 128th St

Property image for 21 Convent Avenue, New York, NY 10027

Property type

Walk-up Apartment - Over Six Families with Stores (C7)

Year built

1920

Lot sq. ft.

4,383

General information

Address

Primary address

21 Convent Avenue

Alternate address(es)

21-23 Convent Ave
423-429 W 128th St

ZIP code

10027

Neighborhood

Harlem

Borough

Manhattan

Block & lot

01968-0029

Building

Property type

Walk-up Apartment - Over Six Families with Stores (C7)

Building sq. ft.

16,175

Building dimensions

50 ft x 88 ft

Buildings on lot

Stories

Year built

1920

Last altered

1997

Building material

Tax

Tax year

2026-2027

Property tax

$13,860

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

50.58 ft x 75.08 ft

Lot sq. ft.

4,383

Area overview

Walk score

97 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

60 /100. Bikeable

School district

Community district

Closest police station

0.19 Miles

Closest fire station

0.13 Miles

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

Ownership

Ownership information for 21 Convent Avenue, New York, 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 21 Convent Avenue, New York, NY 10027

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
02/20/2020 - R 01/31/2020 - D	Termination of Assign of L&R (2020021900863001)	XXXXXXXXXX X X	XXXX XXXXXXX XXX XXXXXX XXX
02/05/2020 - R 01/31/2020 - D	Assignment of Leases and Rents (2020020500222004)	XXXX XXXXXXX XXX XXXXXX XXX	XXXXXXX XXX XXXXXXXX XXXXXXXXXXX
02/05/2020 - R 01/31/2020 - D	Agreement (2020020500222003)	XXXX XXXXXXX XXX XXXXXX XXX	XXXXXXX XXX XXXXXXXX XXXXXXXXXXX
02/05/2020 - R 01/31/2020 - D	Mortgage (2020020500222002)	XXXX XXXXXXX XXX XXXXXX XXX	XXXXXXX XXX XXXXXXXX XXXXXXXXXXX
02/20/2020 - R 01/21/2020 - D	Sundry Agreement (2020021900863002)	XXXXXXXXXX XX XXXXXXX XXXXXXXXXXXX XXX XXXXXXXXXXX
12/05/2016 - R	UCC3 Continuation (2016120101221001)	XXXX XXXXXXX XXX XXXXXX XXX	XXX XXXX XX XXX XXXX XXXXXXX XXXXXXXXXXX XXXXXXXX
05/19/2003 - R	Assignment, Mortgage (2003032900127007)	XXX XXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXX	XXXXXXX XXXX XXXX XXXXXXXX XXXXXXXXXXX
05/19/2003 - R	Agreement (2003032900127004)		XXX XXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXX
05/19/2003 - R	Assignment, Mortgage (2003032900127002)	XXXX XX	XXX XXXXXXXXX XXXXXXXXXXXX XXXXXXXXXXX
04/25/2003 - R	UCC3 Termination (2003042100325001)		XXXX XX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 Convent Avenue, New York, 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

$13,860

Municipal exemptions

Recent tax assessments

Market value

$2,023,000

Assessed value

$910,350

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	$1,788,000	$804,600	$111,423	12.439%	$100,084	$13,860	-0.49%
2024/25	$2,138,000	$962,100	$111,423	12.5%	$101,813	$13,928	-0.02%
2023/24	$1,907,000	$858,150	$111,423	12.502%	$93,390	$13,930	+1.92%
2022/23	$1,819,000	$818,550	$111,423	12.267%	$85,573	$13,668	+0.26%
2021/22	$1,495,000	$672,750	$111,423	12.235%	$78,226	$13,633	-0.26%
2020/21	$1,691,000	$760,950	$111,423	12.267%	$74,577	$13,668	-1.65%
2019/20	$1,388,000	$624,600	$111,424	12.473%	$69,038	$13,898	-1.10%
2018/19	$1,358,000	$611,100	$111,424	12.612%	$66,924	$14,053	+7.20%
2017/18	$1,172,000	$527,400	$103,064	12.719%	$63,521	$13,109	-1.34%
2016/17	$1,146,000	$515,700	$103,064	12.892%	$63,387	$13,287	+0.07%

Permits

Permit information for 21 Convent Avenue, New York, NY

Filing date	Job type	Job status	Job description	Initial cost
08/05/2021	Alteration
11/09/2020	Alteration
01/12/2017	Alteration type 2
01/12/2017	Alteration type 2
02/04/2013	Alteration type 2

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID	Issue date	Type	Status
	03/06/2019	Aeuhaz1-fail to certify class 1
	01/19/2007	Ll6291-local law 62/91 - boilers
	01/19/2007	Ll6291-local law 62/91 - boilers

*Most recent DOB violations on record for this property.

Listings

Neighborhood

Manhattan commercial market stats

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

Q2 2026 median price/sq. ft.

$729

10.4% Y-o-Y

Q1 2026 median price/sq. ft.

$807

22.4% Y-o-Y

2025 median price/sq. ft.

$630

-8.1% Y-o-Y

Check out recently sold homes in Manhattan 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

Saint Nicholas Ave & 127th St at SW Corner

Station lines

A-B-C-D

Distance (miles)

0.122

View subway map

Access the detailed traffic volume map for 21 Convent Avenue, New York, NY 10027 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

Frequently asked questions

What is the year built for 21 Convent Avenue, New York, NY 10027?

The development at 21 Convent Avenue, New York, NY 10027 was built in 1920.

What is the market value of 21 Convent Avenue, New York, NY 10027?

The current market value of 21 Convent Avenue, New York, NY 10027 is $2,023,000.

What is the total square footage of 21 Convent Avenue, New York, NY 10027?

21 Convent Avenue, New York, NY 10027 has a total of 16,175 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.