New York City » 10021 » Madison Ave » 900 Madison Ave

900 Madison Avenue, New York, NY 10021 - Property report

Also known as: 28-30 E 73rd St

Property image for 900 Madison Avenue, New York, NY 10021

Property type

Elevator Apartment - Fireproof with Stores (D6)

Year built

1939

Lot sq. ft.

6,175

General information

Address

Primary address

900 Madison Avenue

Alternate address(es)

28-30 E 73rd St
900-910 Madison Ave

ZIP code

10021

Neighborhood

Lenox Hill

Borough

Manhattan

Block & lot

01387-0056

Building

Property type

Elevator Apartment - Fireproof with Stores (D6)

Building sq. ft.

66,731

Building dimensions

99 ft x 58 ft

Buildings on lot

Stories

Year built

1939

Last altered

2010

Building material

Tax

Tax year

2026-2027

Property tax

$1,427,767

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

99.92 ft x 77 ft

Lot sq. ft.

6,175

Area overview

Walk score

91 /100. Walker's Paradise

Transit score

100 /100. Rider's Paradise

Bike score

80 /100. Very Bikeable

School district

Community district

Closest police station

0.35 Miles

Closest fire station

0.34 Miles

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

Ownership

Ownership information for 900 Madison 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 900 Madison Avenue, New York, NY 10021

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date	Type	Party 1	Party 2
04/30/2024 - R 12/15/2023 - D	NYC Real Property Transfer Tax (2023122100656001)	XXXXXXX (XXXXX) XXX XXX	XX XXXXX XXX XXXXX XXX XXX
07/08/2021 - R	Initial UCC1 (2021063000852002)	XX XXXX XXXX XXXXXX XX X X X	XXXXX XXXX XXX XXXXXXX
07/08/2021 - R 06/25/2021 - D	Agreement (2021063000852001)	XX XXXX XXXX XXXXXX XX X X X	XXXXX XXXX XXX XXXXXXX
07/05/2011 - R	Initial UCC1 (2011062801149004)	XX XXXX XXXX XXXXXX X X X X X	XXXXX XXXX XXX XXXXXXX
07/05/2011 - R 06/28/2011 - D	Assignment of Leases and Rents (2011062801149003)	XX XXXX XXXX XXXXXX X X X X X	XXXXX XXXX XXX XXXXXXX
07/05/2011 - R 06/28/2011 - D	Agreement (2011062801149002)	XX XXXX XXXX XXXXXX X X X X X	XXXXX XXXX XXX XXXXXXX
07/05/2011 - R 06/28/2011 - D	Mortgage (2011062801149001)	XX XXXX XXXX XXXXXX X X X X X	XXXXX XXXX XXX XXXXXXX
06/05/2006 - R 06/01/2006 - D	Initial UCC1 (2006060102165001)	XX XXXX XXXX XXXXXX XX XXX	XXXXX XXXX XXX XXXXXXX
06/09/2006 - R 05/30/2006 - D	Agreement (2006053100722001)	XX XXXX XXXX XXXXXX XX XXX	XXXXX XXXX XXX XXXXXXX
05/23/2001 - R	Agreement (1680007665168)	XX XXXX XXXX XXXXXXXX XXX	XXXXX XXXX XXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 900 Madison 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

$1,427,767

Municipal exemptions

Recent tax assessments

Market value

$27,367,000

Assessed value

$12,315,150

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	$26,883,000	$12,097,350	$11,142,360	12.439%	$1,385,998	$1,385,998	+1.70%
2024/25	$25,286,000	$11,378,700	$10,902,890	12.5%	$1,362,861	$1,362,861	-0.74%
2023/24	$24,405,000	$10,982,250	$10,982,250	12.502%	$1,373,001	$1,373,001	+5.42%
2022/23	$23,594,000	$10,617,300	$10,617,300	12.267%	$1,302,424	$1,302,424	+0.08%
2021/22	$23,636,000	$10,636,200	$10,636,200	12.235%	$1,301,339	$1,301,339	-7.50%
2020/21	$26,961,000	$12,132,450	$11,468,790	12.267%	$1,406,876	$1,406,876	+2.38%
2019/20	$26,469,000	$11,911,050	$11,017,260	12.473%	$1,374,183	$1,374,183	+5.35%
2018/19	$25,276,000	$11,374,200	$10,342,980	12.612%	$1,304,457	$1,304,457	+6.74%
2017/18	$24,466,000	$11,009,700	$9,608,040	12.719%	$1,222,047	$1,222,047	+6.62%
2016/17	$24,259,000	$10,916,550	$8,890,470	12.892%	$1,146,159	$1,146,159	+9.79%

Permits

Permit information for 900 Madison Avenue, New York, NY

Filing date	Job type	Job status	Job description	Initial cost
02/08/2024	Alteration
08/24/2023	Alteration
08/08/2023	Alteration
06/04/2023	Alteration
03/27/2023	Alteration

*Most recent permits on record for this property.

More about New York City property records

Violations

DOB Violations

Violation ID	Issue date	Type	Status
	05/18/2022	Landmk-landmark none
	10/05/2020	E-elevator elevatorrequired
	10/05/2020	E-elevator elevatorrequired

*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

Lexington Ave & 77th St at SW Corner

Station lines

Distance (miles)

0.286

View subway map

Access the detailed traffic volume map for 900 Madison Avenue, New York, NY 10021 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

Nearby ZIP codes for 900 Madison Avenue, New York, NY

10017, New York City, NY 10022, New York City, NY 10028, New York City, NY 10044, New York City, NY 10065, New York City, NY 10075, New York City, NY 10103, New York City, NY 10128, New York City, NY 10152, New York City, NY 10154, New York City, NY 10162, New York City, NY 10167, New York City, NY 10169, New York City, NY 10170, New York City, NY 10171, New York City, NY 10172, New York City, NY 10177, New York City, NY 11109, New York City, NY

Frequently asked questions

What is the year built for 900 Madison Avenue, New York, NY 10021?

The development at 900 Madison Avenue, New York, NY 10021 was built in 1939.

What is the market value of 900 Madison Avenue, New York, NY 10021?

The current market value of 900 Madison Avenue, New York, NY 10021 is $27,367,000.

What is the total square footage of 900 Madison Avenue, New York, NY 10021?

900 Madison Avenue, New York, NY 10021 has a total of 66,731 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 3.

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.