New York City  »  10022  »  E 51st St  »  433 E 51st St

Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022 - Property report

Also known as: 429-433 E 51st St

Property image for Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022
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Property type

Elevator Apartments Cooperatives Building (Other than Condominiums) (XD4)

Year built

1930

Lot sq. ft.

10,042

General information

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Address
Building name
Southgate Apartments Ii
Primary address
Southgate Apartments Ii - 433 East 51st Street
Alternate address(es)
429-433 E 51st St
ZIP code
10022
Neighborhood
Turtle Bay
Borough
Manhattan
Block & lot
01363-0012

Owner

Find out who owns Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022. Uncover corporate and individual owners with a free account.

Building
Property type
Elevator Apartments Cooperatives Building (Other than Condominiums) (XD4)
Building sq. ft.
93,999
Building dimensions
100 ft x 79 ft
Buildings on lot
1
Stories
13
Year built
1930
Tax
Tax year
2026-2027
Property tax
$954,250
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Residential units
81
Residential sq. ft.
Lot
Frontage(s)
East 51 Street (narrow)
Nearest wide street
1 Avenue
Distance to wide street
Lot dimensions
100 ft x 100.42 ft
Lot sq. ft.
10,042

Area overview

Walk score
96 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
70 /100.  Very Bikeable
School district
2
Community district
6
Closest police station
0.35 Miles
Closest fire station
0.61 Miles

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

Units for Southgate Apartments Ii - 433 East 51st Street, New York, NY

Unit Sale date Sale price Sq. ft. Price/Sq. ft.
Unit 10A 06/30/2017
Unit 10B 04/30/2007
Unit 10C 05/25/2021
Unit 10D,E 10/05/2012
Unit 10E
Unit 10F
Unit 10G 03/21/2018 760
Unit 11
Unit 11A 05/25/2011
Unit 11A,C 12/22/2021
Unit 11C 01/20/2011
Unit 11D
Unit 11E 02/02/2026
Unit 11F 07/14/2005 600
Unit 11G 09/06/2012 1,565
Unit 11G-12G
Unit 12A
Unit 12C 07/18/2012 1,175
Unit 12E
Unit 12F 07/12/2022
Unit 12G 07/08/2005 1,565
Unit 16J
Unit 1A
Unit 1A,B 12/17/2009
Unit 1B
Unit 1D 09/01/2005 600
Unit 1E 07/15/2014
Unit 2B 06/14/2006
Unit 2C
Unit 2C,D 06/16/2006 2,000
Unit 2E
Unit 2F 04/01/2021
Unit 2G 11/18/2025 825
Unit 3A 06/19/2006
Unit 3B 08/15/2016 800
Unit 3C,D 05/15/2020
Unit 3D
Unit 3E 02/23/2017
Unit 3F 07/31/2020 850
Unit 3G 08/25/2025
Unit 4A
Unit 4B 05/13/2025
Unit 4C
Unit 4D 06/20/2006 580
Unit 4E 07/13/2016 900
Unit 4F 08/30/2010
Unit 4G 06/15/2018 800
Unit 4I
Unit 5A 01/05/2024 1,250
Unit 5B
Unit 5C 03/24/2011
Unit 5D 06/20/2018 565
Unit 5E 12/15/2025
Unit 5E-10A
Unit 5F 08/15/2019
Unit 5F,G
Unit 5G 07/10/2026 700
Unit 6A
Unit 6A,B
Unit 6B,C 12/06/2023
Unit 6D
Unit 6D,E 08/03/2021 1,525
Unit 6E
Unit 6F 03/04/2016 850
Unit 6G
Unit 7A
Unit 7B 05/18/2023
Unit 7C
Unit 7D 07/30/2008
Unit 7E 01/19/2021
Unit 7F 10/12/2018 820
Unit 7G 07/30/2008
Unit 8A 04/05/2013 1,300
Unit 8B 08/23/2022
Unit 8C
Unit 8C,D 12/15/2017 1,800
Unit 8D 07/28/2005 580
Unit 8E
Unit 8F 12/02/2014 850
Unit 8G 06/19/2020
Unit 9A 04/22/2026
Unit 9B 02/25/2025 777
Unit 9C 03/02/2022 1,250
Unit 9D 01/31/2013
Unit 9E 01/31/2013 870
Unit 9F 03/02/2022 887
Unit 9G 07/13/2023
Unit PHA
Unit PHAB
Unit PHAC 12/18/2023
Unit PHC
Unit PHF 12/18/2023
Ownership

Ownership information for Southgate Apartments Ii - 433 East 51st Street, New York, NY

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Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022

No recently recorded sales for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
07/25/2023 - R UCC3 Continuation
(2023072000984001)		 XXXXXXXXX XXXXXX XXXX XXXXXXXXXX XXXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX
12/22/2020 - R UCC3 Termination
(2020122101084001)		 XXXXXXXX XXXXX X XXX XXX XXXXXXXX XXXXXXXXXX
08/12/2019 - R UCC3 Termination
(2019080600841001)		 XXXXXXXX XXXX X XXXXXXX XXXX X X XX XXXXXXXXX XX XXXXXX XX XXXX
04/29/2019 - R UCC3 Assignment
(2019042900806006)		 XXXXXXXXX XXXXXX XXXX XXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXXX XXX
04/29/2019 - R UCC3 Assignment
(2019042900806003)		 XXXXXXXXX XXXXXX XXXX XXXXXX XXXXXXX XXXX X X
04/29/2019 - R
04/04/2019 - D		 Asgn of Asgn of L&R
(2019042900806005)		 XXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXXX XXX XXXXXXXXXX XXXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX
04/29/2019 - R
04/04/2019 - D		 Assignment, Mortgage
(2019042900806004)		 XXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXXX XXX XXXXXXXXXX XXXXX XXXXXXXX XXXXXXXXXXX XX XXXXXXX
04/29/2019 - R
04/04/2019 - D		 Asgn of Asgn of L&R
(2019042900806002)		 XXXXXX XXXXXXX XXXX X X XXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXXX XXX
04/29/2019 - R
04/04/2019 - D		 Assignment, Mortgage
(2019042900806001)		 XXXXXX XXXXXXX XXXX X X XXXXXX XXXXXXX XXXXXXXX XXXXXXX XXXXXXXX XXX
01/04/2019 - R Initial UCC1
(2019010300918001)		 XXXXXXXXX XXXXXX XXXX XXXXXX XXXXXXX XXXX X X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Southgate Apartments Ii - 433 East 51st Street, 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
$954,250
Municipal exemptions
Recent tax assessments
Market value
$23,496,000
Assessed value
$10,573,200

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 $22,833,000 $10,274,850 $8,340,766 12.439% $1,049,507 $898,912 +5.05%
2024/25 $19,262,000 $8,667,900 $7,867,212 12.5% $996,333 $855,699 +13.37%
2023/24 $15,573,000 $7,007,850 $6,932,009 12.502% $876,121 $754,803 -12.62%
2022/23 $18,499,000 $8,324,550 $8,093,276 12.267% $1,001,674 $863,789 +4.15%
2021/22 $17,580,000 $7,911,000 $7,832,897 12.235% $967,911 $829,341 -18.31%
2020/21 $19,772,000 $8,897,400 $8,275,667 12.267% $1,022,586 $1,015,176 +3.18%
2019/20 $18,268,000 $8,220,600 $7,888,394 12.473% $993,070 $983,919 +4.41%
2018/19 $18,733,000 $8,429,850 $7,471,821 12.612% $952,355 $942,346 +4.68%
2017/18 $18,212,000 $8,195,400 $7,077,448 12.719% $911,017 $900,181 +3.99%
2016/17 $17,638,000 $7,937,100 $6,714,794 12.892% $876,870 $865,671 +4.68%
Permits

Permit information for Southgate Apartments Ii - 433 East 51st Street, New York, NY

Filing date Job type Job status Job description Initial cost
08/14/2026 Alteration
08/14/2026 Alteration
08/14/2026 Alteration
05/06/2026 Alteration
05/01/2026 Alteration

*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
03/15/2023 A
04/01/2021 I
04/01/2021 A

*Most recent HPD violations on record for this property.

Neighborhood

Turtle Bay, East Midtown residential market stats

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

Median sale price

—

Median price/sq. ft.

—

Manhattan median sale price

$1,260,000

5.4% 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

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
2

Subway & traffic

Closest station
3rd Ave & 53rd St at SE Corner
Station lines
E-M-6
Distance (miles)
0.341
View subway map

Access the detailed traffic volume map for Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022 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. 59 Beekman Hill International 8 Yes Public PK, K-5 523 0.35
P.S. 59 Beekman Hill International 8 Yes Public PK, K-5 523 0.35
Saint Albans NR No Private PK, K-8 0 0.17
Saint Albans NR No Private PK, K-8 0 0.17
St Albans School NR No Private PK-8 118 0.17
St Albans School NR No Private PK-8 118 0.17
The Montessori School of New York - Manhattan NR No Private PK, K-8 0 0.21
Nearest middle schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Jhs 104 Simon Baruch 8 Yes Public 6-8 891 1.53
Saint Albans NR No Private PK, K-8 0 0.17
St Albans School NR No Private PK-8 118 0.17
The Montessori School of New York - Manhattan NR No Private PK, K-8 0 0.21
Aaron School K - 12 NR No Private K-12 185 0.32
Aaron School NR No Private K-12 169 0.35
P.S. 78 8 No Public PK, K-8 725 0.75
Ella Baker School 7 No Public PK, K-8 337 0.81
Hunters Point Community Middle 6 No Public 6-8 365 0.84
P.S. Is 217 Roosevelt Island 7 No Public PK, K-8 716 1.08
Nearest high schools

Name Rating Att. zoned Type Grade range No of students Distance (miles)
Cathedral High School NR No Private 9-12 556 0.24
Cathedral High School NR No Private 9-12 465 0.24
The Beekman School NR No Private 9-12 71 0.30
Aaron School K - 12 NR No Private K-12 185 0.32
Aaron School NR No Private K-12 169 0.35
Art and Design High School 8 No Public 9-12 1,469 0.36
Manhattan International High School 1 No Public 9-12 352 0.81
Talent Unlimited High School 7 No Public 9-12 438 0.81
Urban Academy Laboratory High School 1 No Public 9-12 135 0.81
Vanguard High School 5 No Public 9-12 421 0.81

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for Southgate Apartments Ii - 433 East 51st Street, New York, NY

415 E 51st St, New York 413 E 50th St, New York 450 E 52nd St, New York 400 E 52nd St, New York 411 E 51st St, New York 424 E 52nd St, New York 414 E 52nd St, New York 944 1st Ave, New York 421 E 50th St, New York 409 E 50th St, New York 444 E 52nd St, New York 455 E 51st St, New York 409 E 51st St, New York 936 1st Ave, New York 942 1st Ave, New York 930 1st Ave, New York 434 E 52nd St, New York 940 1st Ave, New York 425 E 51st St, New York 32 Beekman Pl, New York

Nearby ZIP codes for Southgate Apartments Ii - 433 East 51st Street, New York, NY

10017, New York City, NY 10020, New York City, NY 10021, New York City, NY 10065, New York City, NY 10103, New York City, NY 10112, New York City, NY 10152, New York City, NY 10154, New York City, NY 10165, 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 10173, New York City, NY 10174, New York City, NY 10177, New York City, NY

Frequently asked questions

What is the year built for Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022?

The development at Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022 was built in 1930.

What is the total square footage of Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022?

Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022 has a total of 93,999 square feet.

What is the assessed value of Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022?

Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022 is currently assessed at $10,573,200.

What are the property taxes for Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022?

The property taxes for Southgate Apartments Ii - 433 East 51st Street, New York, NY 10022 total $1,090,826.

How many residential units does this building have?

This building has 81 residential unit(s).

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