New York City  »  10017  »  3rd Ave  »  733 3rd Ave

Diamond National Building - 733 3rd Avenue, New York, NY 10017 - Property report

Also known as: 733 A 3rd Ave

Property image for Diamond National Building - 733 3rd Avenue, New York, NY 10017
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Property type

Office Only with or without Commercial - 20 Stories or More (O4)

Year built

1960

Lot sq. ft.

25,768

Sale price

$5,000,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Building name
Diamond National Building
Primary address
Diamond National Building - 733 3rd Avenue
Alternate address(es)
11 Grand Central E
200 E 46th St
210 E 46th St
Show more
ZIP code
10017
Neighborhood
Turtle Bay
Borough
Manhattan
Block & lot
01319-0047

Owner

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Building
Property type
Office Only with or without Commercial - 20 Stories or More (O4)
Building sq. ft.
405,399
Building dimensions
101 ft x 237 ft
Buildings on lot
1
Stories
23
Year built
1960
Last altered
2004
Building material
Sales
Sale date
12/15/2025
Sale price
$5,000,000
Tax
Tax year
2026-2027
Property tax
$5,965,510
Tax class
Zoning & Use
Zoning
Commercial units
20
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
101 ft x 237.17 ft
Lot sq. ft.
25,768
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Current built area
405,331 sq. ft.
Buildable area

Area overview

Walk score
100 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
81 /100.  Very Bikeable
School district
2
Community district
6
Closest police station
0.26 Miles
Closest fire station
0.27 Miles

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

Ownership

Ownership information for Diamond National Building - 733 3rd Avenue, 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 Diamond National Building - 733 3rd Avenue, New York, NY 10017

Sale date Sale price Buyer name Seller name
12/15/2025 $5,000,000 XXX XXX XXXXX XXX XXXXXX XXXXX, XXX.
12/15/2025 $10 XXXX XXX XXXXXXXXXX XX XXX XXXX XXX XXXXXXXXXX XX XXX

*Most recent sales on record for this property.

More about New York City property records.

Title documents

Date Type Amount Party 1 Party 2
01/05/2026 - R
12/15/2025 - D		 Easement
(2025121801216006)		 XXXXXX XXXXX XXX XXX XXX XXXXX XXX
01/05/2026 - R
12/15/2025 - D		 Memorandum of Lease
(2025121801216005)		 XXX XXX XXXXX XXX XXXXXX XXXXX XXX
01/05/2026 - R
12/15/2025 - D		 Deed, Other
(2025121801216003)		 XXXX XXX XXXXXXXXXX XX XXX XXXX XXX XXXXXXXXXX XX XXX
01/05/2026 - R
12/15/2025 - D		 Deed
(2025121801216002)		 XXXXXX XXXXX XXX XXX XXX XXXXX XXX
01/05/2026 - R
12/15/2025 - D		 Assignment of Lease
(2025121801216001)		 XXXXXX XXXXX XXX XXX XXX XXXXX XXX
11/25/2025 - R
11/10/2025 - D		 Mortgage
(2025111700733010)		 XXXX XXX XXXXXXXXXX XX XXX XXXXXXXX X X
11/25/2025 - R
11/10/2025 - D		 Agreement
(2025111700733008)		 XXXX XXX XXXXXXXXX XXX XXXXXXXX X X
05/21/2025 - R UCC3 Termination
(2025052000240009)		 XXXX XXX XXXXXXXXXX XX XXX X X XXXX XXXXXXXX XXXXXXXXXXX
05/21/2025 - R
05/08/2025 - D		 Sundry Agreement
(2025052000240015)		 XXX XXXX XXXXXXXXXXXX XXXXXXXXX XXXXXX XXXXX XXXXXXXX X X
05/21/2025 - R
05/08/2025 - D		 Assignment of Leases and Rents
(2025052000240011)		 XXXX XXX XXXXXXXXX XXX XXXXXXXX X X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Diamond National Building - 733 3rd 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
$5,965,510
Municipal exemptions
Recent tax assessments
Market value
$122,204,000
Assessed value
$54,991,800

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 $120,812,000 $54,365,400 $54,365,400 10.848% $5,897,559 $5,897,559 +1.78%
2024/25 $119,642,000 $53,838,900 $53,838,900 10.762% $5,794,142 $5,794,142 -2.40%
2023/24 $124,551,000 $56,047,950 $56,047,950 10.592% $5,936,599 $5,936,599 -8.29%
2022/23 $135,123,000 $60,805,350 $60,805,350 10.646% $6,473,338 $6,473,338 -1.92%
2021/22 $138,178,000 $62,180,100 $61,367,310 10.755% $6,600,054 $6,600,054 +0.60%
2020/21 $150,833,000 $67,874,850 $61,349,580 10.694% $6,560,724 $6,560,724 +6.65%
2019/20 $139,861,000 $62,937,450 $58,381,830 10.537% $6,151,693 $6,151,693 +3.31%
2018/19 $134,206,000 $60,392,700 $56,634,750 10.514% $5,954,578 $5,954,578 +5.18%
2017/18 $129,614,000 $58,326,300 $53,846,820 10.514% $5,661,455 $5,661,455 +7.25%
2016/17 $127,148,000 $57,216,600 $49,922,370 10.574% $5,278,791 $5,278,791 +8.21%
Permits

Permit information for Diamond National Building - 733 3rd Avenue, New York, NY

Filing date Job type Job status Job description Initial cost
09/30/2026 Alteration
09/30/2026 Alteration
09/30/2026 Alteration
09/30/2026 Alteration
03/23/2026 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
05/11/2022 Aeuhaz1-fail to certify class 1 none
04/04/2022 C-construction
07/12/2021 E-elevator

*Most recent DOB violations on record for this property.

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

Property location map
FEMA flood zones
X

Hurricane evacuation zones

Property location map
Hurricane evacuation zones
-

Subway & traffic

Closest station
Lexington Ave & 43rd St at SE Corner
Station lines
GS-4-5-6-7
Distance (miles)
0.178
View subway map

Access the detailed traffic volume map for Diamond National Building - 733 3rd Avenue, New York, NY 10017 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 Diamond National Building - 733 3rd Avenue, New York, NY

729 3rd Ave, New York 215 E 45th St, New York 723 3rd Ave, New York 203 E 45th St, New York 222 E 46th St, New York 725 3rd Ave, New York 224 E 47th St, New York 241 E 46th St, New York 240 E 47th St, New York 244 E 46th St, New York 847 2nd Ave, New York 213 E 45th St, New York 234 E 46th St, New York 231 E 46th St, New York 235 E 46th St, New York 721 3rd Ave, New York 843 2nd Ave, New York 240 E 46th St, New York 219 E 46th St, New York

Nearby ZIP codes for Diamond National Building - 733 3rd Avenue, New York, NY

10016, New York City, NY 10020, New York City, NY 10022, New York City, NY 10103, New York City, NY 10110, 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 Diamond National Building - 733 3rd Avenue, New York, NY 10017?

The development at Diamond National Building - 733 3rd Avenue, New York, NY 10017 was built in 1960.

What is the market value of Diamond National Building - 733 3rd Avenue, New York, NY 10017?

The current market value of Diamond National Building - 733 3rd Avenue, New York, NY 10017 is $122,204,000.

What is the total square footage of Diamond National Building - 733 3rd Avenue, New York, NY 10017?

Diamond National Building - 733 3rd Avenue, New York, NY 10017 has a total of 405,399 square feet.

What is the price per square foot for this property?

$12 per square foot is the price for Diamond National Building - 733 3rd Avenue, New York, NY 10017.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 20.

How many active listings does Diamond National Building - 733 3rd Avenue, New York, NY 10017 have?

This address has 8 active listing(s).

Disclaimer

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