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304 Park Avenue South - 304 Park Ave S, New York, NY 10010 Property Information

304 Park Avenue South - 304 Park Ave S, New York, NY 10010 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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304 Park Avenue South - 304 Park Ave S, New York, NY 10010 3
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Address

Building name 304 Park Avenue South
Primary address 304 Park Avenue South - 304 Park Ave S
Secondary address 44-60 E 23rd St
Neighborhood Flatiron District
Zip code 10010
Borough Manhattan
Block & lot 00851-0041

Sales & Tax Overview for 304 Park Ave S, New York

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Purchase date 11/01/2017
Purchase price $28,050,000
Tax class
Estimated property tax $4,163,565

Lot & Building Information for 304 Park Ave S, New York

Lot sqft 15,750
Lot dimensions 83.25 ft x 175 ft
Building class Office with Commercial 7-19 Stories (O6)
Building sqft 183,815
Building dimensions 83.25 ft x 175 ft
Buildings on lot 1
Stories 12
Year built 1930
Construction type
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Zoning & Use for 304 Park Ave S, New York

Zoning
Commercial units 52
Office sqft
Retail sqft
Conversion feasibility index

Area Overview

Walk Score
Transit Score
Bike Score


School district 2
Community district 5
Closest police station 0.61 Miles
Closest fire station 0.24 Miles

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 304 Park Ave S, New York

New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:

Floor area ratio (FAR) for 304 Park Avenue South - 304 Park Ave S, New York, NY 10010, including commercial and residential FAR, FAR as built and usable floor area.
Development maps such as planimetric, zoning, urban landscape, and HPD alternative enforcement program maps.
Violations for 304 Park Avenue South - 304 Park Ave S, New York, NY 10010, including DOB violations, ECB violations, HPD violations and 311 complaints.

Alternate Addresses

You will find all alternate addresses for the property in this section.

  • 44-60 E 23rd St, New York, NY 10010
  • 304-306 Park Ave S, New York, NY 10010
  • 304-306 Pas, New York, NY 10010

About 304 Park Ave S, New York

How many sq. ft. does 304 Park Avenue South - 304 Park Ave S, New York, NY 10010 have & what is the price per sq. ft?

This Office with Commercial 7-19 Stories (O6) located at 304 Park Avenue South - 304 Park Ave S, New York, NY 10010 has a total of 183,815 square feet and a current price per square foot of $152.

What is the year built & the current market value of 304 Park Avenue South - 304 Park Ave S, New York, NY 10010?

304 Park Avenue South - 304 Park Ave S, New York, NY 10010 was built in 1930 and has a current tax assessor's market value of $90,078,000.

How many commercial spaces does this building have?

This building has 52 commercial spaces available for lease. There are 1 active listings at this address.

Ownership Information for 304 Park Ave S, New York

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Property owner name for 304 Park Avenue South - 304 Park Ave S, New York, NY 10010
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Building contacts for 304 Park Avenue South - 304 Park Ave S, New York, NY 10010
Building management:
Representatives (from permits):
Tenants:

Spaces for Lease in 304 Park Ave S, New York

304 Park Avenue South
Listing type For Lease
Last updated 05/07/2026
Lot size 0.36 Acre
View Listing

Brokers

Howard J. Tenenbaum
Gary M. Rosen
Siena Green
Spaces
Suite name Space type Lease rate Available space Brokers
7th Floor General Office Listing price not available 18,032 Gary M. Rosen
Howard J. Tenenbaum
Siena Green
Active Listings For This Property:
For Lease 304 Park Avenue South
304 Park Avenue South
304 Park Ave S, New York
Property General Office
Availability 1 Spaces listed / 18032 Sqft
Price Listing price not available
Real Estate Reports:
Laura Pop-Badiu, Dec 11, 2025 How to Build Property Owner Lists: Steps, Pro Tips & What to Avoid
In this guide, we’ll walk you step by step through how to build property owner lists inside the PropertyShark platform, how to customize them for your goals and how to avoid common mistakes.
Laura Pop-Badiu, Sep 10, 2025 How to Find Comps for Commercial Real Estate: A Step-by-Step GuideĀ 
Explore the key features that professionals should look for when investing in a data provider for commercial real estate comps, follow our step-by-step guide on how to leverage PropertyShark to find comparables, and discover the most frequently asked questions on the topic.
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Past Sales & Property History for 304 Park Ave S, New York

Create a free account to view the complete sales history for 304 Park Ave S, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.

Purchase date Purchase price Buyer name Seller name
11/01/2017 $28,050,000
06/01/2012 $67,049,100
06/01/2012 $24,447,224
       
       
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*Here are the three most recent sales for this property.

Title Documents for 304 Park Ave S, New York

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Doc image
08/28/2025 - D
12/23/2025 - R
NYC Real Property Transfer Tax
(2025092900954001)
06/15/2022 - D
07/06/2022 - R
Partial Release of Mortgage
(2022062801295009)
06/15/2022 - D
07/06/2022 - R
Mortgage Spreader Agreement
(2022062801295008)
11/01/2017 - D
01/02/2018 - R
NYC Real Property Transfer Tax
(2017122900276001)
06/01/2012 - D
06/15/2012 - R
Agreement
(2012060900037008)
06/01/2012 - D
06/15/2012 - R
Assignment, Mortgage
(2012060900037007)
06/01/2012 - D
06/15/2012 - R
Deed
(2012060900037006)
06/01/2012 - D
06/15/2012 - R
Deed
(2012060900037005)
06/01/2012 - D
06/15/2012 - R
Termination of Assign of L&R
(2012060900037002)
05/31/2012 - D
06/19/2012 - R
Both RPTT and RETT
(2012060800440002)
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R: Recorded date
D: Document date

Property Taxes for 304 Park Ave S, New York

Access detailed property tax data for 304 Park Avenue South - 304 Park Avenue South - 304 Park Ave S, New York, NY 10010. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax: $3,853,242
Estimated property tax: $4,163,565
Tax assessor's market value: $90,078,000
Assessed value: $40,535,100

Assessment History for 304 Park Ave S, New York

Here's the assessment & property tax history for 304 Park Ave S, New York, including the evolution of the total tax rate and corresponding property tax.

Year Market value Assessed value Taxable Tax rate % Base tax Property tax Year over year change
2025/26 $90,078,000 $40,535,100 $35,520,300 10.848% $3,853,242 $3,853,242 +3.56%
2024/25 $88,248,000 $39,711,600 $34,573,280 10.762% $3,720,776 $3,720,776 +3.18%
2023/24 $79,718,000 $35,873,100 $34,045,340 10.592% $3,606,082 $3,606,082 +3.76%
2022/23 $72,542,000 $32,643,900 $32,643,900 10.646% $3,475,270 $3,475,270 +12.05%
2021/22 $64,084,000 $28,837,800 $28,837,800 10.755% $3,101,505 $3,101,505 -14.66%

Permits for 304 Park Ave S, New York

The complete history of permits filed for 304 Park Ave S, New York, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Filing date Job type Job status Job description Initial cost
04/28/2026 Alteration
09/10/2025 Alteration
02/19/2025 Alteration
02/19/2025 Alteration
12/03/2024 Alteration
09/24/2024 Alteration
09/24/2024 Alteration
07/31/2024 Alteration
07/30/2024 Alteration
07/30/2024 Alteration
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Manhattan Commercial Market Stats

Access a detailed real estate market overview of Manhattan so you can assess current trends, property values, types of properties sold and transaction volume. View the median price per sqft in Manhattan and compare it to other boroughs in New York City.

Median Price/Sqft Q1/2026
$680
4.4% YoY
Median Price/Sqft Q4/2025
$550
-15.8% YoY
Median Price/Sqft 2025
$607
-2.5% YoY

Check out recently sold homes in Manhattan and see how their prices compare.

Risk

FEMA flood zone(s): X (See more on map)

Transportation

Distance to Subway
Closest station Park Ave & 23rd St at SW Corner
Station lines 6
Distance (miles) 0.018
View subway map
Bus Routes
Name E 23 St / Park Av S
Line M23+
Distance (miles) 0.025

Neighbors for 304 Park Ave S, New York

Here are the neighbors for 304 Park Avenue South - 304 Park Avenue South - 304 Park Ave S, New York, NY 10010.

Address Square feet Purchase date Purchase price
10 E 22nd St, New York 10,250
280 Park Ave S, New York 253,543
42 E 23rd St, New York 17,078 10/04/1993
38 E 23rd St, New York 8,216 04/22/1999
34 E 23rd St, New York 10,975 11/15/2001
16 E 23rd St, New York 13,837 07/17/1981
36 E 23rd St, New York 24,038 12/07/2000
24 E 22nd St, New York 17,840
935 Broadway, New York 57,440 10/15/1973
30 E 23rd St, New York 22,512 05/19/2017
28 E 23rd St, New York 2,470 11/15/2001
300 Park Ave S, New York 168,200 11/01/2017 $28,050,000
21 E 22nd St, New York 149,276 06/30/1982
18 E 23rd St, New York 10,889 12/15/2017 $13,500,000
33 E 22nd St, New York 32,415 04/30/2015 $590,000
32 E 23rd St, New York 4,688 11/15/2001
26 E 23rd St, New York 4,800 05/14/2008 $1,500,000
175 5th Ave, New York 183,449 10/25/2023 $40,250,000
936 Broadway, New York 61,147
25 E 21st St, New York 33,120
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