| Building name | Mutual of America Building |
| Primary address | Mutual of America Building - 320 Park Avenue |
| Secondary address | 39-51 E 50th St |
| Neighborhood | Central Midtown |
| Zip code | 10022 |
| Borough | Manhattan |
| Block & lot | 01286-0035 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Purchase date | 02/28/2020 |
| Purchase price | $33,072,265 |
| Tax class | Register |
| Estimated property tax | $14,718,918 |
| Lot sq. ft. | 30,625 |
| Lot dimensions | |
| Property type | Office Only with or without Commercial - 20 Stories or More (O4)
|
| Building sqft | 656,436 |
| Building dimensions |
| Buildings on lot | 1 |
| Stories | 33 |
| Year built | 1994 |
| School district | 2 |
| Community district | 5 |
| Closest police station | 0.16 Miles |
| Closest fire station | 0.41 Miles |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
New York property reports include comprehensive occupancy, development and violation information. Create a free account to access valuable data points such as:
You will find all alternate addresses for the property in this section.
This Office Only with or without Commercial - 20 Stories or More (O4) located at Mutual of America Building - 320 Park Avenue, New York, NY 10022 has a total of 656,436 square feet.
What is the year built & the current market value of Mutual of America Building - 320 Park Avenue, New York, NY 10022?Mutual of America Building - 320 Park Avenue, New York, NY 10022 was built in 1994 and has a current tax assessor's market value of $303,224,000.
How many commercial spaces does this building have?This building has 2 commercial spaces available for lease. There are 2 active listings at this address.
View property contacts like owners, building management, representatives from permits and tenants with a free account. For LLC-owned properties, access manually researched real owners and phone numbers.
| Listing type | For Lease |
|---|---|
| Last updated | 04/29/2026 |
| Lot size | 0.7 Acre |
| Suite name | Space type | Lease rate | Available space | Brokers |
|---|---|---|---|---|
| 17th Floor | General Office | Listing price not available | 19,274 | David Kleiner Frank Doyle |
| 30th Floor | General Office | Listing price not available | 3,112 | David Kleiner Frank Doyle |
Create a free account to view the complete sales history for 320 Park Avenue, New York, including title documents, transfer conditions, mortgages, liens, and pre-foreclosures.
*Here are the three most recent sales for this property.
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.
R: Recorded date
D: Document date
Access detailed property tax data for Mutual of America Building - Mutual of America Building - 320 Park Avenue, New York, NY 10022. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Property tax: | $14,632,885 |
| Estimated property tax: | $14,718,918 |
| Tax assessor's market value: | $303,224,000 |
| Assessed value: | $136,450,800 |
Here's the assessment & property tax history for 320 Park Avenue, 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 | $303,224,000 | $136,450,800 | $134,890,160 | 10.848% | $14,632,885 | $14,632,885 | +1.09% |
| 2024/25 | $298,888,900 | $134,500,000 | $134,500,000 | 10.762% | $14,474,890 | $14,474,890 | -5.95% |
| 2023/24 | $322,888,900 | $145,300,000 | $145,300,000 | 10.592% | $15,390,176 | $15,390,176 | -7.92% |
| 2022/23 | $348,888,900 | $157,000,005 | $157,000,000 | 10.646% | $16,714,220 | $16,714,220 | -7.35% |
| 2021/22 | $372,755,000 | $167,739,750 | $167,739,750 | 10.755% | $18,040,410 | $18,040,410 | -4.31% |
The complete history of permits filed for 320 Park Avenue, 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.
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.
Check out recently sold homes in Manhattan and see how their prices compare.
| FEMA flood zone(s): | X (See more on map) |
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Distance to Subway
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| Closest station | Lexington Ave & 51st St at SW Corner | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Station lines | E-M-6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.112 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bus Routes
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| Name | E 50 St/Madison Av | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line | M50 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Distance (miles) | 0.062 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Here are the neighbors for Mutual of America Building - Mutual of America Building - 320 Park Avenue, New York, NY 10022.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 39 E 51st St, New York | 10,974 | 06/20/2023 | $40,000,000 |
| 37 E 50th St, New York | 11,500 | 04/30/2026 | $491,100,000 |
| 457 Madison Ave, New York | 22,350 | 04/30/2026 | $491,100,000 |
| 7 E 51st St, New York | 13,000 | 05/30/1973 | |
| 11 E 51st St, New York | 13,349 | 11/01/2017 | $28,050,000 |
| 485 Madison Ave, New York | 244,668 | 11/01/2017 | $28,050,000 |
| 18 E 50th St, New York | 58,342 | 12/31/1980 | |
| 19 E 49th St, New York | 7,500 | 06/16/1996 | |
| 625 5th Ave, New York | 90,700 | ||
| 423 Madison Ave, New York | 8,740 | 04/22/1999 | |
| 5 E 51st St, New York | 14,708 | 02/15/2019 | $44,000,000 |
| 40 E 52nd St, New York | 360,000 | 10/07/1998 | |
| 455 Madison Ave, New York | 832,240 | 04/30/2026 | $491,100,000 |
| 48 E 50th St, New York | 07/15/2003 | ||
| 34 E 51st St, New York | 74,455 | 12/05/2019 | |
| 477 Madison Ave, New York | 262,287 | 06/27/2019 | $155,368,000 |
| 611 5th Ave, New York | 1,042,944 | ||
| 300 Park Ave, New York | 645,483 | 10/02/2020 | |
| 437 Madison Ave, New York | 836,660 | 11/01/2017 | $28,050,000 |
