New York City  »  10022  »  Park Ave  »  320 Park Ave

Mutual of America Building - 320 Park Avenue, New York, NY 10022 - Property report

Also known as: 39-51 E 50th St

Property image for Mutual of America Building - 320 Park Avenue, New York, NY 10022
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Property type

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

Year built

1994

Lot sq. ft.

30,625

Sale price

$33,072,265 - M

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
Mutual of America Building
Primary address
Mutual of America Building - 320 Park Avenue
Alternate address(es)
320-330 Park Ave
320-336 Park Ave
38-50 E 51st St
Show all
ZIP code
10022
Neighborhood
Central Midtown
Borough
Manhattan
Block & lot
01286-0035

Owner

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Building
Property type
Office Only with or without Commercial - 20 Stories or More (O4)
Building sq. ft.
656,436
Building dimensions
200.83 ft x 155 ft
Buildings on lot
1
Stories
33
Year built
1994
Building material
Sales
Sale date
02/28/2020
Sale price
$33,072,265 - M
Tax
Tax year
2026-2027
Property tax
$14,718,919
Tax class
Floor area ratio (FAR)
Commercial FAR
Residential FAR
Buildable area
Zoning & Use
Zoning
Qualified opportunity zone
Residential units
0
Residential sq. ft.
Office sq. ft.
Retail sq. ft.
Lot
Lot dimensions
200.83 ft x 155 ft
Lot sq. ft.
30,625

Area overview

Walk score
95 /100.  Walker's Paradise
Transit score
100 /100.  Rider's Paradise
Bike score
84 /100.  Very Bikeable
School district
2
Community district
5
Closest police station
0.16 Miles
Closest fire station
0.41 Miles

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

Ownership

Ownership information for Mutual of America Building - 320 Park 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 Mutual of America Building - 320 Park Avenue, New York, NY 10022

Sale date Sale price Buyer name Seller name
02/28/2020 $33,072,265 XXXXXXXXXXXX XXXXXXXXXXXXXX XXXXXXXXX XXXXXXX XXXXXXXX XXXXXXXX XXX
11/01/2017 $28,050,000 XXXXXXX XXXX XXX. XXXXX X XXXXXXXXXXXXXX XXX
01/06/2006 $15,792,259 XXX XXXXXXXXXXX XXX XXX, XXX, XX XXXXXX XX XXX XXXXXX XXXXXXXXXXXX XXX XXXXXXXXXXXX XX XXX 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
01/07/2025 - R
12/23/2024 - D		 NYC Real Property Transfer Tax
(2025010700300001)		 XXXXXX XX XXXXXXX XXXX XXXXXX XXXXXXXX XXX XXX XXXX XXXXXX XXXXXXXXXX XXX
11/10/2021 - R
11/01/2021 - D		 Deed
(2021110301435001)		 XXXXXX XX XXXXXXX XXXX XXXXXXXXX XXXXXXX XXX XXXX XXXXXX XXX
03/03/2021 - R
10/02/2020 - D		 Correction Deed
(2021022200292001)		 XXXXXXX XXXXXXXX XXXXXXXX XXX XXXXXXXXXXXX XXXXXXXXXXXXXX XXXXXXXXX
05/13/2020 - R
02/28/2020 - D		 Deed
(2020031000627001)		 XXXXXXX XXXXXXXX XXXXXXXX XXX XXXXXXXXXXXX XXXXXXXXXXXXXX XXXXXXXXX
03/04/2020 - R
02/28/2020 - D		 Deed
(2020030301029001)		 XXXXXXX XXXXXXXX XXXXXXXX XXX XXXXXXXXXXXX XXXXXXXXXXXXXX XXXXXXXXX
01/02/2018 - R
11/01/2017 - D		 NYC Real Property Transfer Tax
(2017122900276001)		 XXXXX X XXXXXXXXXXXXXX XXX XXXXXXX XXXX XXX
01/30/2009 - R
01/01/2009 - D		 NYC Real Property Transfer Tax
(2009012901179002)		 XXXXXXX XXXXX XX XXX XXXX XX XXXXXXX XXXXXXXXXXX
07/09/2008 - R
05/30/2008 - D		 NYC Real Property Transfer Tax
(2008070900539001)		 XXX XXXX XXXXXXX XXXXXXXXX XXX XXX XXXXXXXXXXXX XXXXXXXX XXXXX XX
12/28/2006 - R
12/12/2006 - D		 Deed
(2006121400521005)		 XXXXXXXX XXXXXXX XXXXXXXXXXXX XX X XXXXXXX XXXXXXXX XXXXXXXX XXX
01/17/2007 - R
01/06/2006 - D		 NYC Real Property Transfer Tax
(2006121901803001)		 XXX XXX XX XXXXXX XX XXX XXXXXX XXXXXXXXXXXX XXX XXXXXXXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for Mutual of America Building - 320 Park 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
$14,718,919
Municipal exemptions
Recent tax assessments
Market value
$307,701,000
Assessed value
$138,465,450

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 $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%
2020/21 $391,777,800 $176,300,010 $176,300,000 10.694% $18,853,522 $18,853,522 +1.67%
2019/20 $411,273,000 $185,072,850 $175,987,683 10.537% $18,543,822 $18,543,822 +1.95%
2018/19 $422,046,000 $189,920,700 $173,002,373 10.514% $18,189,469 $18,189,469 +4.62%
2017/18 $407,451,000 $183,352,950 $165,358,233 10.514% $17,385,765 $17,385,765 +4.71%
2016/17 $367,479,000 $165,365,550 $157,027,643 10.574% $16,604,103 $16,604,103 +9.25%
Permits

Permit information for Mutual of America Building - 320 Park Avenue, New York, NY

Filing date Job type Job status Job description Initial cost
06/30/2026 Alteration
05/13/2026 Alteration
05/13/2026 Alteration
05/12/2026 Alteration
05/12/2026 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
12/01/2024 Egrade-failure to post energy grade/score none
12/02/2020 E-elevator elevatorrequired
11/26/2019 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 & 51st St at SW Corner
Station lines
E-M-6
Distance (miles)
0.112
View subway map

Access the detailed traffic volume map for Mutual of America Building - 320 Park Avenue, 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

Neighbors for Mutual of America Building - 320 Park Avenue, New York, NY

39 E 51st St, New York 37 E 50th St, New York 457 Madison Ave, New York 7 E 51st St, New York 11 E 51st St, New York 485 Madison Ave, New York 18 E 50th St, New York 19 E 49th St, New York 625 5th Ave, New York 423 Madison Ave, New York 5 E 51st St, New York 40 E 52nd St, New York 455 Madison Ave, New York 48 E 50th St, New York 34 E 51st St, New York 477 Madison Ave, New York 611 5th Ave, New York 300 Park Ave, New York 437 Madison Ave, New York

Nearby ZIP codes for Mutual of America Building - 320 Park Avenue, 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 Mutual of America Building - 320 Park Avenue, New York, NY 10022?

The development at Mutual of America Building - 320 Park Avenue, New York, NY 10022 was built in 1994.

What is the market value of Mutual of America Building - 320 Park Avenue, New York, NY 10022?

The current market value of Mutual of America Building - 320 Park Avenue, New York, NY 10022 is $307,701,000.

What is the total square footage of Mutual of America Building - 320 Park Avenue, New York, NY 10022?

Mutual of America Building - 320 Park Avenue, New York, NY 10022 has a total of 656,436 square feet.

How many commercial spaces does this building have?

The number of commercial spaces in this building is 2.

How many active listings does Mutual of America Building - 320 Park Avenue, New York, NY 10022 have?

This address has 2 active listing(s).

Disclaimer

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