Office building with commercial space · Midtown South, Manhattan
401 Park Avenue South
New York, NY 10016
401 Park Avenue South is a 12-floor office building with commercial space in Midtown South, Manhattan, built in 1910, with about 232,000 square feet of office space according to city records.
Also at 100-112 East 28th Street and 395-401 Park Avenue South.
- Office space
- 232K SF
- Floors
- 12
- Year built
- 1910
- Zoning
- C6-4A
The 19th largest of the 184 office buildings we track in Midtown South. Compare it with 6 neighbors
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Compared with its neighbors
How 401 Park Avenue South compares
Next to the 6 nearest large office buildings, all within a 1 minute walk, 401 Park Avenue South is the largest by office floor area. It went up in 1910; the median neighbor dates from 1913. Its estimated property tax, about $14.03 a square foot of floor area before abatements, is above the neighbors' median of $12.28.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 401 Park Avenue South | 232K SF | 12 | 1910 | $14.03 | n/a |
| 387 Park Avenue South | 158K SF | 12 | 1910 | $20.05 | Sep 2005, $68M |
| 121 East 27th Street | 50K SF | 10 | 1912 | $9.95 | n/a |
| 381 Park Avenue South | 191K SF | 16 | 1910 | $12.55 | Nov 2025, $104M (2 lots) |
| 419 Park Avenue South | 149K SF | 20 | 1927 | $12.02 | Aug 2024, $72.2M |
| 116 East 27th Street | 67K SF | 12 | 1915 | $10.33 | n/a |
| 386 Park Avenue South | 225K SF | 20 | 1927 | $17.71 | Jan 2015, $202M |
Sources: NYC Department of City Planning, PLUTO 26v2 for size, floors and year built; NYC Department of Finance 2026/27 roll for tax (taxable value times the class rate, before abatements, over the whole floor area); ACRIS for the last deed that moved the whole lot for a real price (a price for several lots is their combined price; condominiums sell by the unit and show n/a). Large means at least 35,000 SF of the building's main use. Walking times are straight-line estimates.
NYC tax lot records
Building facts
- Other addresses
- 100-112 East 28th Street; 395-401 Park Avenue South
- ZIP code
- 10016
- Building type
- Office building with commercial space (city class O6)
- Total floor area
- 248,566 SF
- Commercial floor area
- 248,566 SF
- Office
- 232,000 SF
- Retail
- 16,566 SF
- Height
- 12 floors
- Average floor
- About 20,700 SF (floor area divided by floors)
- Year built
- 1910
- Last major alteration
- 2010
- Lot area
- 18,268 SF
- Zoning district
- C6-4A
- Built FAR
- 13.61
- Max commercial FAR
- 10
- Tax lot (BBL)
- 1008830088
Nearest subway
- 28 St
- 33 St
- 23 St-Baruch College
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-16; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-16. Floor areas are the city's estimates for the whole building, not available space. Walking times are straight-line estimates. How we build these pages. Something wrong on this page? Tell us.
NYC storefront registry (Local Law 157)
Storefronts and vacancy
Owners registered 3 storefronts at 401 Park Avenue South for December 31, 2025, the newest annual filing the city has published, and none stood vacant that day.
- Storefronts registered for December 31, 2025
- 3
- Vacant that day
- 0
- Share vacant across Midtown South
- 11.9%
- Share vacant along Park Avenue South
- 23.4%
- Share vacant citywide
- 9.2%
Vacant on December 31, by year
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Source: NYC Department of Finance, Storefronts Reported Vacant or Not (Local Law 157), annual filings for 2019 to 2025, pulled 2026-10-16. Owners of buildings with ground- or second-floor storefronts register each one every year with its status on December 31; counts are by tax lot, as the owners filed them. The 2025 filing was due June 1, 2026, so a storefront vacant then may have been leased since. A vacant storefront is not always on the market, and none here is listed on Leasemark unless it shows above.
NYC Department of Finance records
Property tax and assessed value
For tax year 2026/27 the city values 401 Park Avenue South at $79.5 million and assesses it at $35.8 million. After phase-ins and exemptions its taxable value is $32.2 million; at the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists) that comes to about $3.49 million a year before abatements, roughly $14.03 per square foot of floor area. Commercial leases here often pass a tenant's share of tax increases over a base year through as additional rent.
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $79,501,000
- Land market value
- $18,268,000
- Assessed value
- $35,775,450
- Taxable value (phased in)
- $32,155,130
- Estimated yearly tax
- About $3.49 million
- Tax per SF of floor area
- About $14.03
City market value by tax year
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Source: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll), pulled 2026-10-16; tax rate from the Department of Finance tax rates page, checked 2026-09-28. The estimate is the taxable value times the class rate. It leaves out abatements, payment-in-lieu-of-taxes agreements and charges, so the actual bill can differ.
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NYC energy benchmarking (Local Law 84)
Energy score, grade and emissions
401 Park Avenue South reported an ENERGY STAR score of 52 out of 100 for 2024 in its Local Law 84 benchmarking filing. Under Local Law 33 that score earns a D (under 55). Its site energy use came to 94.4 kBtu per square foot, about the same as the national median of 97.9 for a similar property. Its greenhouse gas emissions were about 2,209 metric tons of CO2e (8.89 kg per square foot).
- ENERGY STAR score (2024)
- 52 of 100
- Grade this score earns (Local Law 33)
- D (under 55)
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 94.4 kBtu/SF
- National median for the type
- 97.9 kBtu/SF
- Greenhouse gas emissions
- 2,209 t CO2e
- Emissions per SF
- 8.89 kg CO2e
- Floor area in the filing
- 248,567 SF
ENERGY STAR score by year
Energy sources in 2024
Source: NYC Department of Buildings and Mayor's Office of Climate and Environmental Justice, NYC Building Energy and Water Data Disclosure for Local Law 84 (2024 filing), pulled 2026-10-16; grade cutoffs from the Department of Buildings energy grades page. Figures are as the owner filed them in ENERGY STAR Portfolio Manager. The grade is the one the filed score earns under the law's cutoffs; the Department of Buildings assigns the grade a building posts, which can differ.
Local Law 97 of 2019, estimated
Local Law 97 emissions limit
At its 2024 energy use, 401 Park Avenue South comes to about 1,850 metric tons of CO2e a year under Local Law 97's coefficients, against a limit of 1,884 tons for 2024 to 2029 (98% of the limit), so it would owe no penalty. From 2030 the limit drops to 669 tons and the same energy use counts as about 1,352 tons, about 684 tons over, or an estimated $183,000 a year unless the building cuts its emissions.
- Period
- 2024 to 2029
- Emissions limit
- 1,884 t CO2e
- Estimated emissions
- 1,850 t CO2e
- Under the limit by
- 34 t CO2e
- Estimated penalty a year
- None
- Period
- 2030 to 2034
- Emissions limit
- 669 t CO2e
- Estimated emissions
- 1,352 t CO2e
- Over the limit by
- 684 t CO2e
- Estimated penalty a year
- $183,000
Estimated from the owner's 2024 Local Law 84 filing, which reports energy by source and floor area by use: Office 248,567 SF. It applies the coefficients and per-use limits in Department of Buildings rule 1 RCNY 103-14 and Administrative Code 28-320.3.1.1 (as the Department lists them) and the $268 per ton penalty, checked 2026-10-04. It is not the building's Local Law 97 report: that report can count renewable energy credits, solar and storage deductions and, for 2024 and 2025, the law's occupancy group limits where higher, and penalties can be reduced for good faith efforts.
Change these numbers in the Local Law 97 calculator to see what a cut in energy use would do to the penalty.
How Local Law 97 works: who is covered, the 2030 limits and what owners, tenants and buyers should check.
Own or manage 401 Park Avenue South? List a space here free and we match it against every active requirement.
NYC Department of Buildings permits
Work permits and build-outs
In the 12 months to October 2026, the Department of Buildings issued first permits for 2 jobs at 401 Park Avenue South. In the last two years, interior work was permitted on 3 floors (floors 5 to 7). The newest build-out, on floors 6 and 7, was first permitted in June 2026 (construction; filed cost estimate $300,000). A sidewalk shed permit here is active until October 31, 2026.
- New jobs, last 12 months
- 2
- Initial permits, last 12 months
- 3
- Newest job first permitted
- June 2026
- Interior build-outs, last 24 months
- 2
- Floors with interior work, last 24 months
- 5 to 7
- Facade and sidewalk jobs, last 24 months
- 2
- Sidewalk shed permit
- Active until Oct 31, 2026
Recent build-outs
New jobs by year
Build-outs across Midtown SouthWhere NYC offices are being built out
Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-24 (permits issued through 2026-10-22). A job counts once, when its first permit is issued; renewals are not new work. A build-out groups jobs on the same floors first permitted within 120 days of each other. Costs are the estimates filed with the jobs. Jobs filed before DOB NOW (in the older BIS system) are not counted. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
No office space listed in Midtown South yet
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Before you sign
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Questions about 401 Park Avenue South
How big is 401 Park Avenue South?
401 Park Avenue South has about 249,000 square feet of floor area in total, including 232,000 square feet of office and 17,000 square feet of retail, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 401 Park Avenue South built?
City records list 1910 as the year built, with a major alteration recorded in 2010. The building is 12 floors tall.
What other addresses does 401 Park Avenue South have?
City records list 100-112 East 28th Street and 395-401 Park Avenue South on the same tax lot (BBL 1008830088) as 401 Park Avenue South. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 401 Park Avenue South?
401 Park Avenue South is in ZIP code 10016, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 401 Park Avenue South, New York, NY 10016, in Midtown South.
What is the zoning at 401 Park Avenue South?
The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 13.61 and a maximum commercial FAR of 10 for this lot.
What subway station is closest to 401 Park Avenue South?
The closest subway station to 401 Park Avenue South is 28 St (the 6 train), about 150 feet away in a straight line, roughly 1 minute on foot. The MTA lists it as partly accessible. Also nearby: 33 St (the 6 train), 5 min walk; 23 St-Baruch College (the 6 train), 5 min walk. Walking times are straight-line estimates; the street route is longer.
What is the energy grade of 401 Park Avenue South?
401 Park Avenue South reported an ENERGY STAR score of 52 for calendar year 2024 in its Local Law 84 benchmarking filing. Under Local Law 33, as amended by Local Law 95 of 2019, a score of 85 or higher earns an A, 70 to 84 a B, 55 to 69 a C and under 55 a D, so 52 earns a D. The Department of Buildings assigns the grade a building posts, so the posted label can differ if a filing was corrected. Its site energy use came to 94.4 kBtu per square foot, about the same as the national median of 97.9 for a similar property. Its greenhouse gas emissions were about 2,209 metric tons of CO2e (8.89 kg per square foot).
Does 401 Park Avenue South meet Local Law 97?
At its 2024 energy use, 401 Park Avenue South comes to about 1,850 metric tons of CO2e a year under Local Law 97's coefficients, against a limit of 1,884 tons for 2024 to 2029 (98% of the limit), so it would owe no penalty. From 2030 the limit drops to 669 tons and the same energy use counts as about 1,352 tons, about 684 tons over, or an estimated $183,000 a year unless the building cuts its emissions. This is an estimate from the owner's 2024 benchmarking filing using the coefficients and per-use limits in the law and the Department of Buildings rule, at $268 per ton over. It is not the building's Local Law 97 report, which can count credits and deductions this estimate cannot.
Is there construction at 401 Park Avenue South?
In the 12 months to October 2026, the Department of Buildings issued first permits for 2 jobs at 401 Park Avenue South. In the last two years, interior work was permitted on 3 floors (floors 5 to 7). The newest build-out, on floors 6 and 7, was first permitted in June 2026 (construction; filed cost estimate $300,000). A sidewalk shed permit here is active until October 31, 2026. These are the Department of Buildings' DOB NOW work permits for tax lot 1008830088. A permit is approval to do the work; it does not say who the work is for or whether it is finished.
What are the property taxes at 401 Park Avenue South?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $32.2 million for 401 Park Avenue South. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $3.49 million a year, roughly $14.03 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1008830088 show the actual bill.
What is the assessed value of 401 Park Avenue South?
For tax year 2026/27, the NYC Department of Finance puts the market value of 401 Park Avenue South at $79.5 million ($18.3 million of it land) and its assessed value at $35.8 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 4% from 2022/23 ($76.8 million) to 2026/27.
Are there vacant storefronts at 401 Park Avenue South?
Owners registered 3 storefronts at 401 Park Avenue South for December 31, 2025, the newest annual filing the city has published, and none stood vacant that day. These are the owners' filings with the Department of Finance under Local Law 157, so a storefront may have come free since. Owners and brokers can list a storefront on Leasemark for free.
Is there office space for lease at 401 Park Avenue South?
No space at 401 Park Avenue South is listed on Leasemark right now. Owners and brokers can list space here for free, and tenants can post a requirement to be matched when space opens up.
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Midtown South
Transit hubs in Midtown South
- R W at 28 St
- 6 at 28 St
- F M at 23 St