Office building with commercial space · Flatiron, Manhattan

37 West 20th Street

New York, NY 10011

37 West 20th Street is a 12-floor office building with commercial space in Flatiron, Manhattan, built in 1910, with about 97,000 square feet of office space according to city records.

Also at 37-45 West 20th Street.

Office space
97K SF
Floors
12
Year built
1910
Zoning
C6-4A

The 41st largest of the 75 office buildings we track in Flatiron. Compare it with 6 neighbors

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Compared with its neighbors

How 37 West 20th Street compares

Next to the 6 nearest large office buildings, all within a 1 minute walk, 37 West 20th Street ranks 2nd of 7 by office floor area. It went up in 1910; the median neighbor dates from 1908. Its estimated property tax, about $14.82 a square foot of floor area before abatements, is above the neighbors' median of $10.48.

37 West 20th Street and the 6 nearest large office buildings: size, floors, year built, estimated property tax per square foot and last sale
BuildingOffice spaceFloorsBuiltTax / SFLast sale
37 West 20th StreetThis building97K SF121910$14.82n/a
Brogan Building, 27 West 20th Street1 min walk92K SF121908$10.48n/a
38 West 21st Street1 min walk63K SF121908$14.68Jun 2025, $31M
54 West 21st Street1 min walk110K SF121910$12.78n/a
Crystal Building, 40 West 20th Street1 min walk95K SF121910Exemptn/a
30 West 21st Street1 min walk58K SF151907$7.99Jun 2013, $38.5M
45 West 21st Street1 min walk50K SF61902$9.41n/a
The 41st largest of the 75 office buildings we track in Flatiron: see the full list

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 50,000 SF of the building's main use. Walking times are straight-line estimates.

NYC tax lot records

Building facts

Other address
37-45 West 20th Street
ZIP code
10011
Building type
Office building with commercial space (city class O6)
Total floor area
105,942 SF
Commercial floor area
105,942 SF
Office
96,942 SF
Retail
9,000 SF
Height
12 floors
Average floor
About 8,800 SF (floor area divided by floors)
Year built
1910
Lot area
9,821 SF
Zoning district
C6-4A
Built FAR
10.79
Max commercial FAR
10
Historic district
Ladies' Mile Historic District
Tax lot (BBL)
1008220009

Nearest subway

  • 23 St3 min walk · Not accessible
  • 23 St4 min walk · Not accessible
  • 14 St5 min walk · Accessible station · connects to 6 Av

Nearby large buildings

All 13 large office buildings on West 20th Street

Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-09-30; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-02. 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 37 West 20th Street for December 31, 2024, the newest annual filing the city has published, and none stood vacant that day.

Storefronts registered for December 31, 2024
3
Vacant that day
0
Share vacant across Flatiron
13.5%
Share vacant along West 20th Street
14.7%
Share vacant citywide
8.7%

Vacant on December 31, by year

  • 20190 of 3
  • 20201 of 3
  • 20211 of 3
  • 20221 of 3
  • 20230 of 3
  • 20240 of 3

Bars show the share of the lot's registered storefronts that stood vacant.

Source: NYC Department of Finance, Storefronts Reported Vacant or Not (Local Law 157), annual filings for 2019 to 2024, pulled 2026-10-02. 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 2024 filing was due June 3, 2025, 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

Owner, property tax and assessed value

The Department of Finance lists 37 WEST 20 COMPANY as the owner of record. For tax year 2026/27 the city values 37 West 20th Street at $32.2 million and assesses it at $14.5 million. After phase-ins and exemptions its taxable value is $14.5 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 $1.57 million a year before abatements, roughly $14.82 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.

Owner of record
37 WEST 20 COMPANY
Tax class
Class 4 (commercial and industrial)
City market value
$32,159,000
Land market value
$4,911,000
Assessed value
$14,471,550
Estimated yearly tax
About $1.57 million
Tax per SF of floor area
About $14.82

City market value by tax year

  • 2022/23$33.1 million
  • 2023/24$35.1 million
  • 2024/25$35.4 million
  • 2025/26$31.8 million
  • 2026/27$32.2 million

Market value fell 3% from 2022/23 ($33.1 million) to 2026/27.

How Flatiron compares: property tax per SF across NYC neighborhoods

Source: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll; owner names as the roll records them, which cuts some long names short), pulled 2026-10-02; 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.

NYC energy benchmarking (Local Law 84)

Energy score, grade and emissions

37 West 20th Street reported an ENERGY STAR score of 93 out of 100 for 2024 in its Local Law 84 benchmarking filing. Under Local Law 33 that score earns an A (85 or higher). Its site energy use came to 41.5 kBtu per square foot, less than half the national median of 98.1 for a similar property. Its greenhouse gas emissions were about 444 metric tons of CO2e (4.02 kg per square foot).

ENERGY STAR score (2024)
93 of 100
Grade this score earns (Local Law 33)
A (85 or higher)
Property type (Portfolio Manager)
Office
Site energy use intensity
41.5 kBtu/SF
National median for the type
98.1 kBtu/SF
Greenhouse gas emissions
444 t CO2e
Emissions per SF
4.02 kg CO2e
Floor area in the filing
110,512 SF

ENERGY STAR score by year

  • 202294 (A)
  • 202393 (A)
  • 202493 (A)

Energy sources in 2024

  • Electricity57%
  • Fuel oil40%
  • Natural gas3%

Share of the energy used on site, as filed.

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 2026-10-02; 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.

NYC Department of Buildings permits

Work permits and build-outs

In the 12 months to September 2026, the Department of Buildings issued first permits for 5 jobs at 37 West 20th Street. In the last two years, interior work was permitted on 5 floors (floors 1, 4 and 7 to 9 and the cellar). The newest build-out, on floor 1 and the cellar, was first permitted in August 2026 (construction; filed cost estimate $45,000).

New jobs, last 12 months
5
Initial permits, last 12 months
6
Newest job first permitted
August 2026
Interior build-outs, last 24 months
6
Floors with interior work, last 24 months
1, 4 and 7 to 9, cellar
Facade and sidewalk jobs, last 24 months
1

Recent build-outs

  • Floor 1, cellarAugust 2026Construction; est. $45,000
  • Floor 8January 2026Construction, Mechanical; 2 jobs; est. $80,000
  • Floor 7October 2025Construction; est. $39,000; signed off
  • Floor 4May 2025Construction, Mechanical, Sprinklers; est. $96,000
  • Floor 9January 2025Construction; est. $13,000; signed off
  • Floor 4January 2025Construction, Mechanical; 2 jobs; est. $95,000; signed off

New jobs by year

  • 202112
  • 202213
  • 202318
  • 20247
  • 20256
  • 2026 to date3

Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-02 (permits issued through 2026-09-30). 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.

Landmarks Preservation Commission records

Architecture and history

37 West 20th Street was designed by Sommerfeld & Steckler and built in 1909-1910 in the neo-Renaissance style. It stands in the Ladies' Mile Historic District, so exterior changes and new signage go through the Landmarks Preservation Commission.

Architect
Sommerfeld & Steckler
Constructed
1909-1910
Style
neo-Renaissance
Primary material
Red brick
Built as
Store and lofts

Source: NYC Landmarks Preservation Commission, Individual Landmark and Historic District Building Database on NYC Open Data, pulled 2026-10-02. A designation can cover part of a lot, such as a facade or a lobby interior.

Office space nearby in Flatiron

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Questions about 37 West 20th Street

How big is 37 West 20th Street?

37 West 20th Street has about 106,000 square feet of floor area in total, including 97,000 square feet of office and 9,000 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 37 West 20th Street built?

The Landmarks Preservation Commission's building records date 37 West 20th Street to 1909-1910, designed by Sommerfeld & Steckler. The building is 12 floors tall.

Who designed 37 West 20th Street?

Sommerfeld & Steckler, according to the Landmarks Preservation Commission's building records, which list the style as neo-Renaissance and its original use as store and lofts.

What other addresses does 37 West 20th Street have?

City records list 37-45 West 20th Street on the same tax lot (BBL 1008220009) as 37 West 20th Street. A space listed on Leasemark at any of these addresses shows up on this page.

What is the ZIP code of 37 West 20th Street?

37 West 20th Street is in ZIP code 10011, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 37 West 20th Street, New York, NY 10011, in Flatiron.

What is the zoning at 37 West 20th Street?

The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 10.79 and a maximum commercial FAR of 10 for this lot. It is inside the Ladies' Mile Historic District, so exterior changes go through the Landmarks Preservation Commission.

What subway station is closest to 37 West 20th Street?

The closest subway station to 37 West 20th Street is 23 St (the F and M trains), about 750 feet away in a straight line, roughly 3 minutes on foot. Also nearby: 23 St (the R and W trains), 4 min walk; 14 St (the 1, 2, 3, F, M and L trains, connected to 6 Av), 5 min walk. Walking times are straight-line estimates; the street route is longer.

Who owns 37 West 20th Street?

The NYC Department of Finance's 2026/27 assessment roll lists 37 WEST 20 COMPANY as the owner of record of 37 West 20th Street (BBL 1008220009). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.

What is the energy grade of 37 West 20th Street?

37 West 20th Street reported an ENERGY STAR score of 93 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 93 earns an A. 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 41.5 kBtu per square foot, less than half the national median of 98.1 for a similar property. Its greenhouse gas emissions were about 444 metric tons of CO2e (4.02 kg per square foot).

Is there construction at 37 West 20th Street?

In the 12 months to September 2026, the Department of Buildings issued first permits for 5 jobs at 37 West 20th Street. In the last two years, interior work was permitted on 5 floors (floors 1, 4 and 7 to 9 and the cellar). The newest build-out, on floor 1 and the cellar, was first permitted in August 2026 (construction; filed cost estimate $45,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1008220009. 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 37 West 20th Street?

The Department of Finance's 2026/27 assessment roll lists a taxable value of $14.5 million for 37 West 20th Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $1.57 million a year, roughly $14.82 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1008220009 show the actual bill.

What is the assessed value of 37 West 20th Street?

For tax year 2026/27, the NYC Department of Finance puts the market value of 37 West 20th Street at $32.2 million ($4.91 million of it land) and its assessed value at $14.5 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 3% from 2022/23 ($33.1 million) to 2026/27.

Are there vacant storefronts at 37 West 20th Street?

Owners registered 3 storefronts at 37 West 20th Street for December 31, 2024, 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 37 West 20th Street?

No space at 37 West 20th Street 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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