Office building with commercial space · Flatiron, Manhattan

Brogan Building

27 West 20th Street, New York, NY 10011

The Brogan Building (27 West 20th Street) is a 12-floor office building with commercial space in Flatiron, Manhattan, built in 1908, with about 92,000 square feet of office space according to city records.

Also at 27-33 West 20th Street.

Office space
92K SF
Floors
12
Year built
1908
Zoning
C6-4A

The 45th largest of the 75 office buildings we track in Flatiron. Compare it with 6 neighbors

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Compared with its neighbors

How the Brogan Building compares

Next to the 6 nearest large office buildings, all within a 1 minute walk, the Brogan Building ranks 5th of 7 by office floor area. It went up in 1908; the median neighbor dates from 1909. Its estimated property tax, about $10.48 a square foot of floor area before abatements, is below the neighbors' median of $12.78.

The Brogan Building and the 6 nearest large office buildings: size, floors, year built, estimated property tax per square foot and last sale
BuildingOffice spaceFloorsBuiltTax / SFLast sale
Brogan Building, 27 West 20th StreetThis building92K SF121908$10.48n/a
38 West 21st Street1 min walk63K SF121908$14.68Jun 2025, $31M
30 West 21st Street1 min walk58K SF151907$7.99Jun 2013, $38.5M
37 West 20th Street1 min walk97K SF121910$14.82n/a
22 West 21st Street1 min walk93K SF121908$12.10n/a
Crystal Building, 40 West 20th Street1 min walk95K SF121910Exemptn/a
54 West 21st Street1 min walk110K SF121910$12.78n/a
The 45th 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

Building name
Brogan Building
Other address
27-33 West 20th Street
ZIP code
10011
Building type
Office building with commercial space (city class O6)
Total floor area
100,800 SF
Commercial floor area
100,800 SF
Office
92,400 SF
Retail
8,400 SF
Height
12 floors
Average floor
About 8,400 SF (floor area divided by floors)
Year built
1908
Lot area
9,200 SF
Zoning district
C6-4A
Built FAR
10.96
Max commercial FAR
10
Historic district
Ladies' Mile Historic District
Tax lot (BBL)
1008220015

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; building name from the NYC Landmarks Preservation Commission (below); 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 the Brogan Building 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
  • 20200 of 3
  • 20210 of 3
  • 20220 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 27 SWEST STREET LLC as the owner of record. For tax year 2026/27 the city values the Brogan Building at $24.5 million and assesses it at $11 million. After phase-ins and exemptions its taxable value is $9.73 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 $1.06 million a year before abatements, roughly $10.48 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
27 SWEST STREET LLC
Tax class
Class 4 (commercial and industrial)
City market value
$24,475,000
Land market value
$4,000,000
Assessed value
$11,013,750
Taxable value (phased in)
$9,734,310
Estimated yearly tax
About $1.06 million
Tax per SF of floor area
About $10.48

City market value by tax year

  • 2022/23$19.2 million
  • 2023/24$18.7 million
  • 2024/25$21.6 million
  • 2025/26$24.2 million
  • 2026/27$24.5 million

Market value rose 27% from 2022/23 ($19.2 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

The Brogan Building 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 54.4 kBtu per square foot, less than half the national median of 127.6 for a similar property. Its greenhouse gas emissions were about 513 metric tons of CO2e (5.09 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
54.4 kBtu/SF
National median for the type
127.6 kBtu/SF
Greenhouse gas emissions
513 t CO2e
Emissions per SF
5.09 kg CO2e
Floor area in the filing
100,800 SF
ENERGY STAR certified
2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2022, 2024, 2025

ENERGY STAR score by year

  • 202293 (A)
  • 202396 (A)
  • 202493 (A)

Energy sources in 2024

  • Fuel oil54%
  • Electricity46%

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

The Department of Buildings issued no permits for new jobs at the Brogan Building in the 12 months to September 2026; the last one was first permitted in July 2025. In the last two years, interior work was permitted on one floor (floor 1). The newest build-out, on floor 1, was first permitted in July 2025 (construction, mechanical, plumbing, sprinklers; filed cost estimate $250,000).

New jobs, last 12 months
0
Initial permits, last 12 months
0
Newest job first permitted
July 2025
Interior build-outs, last 24 months
1
Floors with interior work, last 24 months
1

Recent build-outs

  • Floor 1July 2025Construction, Mechanical, Plumbing, Sprinklers; est. $250,000; signed off

New jobs by year

  • 20211
  • 20220
  • 20230
  • 20241
  • 20251
  • 2026 to date0

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

The Brogan Building was designed by Neville & Bagge and built in 1907-1908 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
Neville & Bagge
Constructed
1907-1908
Style
neo-Renaissance
Primary material
Buff 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

Nothing is listed nearby yet. The labeled examples below show how a space appears; they are not on the market.

What a requirement here looks like

No live requirements for office space in Flatiron yet. These labeled examples show what tenants post. List a space in 27 West 20th Street and we match it against every new one automatically.

Before you sign

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Questions about Brogan Building

How big is the Brogan Building?

The Brogan Building has about 101,000 square feet of floor area in total, including 92,000 square feet of office and 8,000 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 the Brogan Building built?

The Landmarks Preservation Commission's building records date the Brogan Building to 1907-1908, designed by Neville & Bagge. The building is 12 floors tall.

Who designed the Brogan Building?

Neville & Bagge, 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 is the address of the Brogan Building?

The Brogan Building is at 27 West 20th Street in Flatiron, Manhattan. City records list 27-33 West 20th Street on the same tax lot (BBL 1008220015). A space listed on Leasemark at any of these addresses shows up on this page.

What is the ZIP code of 27 West 20th Street?

27 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 Brogan Building is at 27 West 20th Street, New York, NY 10011, in Flatiron.

What is the zoning at the Brogan Building?

The lot is in the C6-4A zoning district. PLUTO lists a built floor area ratio (FAR) of 10.96 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 the Brogan Building?

The closest subway station to the Brogan Building is 23 St (the F and M trains), about 800 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 the Brogan Building?

The NYC Department of Finance's 2026/27 assessment roll lists 27 SWEST STREET LLC as the owner of record of the Brogan Building (BBL 1008220015). Big buildings are usually held through a company set up for that one property, so the name on the roll can differ from the landlord's brand or the managing agent. Deeds and mortgages for the lot are public in ACRIS, the city's property records system.

What is the energy grade of the Brogan Building?

The Brogan Building 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 54.4 kBtu per square foot, less than half the national median of 127.6 for a similar property. Its greenhouse gas emissions were about 513 metric tons of CO2e (5.09 kg per square foot).

Is there construction at the Brogan Building?

The Department of Buildings issued no permits for new jobs at the Brogan Building in the 12 months to September 2026; the last one was first permitted in July 2025. In the last two years, interior work was permitted on one floor (floor 1). The newest build-out, on floor 1, was first permitted in July 2025 (construction, mechanical, plumbing, sprinklers; filed cost estimate $250,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1008220015. 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 the Brogan Building?

The Department of Finance's 2026/27 assessment roll lists a taxable value of $9.73 million for the Brogan Building. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $1.06 million a year, roughly $10.48 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1008220015 show the actual bill.

What is the assessed value of the Brogan Building?

For tax year 2026/27, the NYC Department of Finance puts the market value of the Brogan Building at $24.5 million ($4 million of it land) and its assessed value at $11 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 27% from 2022/23 ($19.2 million) to 2026/27.

Are there vacant storefronts at the Brogan Building?

Owners registered 3 storefronts at the Brogan Building 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 the Brogan Building?

No space at 27 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.

1,677 buildings from city records

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