Want · Office
Series B fintech needs 8,000 to 12,000 SF
Posted by the tenant · Fintech
- Where
- Midtown South, Flatiron +1
- Size
- 8,000 to 12,000 SF
- Budget
- to $85/SF
- Move in
- Jan 2027
Near subwayHigh ceilings
Owners: got a fit?I have a fit
Office building with commercial space · Midtown South, Manhattan
155 West 23rd Street
New York, NY 10011
155 West 23rd Street is a 12-floor office building with commercial space in Midtown South, Manhattan, built in 1910, with about 64,000 square feet of office space according to city records.
Also at 153-157 West 23rd Street.
- Office space
- 64K SF
- Floors
- 12
- Year built
- 1910
- Zoning
- C6-3X
The 123rd largest of the 156 office buildings we track in Midtown South. Compare it with 6 neighbors
No space at 155 West 23rd Street is listed on Leasemark yet. Own or broker space here? List it free and it is matched against every active requirement the day it goes up, or import a spreadsheet of up to 50 spaces at once.
Compared with its neighbors
How 155 West 23rd Street compares
Next to the 6 nearest large office buildings, all within a 2 minute walk, 155 West 23rd Street ranks 5th of 7 by office floor area. It went up in 1910; the median neighbor dates from 1911. Its estimated property tax, about $17.04 a square foot of floor area before abatements, is above the neighbors' median of $11.66.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 155 West 23rd Street | 64K SF | 12 | 1910 | $17.04 | Sep 2015, $57.2M |
| 152 West 25th Street | 58K SF | 12 | 1911 | $6.77 | n/a |
| 150 West 25th Street | 61K SF | 12 | 1911 | $9.68 | n/a |
| 119 West 23rd Street | 89K SF | 10 | 1901 | $12.53 | n/a |
| 138 West 25th Street | 88K SF | 12 | 1911 | $10.78 | n/a |
| 119 West 24th Street | 131K SF | 12 | 1913 | $18.68 | Sep 2015, $86.6M |
| 150 West 22nd Street | 69K SF | 12 | 1910 | $13.10 | n/a |
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
- 153-157 West 23rd Street
- ZIP code
- 10011
- Building type
- Office building with commercial space (city class O6)
- Total floor area
- 68,940 SF
- Commercial floor area
- 68,940 SF
- Office
- 64,386 SF
- Retail
- 4,554 SF
- Height
- 12 floors
- Average floor
- About 5,700 SF (floor area divided by floors)
- Year built
- 1910
- Last major alteration
- 1911
- Lot area
- 5,925 SF
- Zoning district
- C6-3X
- Built FAR
- 11.64
- Max commercial FAR
- 6
- Tax lot (BBL)
- 1007990012
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 2 storefronts at 155 West 23rd 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
- 2
- Vacant that day
- 0
- Share vacant across Midtown South
- 12.7%
- Share vacant along West 23rd Street
- 10.2%
- Share vacant citywide
- 8.7%
Vacant on December 31, by year
Need a storefront in Midtown South? Get matchedStorefront vacancy across New York City
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 155 WEST 23RD STREET PROPERTIES, LLC as the owner of record. For tax year 2026/27 the city values 155 West 23rd Street at $27 million and assesses it at $12.2 million. After phase-ins and exemptions its taxable value is $10.8 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 $1.17 million a year before abatements, roughly $17.04 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
- 155 WEST 23RD STREET PROPERTIES, LLC
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $27,006,000
- Land market value
- $1,670,000
- Assessed value
- $12,152,700
- Taxable value (phased in)
- $10,827,000
- Estimated yearly tax
- About $1.17 million
- Tax per SF of floor area
- About $17.04
City market value by tax year
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 property records (ACRIS)
Sales history
155 West 23rd Street last sold in September 2015 for $57.2 million, according to the deed recorded with the city. 155 WEST 23RD STREET HOLDER LLC and 155 WEST 23RD STREET OWNER LLC sold it to HLP PROPERTIES, LLC. That comes to about $830 per square foot of floor area.
- Last sale (deed date)
- September 10, 2015
- Price
- $57,237,046
- Price per SF of floor area
- About $830
- Seller
- 155 WEST 23RD STREET HOLDER LLC and 155 WEST 23RD STREET OWNER LLC
- Buyer
- HLP PROPERTIES, LLC
- Deed recorded
- October 1, 2015
- ACRIS document
- 2015091600993011
Recorded sales
Source: NYC Department of Finance, ACRIS, Real Property Master, Legals and Parties, pulled 2026-10-02; prices as the deeds state them, names as recorded (companies and public bodies only). Shown are deeds that move the whole lot for a real price. Transfers between related companies for a nominal sum, sales of partial interests, land sales before the building went up and sales of the company that owns a building are left out.
NYC energy benchmarking (Local Law 84)
Energy score, grade and emissions
155 West 23rd Street reported an ENERGY STAR score of 87 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 50.4 kBtu per square foot, 48% below the national median of 96.3 for a similar property. Its greenhouse gas emissions were about 363 metric tons of CO2e (5.2 kg per square foot).
- ENERGY STAR score (2024)
- 87 of 100
- Grade this score earns (Local Law 33)
- A (85 or higher)
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 50.4 kBtu/SF
- National median for the type
- 96.3 kBtu/SF
- Greenhouse gas emissions
- 363 t CO2e
- Emissions per SF
- 5.2 kg CO2e
- Floor area in the filing
- 69,863 SF
- ENERGY STAR certified
- 2024
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 2026-10-02; 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 155 West 23rd Street in the 12 months to September 2026; the last one was first permitted in August 2025.
- New jobs, last 12 months
- 0
- Initial permits, last 12 months
- 0
- Newest job first permitted
- August 2025
- Interior build-outs, last 24 months
- 0
- Facade and sidewalk jobs, last 24 months
- 1
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 2026-10-02 (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.
Office space nearby in Midtown South
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 Midtown South yet. These labeled examples show what tenants post. List a space in 155 West 23rd Street and we match it against every new one automatically.
Want · Office
Startup seeking furnished sublease
Posted by the tenant · Software
- Where
- Flatiron, Midtown South +1
- Size
- 6,000 to 11,000 SF
- Budget
- to $60/SF
- Move in
- Nov 2026
Furnished
Owners: got a fit?I have a fit
Before you sign
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Questions about 155 West 23rd Street
How big is 155 West 23rd Street?
155 West 23rd Street has about 69,000 square feet of floor area in total, including 64,000 square feet of office and 5,000 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 155 West 23rd Street built?
City records list 1910 as the year built, with a major alteration recorded in 1911. The building is 12 floors tall.
What other addresses does 155 West 23rd Street have?
City records list 153-157 West 23rd Street on the same tax lot (BBL 1007990012) as 155 West 23rd Street. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 155 West 23rd Street?
155 West 23rd 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 155 West 23rd Street, New York, NY 10011, in Midtown South.
What is the zoning at 155 West 23rd Street?
The lot is in the C6-3X zoning district. PLUTO lists a built floor area ratio (FAR) of 11.64 and a maximum commercial FAR of 6 for this lot.
What subway station is closest to 155 West 23rd Street?
The closest subway station to 155 West 23rd Street is 23 St (the 1 train), about 300 feet away in a straight line, roughly 1 minute on foot. Also nearby: 23 St (the F and M trains), 2 min walk; 23 St (the C and E trains), 5 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 155 West 23rd Street?
The NYC Department of Finance's 2026/27 assessment roll lists 155 WEST 23RD STREET PROPERTIES, LLC as the owner of record of 155 West 23rd Street (BBL 1007990012). 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.
When was 155 West 23rd Street last sold?
155 West 23rd Street last sold in September 2015 for $57.2 million, according to the deed recorded with the city. 155 WEST 23RD STREET HOLDER LLC and 155 WEST 23RD STREET OWNER LLC sold it to HLP PROPERTIES, LLC. That comes to about $830 per square foot of floor area. The deed is ACRIS document 2015091600993011 (BBL 1007990012) in the city's property records. A sale of the company that owns a building is not recorded as a deed, so it would not show there.
What is the energy grade of 155 West 23rd Street?
155 West 23rd Street reported an ENERGY STAR score of 87 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 87 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 50.4 kBtu per square foot, 48% below the national median of 96.3 for a similar property. Its greenhouse gas emissions were about 363 metric tons of CO2e (5.2 kg per square foot).
Is there construction at 155 West 23rd Street?
The Department of Buildings issued no permits for new jobs at 155 West 23rd Street in the 12 months to September 2026; the last one was first permitted in August 2025. These are the Department of Buildings' DOB NOW work permits for tax lot 1007990012. 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 155 West 23rd Street?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $10.8 million for 155 West 23rd Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $1.17 million a year, roughly $17.04 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1007990012 show the actual bill.
What is the assessed value of 155 West 23rd Street?
For tax year 2026/27, the NYC Department of Finance puts the market value of 155 West 23rd Street at $27 million ($1.67 million of it land) and its assessed value at $12.2 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 51% from 2022/23 ($17.8 million) to 2026/27.
Are there vacant storefronts at 155 West 23rd Street?
Owners registered 2 storefronts at 155 West 23rd 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 155 West 23rd Street?
No space at 155 West 23rd 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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Midtown South
Transit hubs in Midtown South
- R W at 28 St
- 6 at 28 St
- F M at 23 St