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
143 West 29th Street
New York, NY 10001
143 West 29th Street is a 12-floor office building with commercial space in Midtown South, Manhattan, built in 1912, with about 54,000 square feet of office space according to city records.
Also at 143-145 West 29th Street.
- Office space
- 54K SF
- Floors
- 12
- Year built
- 1912
- Zoning
- M1-9A/R12
The 145th largest of the 156 office buildings we track in Midtown South. Compare it with 6 neighbors
No space at 143 West 29th 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 143 West 29th Street compares
Next to the 6 nearest large office buildings, all within a 1 minute walk, 143 West 29th Street is the smallest by office floor area. It went up in 1912; the median neighbor dates from 1911. Its estimated property tax, about $9.84 a square foot of floor area before abatements, is below the neighbors' median of $10.38.
| Building | Office space | Floors | Built | Tax / SF |
|---|---|---|---|---|
| 143 West 29th Street | 54K SF | 12 | 1912 | $9.84 |
| 135 West 29th Street | 72K SF | 12 | 1911 | $12.65 |
| 129 West 29th Street | 78K SF | 12 | 1911 | $12.70 |
| 134 West 29th Street | 108K SF | 12 | 1910 | $7.68 |
| 146 West 29th Street | 76K SF | 12 | 1910 | $9.33 |
| 144 West 30th Street | 206K SF | 20 | 1926 | $11.44 |
| 115 West 29th Street | 73K SF | 12 | 1913 | $8.58 |
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). 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
- 143-145 West 29th Street
- ZIP code
- 10001
- Building type
- Office building with commercial space (city class O6)
- Total floor area
- 58,292 SF
- Commercial floor area
- 58,292 SF
- Office
- 53,692 SF
- Retail
- 4,600 SF
- Height
- 12 floors
- Average floor
- About 4,900 SF (floor area divided by floors)
- Year built
- 1912
- Lot area
- 4,690 SF
- Zoning district
- M1-9A/R12
- Built FAR
- 12.43
- Max commercial FAR
- 15
- Tax lot (BBL)
- 1008050017
Nearest subway
- 28 St
- 34 St-Penn Station
- 28 St
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 143 West 29th 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 29th Street
- 13.9%
- 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 143-145 WEST 29 STREET OWNERS CORP. as the owner of record. For tax year 2026/27 the city values 143 West 29th Street at $11.8 million and assesses it at $5.29 million. After phase-ins and exemptions its taxable value is $5.29 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 $573,783 a year before abatements, roughly $9.84 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
- 143-145 WEST 29 STREET OWNERS CORP.
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $11,754,000
- Land market value
- $1,500,000
- Assessed value
- $5,289,300
- Estimated yearly tax
- About $573,783
- Tax per SF of floor area
- About $9.84
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 energy benchmarking (Local Law 84)
Energy score, grade and emissions
143 West 29th Street reported an ENERGY STAR score of 81 out of 100 for 2024 in its Local Law 84 benchmarking filing. Under Local Law 33 that score earns a B (70 to 84). Its site energy use came to 56.1 kBtu per square foot, 39% below the national median of 91.5 for a similar property. Its greenhouse gas emissions were about 293 metric tons of CO2e (5.03 kg per square foot).
- ENERGY STAR score (2024)
- 81 of 100
- Grade this score earns (Local Law 33)
- B (70 to 84)
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 56.1 kBtu/SF
- National median for the type
- 91.5 kBtu/SF
- Greenhouse gas emissions
- 293 t CO2e
- Emissions per SF
- 5.03 kg CO2e
- Floor area in the filing
- 58,292 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 2026-10-02; 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 143 West 29th Street in the 12 months to September 2026; the last one was first permitted in October 2024. In the last two years, interior work was permitted on one floor (floor 3). The newest build-out, on floor 3, was first permitted in October 2024 (construction; filed cost estimate $10,000).
- New jobs, last 12 months
- 0
- Initial permits, last 12 months
- 0
- Newest job first permitted
- October 2024
- Interior build-outs, last 24 months
- 1
- Floors with interior work, last 24 months
- 3
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 2026-10-02 (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 143 West 29th 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 143 West 29th Street
How big is 143 West 29th Street?
143 West 29th Street has about 58,000 square feet of floor area in total, including 54,000 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 143 West 29th Street built?
City records list 1912 as the year built. The building is 12 floors tall.
What other addresses does 143 West 29th Street have?
City records list 143-145 West 29th Street on the same tax lot (BBL 1008050017) as 143 West 29th Street. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 143 West 29th Street?
143 West 29th Street is in ZIP code 10001, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 143 West 29th Street, New York, NY 10001, in Midtown South.
What is the zoning at 143 West 29th Street?
The lot is in the M1-9A/R12 zoning district. PLUTO lists a built floor area ratio (FAR) of 12.43 and a maximum commercial FAR of 15 for this lot.
What subway station is closest to 143 West 29th Street?
The closest subway station to 143 West 29th Street is 28 St (the 1 train), about 500 feet away in a straight line, roughly 2 minutes on foot. Also nearby: 34 St-Penn Station (the 1, 2 and 3 trains), 4 min walk; 28 St (the R and W trains), 4 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 143 West 29th Street?
The NYC Department of Finance's 2026/27 assessment roll lists 143-145 WEST 29 STREET OWNERS CORP. as the owner of record of 143 West 29th Street (BBL 1008050017). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.
What is the energy grade of 143 West 29th Street?
143 West 29th Street reported an ENERGY STAR score of 81 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 81 earns a B. 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 56.1 kBtu per square foot, 39% below the national median of 91.5 for a similar property. Its greenhouse gas emissions were about 293 metric tons of CO2e (5.03 kg per square foot).
Is there construction at 143 West 29th Street?
The Department of Buildings issued no permits for new jobs at 143 West 29th Street in the 12 months to September 2026; the last one was first permitted in October 2024. In the last two years, interior work was permitted on one floor (floor 3). The newest build-out, on floor 3, was first permitted in October 2024 (construction; filed cost estimate $10,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1008050017. 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 143 West 29th Street?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $5.29 million for 143 West 29th Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $573,783 a year, roughly $9.84 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1008050017 show the actual bill.
What is the assessed value of 143 West 29th Street?
For tax year 2026/27, the NYC Department of Finance puts the market value of 143 West 29th Street at $11.8 million ($1.5 million of it land) and its assessed value at $5.29 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 7% from 2022/23 ($11 million) to 2026/27.
Are there vacant storefronts at 143 West 29th Street?
Owners registered 2 storefronts at 143 West 29th 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 143 West 29th Street?
No space at 143 West 29th 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