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 · Flatiron, Manhattan
126 Fifth Avenue
New York, NY 10011
126 Fifth Avenue is a 15-floor office building with commercial space in Flatiron, Manhattan, built in 1906, with about 74,000 square feet of office space according to city records.
Also at 126-128 Fifth Avenue.
- Office space
- 74K SF
- Floors
- 15
- Year built
- 1906
- Zoning
- C6-4M
The 57th largest of the 75 office buildings we track in Flatiron. Compare it with 6 neighbors
No space at 126 Fifth Avenue 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 126 Fifth Avenue compares
Next to the 6 nearest large office buildings, all within a 1 minute walk, 126 Fifth Avenue ranks 5th of 7 by office floor area. It went up in 1906; the median neighbor dates from 1904. Its estimated property tax, about $10.66 a square foot of floor area before abatements, is below the neighbors' median of $25.13.
| Building | Office space | Floors | Built | Tax / SF |
|---|---|---|---|---|
| 126 Fifth Avenue | 74K SF | 15 | 1906 | $10.66 |
| 122 Fifth Avenue | 223K SF | 11 | 1900 | $30.22 |
| 130 Fifth Avenue | 104K SF | 11 | 1903 | $24.26 |
| 118 Fifth Avenue | 60K SF | 11 | 1906 | $15.78 |
| 101 Fifth Avenue | 55K SF | 11 | 1909 | $25.78 |
| Merchants' Exchange Building, 114 Fifth Avenue | 329K SF | 18 | 1909 | $28.32 |
| Constable Building, 109 Fifth Avenue | 189K SF | 13 | 1895 | $24.47 |
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
- 126-128 Fifth Avenue
- ZIP code
- 10011
- Building type
- Office building with commercial space (city class O6)
- Total floor area
- 100,621 SF
- Commercial floor area
- 81,320 SF
- Office
- 74,320 SF
- Retail
- 7,000 SF
- Height
- 15 floors
- Average floor
- About 6,700 SF (floor area divided by floors)
- Year built
- 1906
- Last major alteration
- 1980
- Apartments
- 11
- Lot area
- 6,900 SF
- Zoning district
- C6-4M
- Built FAR
- 14.58
- Max commercial FAR
- 10
- Historic district
- Ladies' Mile Historic District
- Tax lot (BBL)
- 1008190044
Nearest subway
- 14 St
- 14 St-Union Sq
- 23 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 one storefront at 126 Fifth Avenue for December 31, 2024, the newest annual filing the city has published, and it was not vacant that day.
- Storefronts registered for December 31, 2024
- 1
- Vacant that day
- 0
- Share vacant across Flatiron
- 13.5%
- Share vacant along Fifth Avenue
- 12.6%
- Share vacant citywide
- 8.7%
Vacant on December 31, by year
Need a storefront in Flatiron? 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 126-8 FIFTH AVENUE, LLC as the owner of record. For tax year 2026/27 the city values 126 Fifth Avenue at $22.3 million and assesses it at $10 million. After phase-ins and exemptions its taxable value is $9.89 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 $1.07 million a year before abatements, roughly $10.66 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
- 126-8 FIFTH AVENUE, LLC
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $22,251,000
- Land market value
- $3,000,000
- Assessed value
- $10,012,950
- Taxable value (phased in)
- $9,887,670
- Estimated yearly tax
- About $1.07 million
- Tax per SF of floor area
- About $10.66
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 use and emissions
126 Fifth Avenue's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score, and Local Law 33 letter grades come from that score, so the filing does not yield an A to D grade. Its site energy use came to 65.4 kBtu per square foot, about the same as the national median of 65.3 for a similar property. Its greenhouse gas emissions were about 555 metric tons of CO2e (5.17 kg per square foot).
- ENERGY STAR score (2024)
- None given
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 65.4 kBtu/SF
- National median for the type
- 65.3 kBtu/SF
- Greenhouse gas emissions
- 555 t CO2e
- Emissions per SF
- 5.17 kg CO2e
- Floor area in the filing
- 107,314 SF
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.
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 1 job at 126 Fifth Avenue. In the last two years, interior work was permitted on one floor (floor 2). The newest build-out, on floor 2, was first permitted in January 2026 (mechanical; filed cost estimate $157,000).
- New jobs, last 12 months
- 1
- Initial permits, last 12 months
- 1
- Newest job first permitted
- January 2026
- Interior build-outs, last 24 months
- 1
- Floors with interior work, last 24 months
- 2
- Facade and sidewalk jobs, last 24 months
- 1
Recent build-outs
New jobs by year
Build-outs across FlatironWhere 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.
Landmarks Preservation Commission records
Architecture and history
126 Fifth Avenue was designed by Robert Maynicke and built in 1905-1906 in the Beaux-Arts style. It stands in the Ladies' Mile Historic District, so exterior changes and new signage go through the Landmarks Preservation Commission.
- Architect
- Robert Maynicke
- Constructed
- 1905-1906
- Style
- Beaux-Arts
- Primary material
- Limestone
- 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 126 Fifth Avenue 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 126 Fifth Avenue
How big is 126 Fifth Avenue?
126 Fifth Avenue has about 101,000 square feet of floor area in total, including 74,000 square feet of office and 7,000 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 126 Fifth Avenue built?
The Landmarks Preservation Commission's building records date 126 Fifth Avenue to 1905-1906, designed by Robert Maynicke. The building is 15 floors tall.
Who designed 126 Fifth Avenue?
Robert Maynicke, according to the Landmarks Preservation Commission's building records, which list the style as Beaux-Arts and its original use as store and lofts.
What other addresses does 126 Fifth Avenue have?
City records list 126-128 Fifth Avenue on the same tax lot (BBL 1008190044) as 126 Fifth Avenue. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 126 Fifth Avenue?
126 Fifth Avenue 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 126 Fifth Avenue, New York, NY 10011, in Flatiron.
What is the zoning at 126 Fifth Avenue?
The lot is in the C6-4M zoning district. PLUTO lists a built floor area ratio (FAR) of 14.58 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 126 Fifth Avenue?
The closest subway station to 126 Fifth Avenue is 14 St (the 1, 2, 3, F, M and L trains, connected to 6 Av), about 0.2 miles away in a straight line, roughly 4 minutes on foot. The MTA lists it as an accessible station. Also nearby: 14 St-Union Sq (the 4, 5, 6, L, N, Q, R and W trains), 4 min walk; 23 St (the R and W trains), 5 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 126 Fifth Avenue?
The NYC Department of Finance's 2026/27 assessment roll lists 126-8 FIFTH AVENUE, LLC as the owner of record of 126 Fifth Avenue (BBL 1008190044). 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.
Does 126 Fifth Avenue have an energy grade?
126 Fifth Avenue's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score, and Local Law 33 letter grades come from that score, so the filing does not yield an A to D grade. Its site energy use came to 65.4 kBtu per square foot, about the same as the national median of 65.3 for a similar property. Its greenhouse gas emissions were about 555 metric tons of CO2e (5.17 kg per square foot).
Is there construction at 126 Fifth Avenue?
In the 12 months to September 2026, the Department of Buildings issued first permits for 1 job at 126 Fifth Avenue. In the last two years, interior work was permitted on one floor (floor 2). The newest build-out, on floor 2, was first permitted in January 2026 (mechanical; filed cost estimate $157,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1008190044. 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 126 Fifth Avenue?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $9.89 million for 126 Fifth Avenue. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $1.07 million a year, roughly $10.66 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1008190044 show the actual bill.
What is the assessed value of 126 Fifth Avenue?
For tax year 2026/27, the NYC Department of Finance puts the market value of 126 Fifth Avenue at $22.3 million ($3 million of it land) and its assessed value at $10 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 4% from 2022/23 ($23.2 million) to 2026/27.
Are there vacant storefronts at 126 Fifth Avenue?
Owners registered one storefront at 126 Fifth Avenue for December 31, 2024, the newest annual filing the city has published, and it was not 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 126 Fifth Avenue?
No space at 126 Fifth Avenue 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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Size, owner of record and property tax, plus the last sale and energy grade where the city has them, for every large office, retail and industrial building we track. Type any address on the lot (like 350 Fifth Avenue), a building name, a street or a neighborhood.
Flatiron
Transit hubs in Flatiron
- R W at 23 St
- 4 5 6 L N Q R W at 14 St-Union Sq
- F M at 23 St