Office building · NoHo, Manhattan
21 West 4th Street
New York, NY 10012
21 West 4th Street is a 6-floor office building in NoHo, Manhattan, built in 1920, with about 57,000 square feet of office space according to city records.
Also at 21-29 West 4th Street.
- Office space
- 57K SF
- Floors
- 6
- Year built
- 1920
- Zoning
- R7-2
The 23rd largest of the 27 office buildings we track in NoHo. Compare it with 6 neighbors
No space at 21 West 4th 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 21 West 4th Street compares
Next to the 6 nearest large office buildings, all within a 3 minute walk, 21 West 4th Street is the smallest by office floor area. Built in 1920, it is the newest of them. Its property tax is fully exempt on the city's assessment roll.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 21 West 4th Street | 57K SF | 6 | 1920 | Exempt | n/a |
| 19 West 4th Street | 96K SF | 8 | 1900 | Exempt | n/a |
| 696 Broadway | 68K SF | 8 | 1891 | $23.13 | n/a |
| 708 Broadway | 112K SF | 10 | 1896 | Exempt | Oct 2014, $158M |
| 400 Lafayette Street | 62K SF | 6 | 1888 | $20.64 | Apr 2023, $97.5M |
| 661 Broadway | 130K SF | 12 | 1912 | $14.45 | n/a |
| 726 Broadway | 302K SF | 10 | 1919 | Exempt | Dec 2008, $210M |
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
- 21-29 West 4th Street
- ZIP code
- 10012
- Building type
- Office building (city class O2)
- Total floor area
- 56,684 SF
- Commercial floor area
- 56,684 SF
- Office
- 56,684 SF
- Height
- 6 floors
- Average floor
- About 9,400 SF (floor area divided by floors)
- Year built
- 1920
- Last major alteration
- 1980
- Lot area
- 9,900 SF
- Zoning district
- R7-2
- Built FAR
- 5.73
- Tax lot (BBL)
- 1005460026
Nearest subway
- 8 St-NYU
- Bleecker St
- Astor Pl
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 Department of Finance records
Owner, property tax and assessed value
The Department of Finance lists NEW YORK UNIVERSITY as the owner of record. For tax year 2026/27 the city values 21 West 4th Street at $11.1 million and assesses it at $4.99 million. Exemptions on the roll cover the whole taxable value, which is common for government, nonprofit and payment-in-lieu-of-taxes properties.
- Owner of record
- NEW YORK UNIVERSITY
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $11,093,000
- Land market value
- $1,740,000
- Assessed value
- $4,991,850
- Exemptions
- $4,991,850
- Estimated yearly tax
- Fully exempt on the roll
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. Exempt properties can still owe charges or payments in lieu of taxes that the roll does not show.
NYC energy benchmarking (Local Law 84)
Energy use and emissions
21 West 4th Street's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (no single use that ENERGY STAR scores covers more than half of the floor area), 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 178.4 kBtu per square foot, 19% above the national median of 150.1 for a similar property. Its greenhouse gas emissions were about 80,240 metric tons of CO2e (10.62 kg per square foot). The filing covers 43 tax lots together, so these figures are for the whole property.
- ENERGY STAR score (2024)
- None given
- Property type (Portfolio Manager)
- College/University
- Site energy use intensity
- 178.4 kBtu/SF
- National median for the type
- 150.1 kBtu/SF
- Greenhouse gas emissions
- 80,240 t CO2e
- Emissions per SF
- 10.62 kg CO2e
- Floor area in the filing
- 7,553,129 SF
- Tax lots in the filing
- 43
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, one filing for 43 tax lots), 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
The Department of Buildings issued no permits for new jobs at 21 West 4th Street in the 12 months to September 2026; the last one was first permitted in February 2024.
- New jobs, last 12 months
- 0
- Initial permits, last 12 months
- 0
- Newest job first permitted
- February 2024
- Interior build-outs, last 24 months
- 0
New jobs by year
Build-outs across NoHoWhere 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.
Before you sign
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Questions about 21 West 4th Street
How big is 21 West 4th Street?
21 West 4th Street has about 57,000 square feet of floor area in total, including 57,000 square feet of office, according to NYC PLUTO 26v2. These are the city's estimates for the whole building, not space that is available.
When was 21 West 4th Street built?
City records list 1920 as the year built, with a major alteration recorded in 1980. The building is 6 floors tall.
What other addresses does 21 West 4th Street have?
City records list 21-29 West 4th Street on the same tax lot (BBL 1005460026) as 21 West 4th Street. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 21 West 4th Street?
21 West 4th Street is in ZIP code 10012, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 21 West 4th Street, New York, NY 10012, in NoHo.
What is the zoning at 21 West 4th Street?
The lot is in the R7-2 zoning district. PLUTO lists a built floor area ratio (FAR) of 5.73 for this lot.
What subway station is closest to 21 West 4th Street?
The closest subway station to 21 West 4th Street is 8 St-NYU (the R and W trains), about 850 feet away in a straight line, roughly 3 minutes on foot. Also nearby: Bleecker St (the 6, B, D, F and M trains, connected to Broadway-Lafayette St), 5 min walk; Astor Pl (the 6 train), 5 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 21 West 4th Street?
The NYC Department of Finance's 2026/27 assessment roll lists NEW YORK UNIVERSITY as the owner of record of 21 West 4th Street (BBL 1005460026). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.
Does 21 West 4th Street have an energy grade?
21 West 4th Street's 2024 Local Law 84 benchmarking filing got no ENERGY STAR score (no single use that ENERGY STAR scores covers more than half of the floor area), 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 178.4 kBtu per square foot, 19% above the national median of 150.1 for a similar property. Its greenhouse gas emissions were about 80,240 metric tons of CO2e (10.62 kg per square foot). The filing covers 43 tax lots together, so these figures are for the whole property.
Is there construction at 21 West 4th Street?
The Department of Buildings issued no permits for new jobs at 21 West 4th Street in the 12 months to September 2026; the last one was first permitted in February 2024. These are the Department of Buildings' DOB NOW work permits for tax lot 1005460026. 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 21 West 4th Street?
The Department of Finance's 2026/27 assessment roll lists exemptions covering the whole taxable value of 21 West 4th Street, so there is no property tax on the roll to estimate. That is common for government, nonprofit and payment-in-lieu-of-taxes (PILOT) properties. The city's property tax records for BBL 1005460026 show what is actually billed.
What is the assessed value of 21 West 4th Street?
For tax year 2026/27, the NYC Department of Finance puts the market value of 21 West 4th Street at $11.1 million ($1.74 million of it land) and its assessed value at $4.99 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 9% from 2022/23 ($10.2 million) to 2026/27.
Is there office space for lease at 21 West 4th Street?
No space at 21 West 4th 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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Transit hubs in NoHo
- 6 at Bleecker St
- B D F M at Broadway-Lafayette