Want · Office / Flex / Creative
Design studio seeking 4,000 SF loft
Posted by the tenant · Architecture
- Where
- Dumbo, Chelsea +1
- Size
- 3,000 to 5,500 SF
- Budget
- to $70/SF
- Move in
- Nov 2026
Exposed brickHigh ceilings
Owners: got a fit?I have a fit
Office building with commercial space · Chelsea, Manhattan
511 West 25th Street
New York, NY 10001
511 West 25th Street is a 9-floor office building with commercial space in Chelsea, Manhattan, built in 1917, with about 79,000 square feet of office space according to city records.
Also at 511-519 West 25th Street.
- Office space
- 79K SF
- Floors
- 9
- Year built
- 1917
- Zoning
- M1-5
The 12th largest of the 17 office buildings we track in Chelsea. Compare it with 6 neighbors
No space at 511 West 25th 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 511 West 25th Street compares
Next to the 6 nearest large office buildings, all within a 2 minute walk, 511 West 25th Street ranks 5th of 7 by office floor area. It went up in 1917; the median neighbor dates from 1942. Its estimated property tax, about $18.88 a square foot of floor area before abatements, is above the neighbors' median of $9.51.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 511 West 25th Street | 79K SF | 9 | 1917 | $18.88 | Jan 2025, $49.5M (2 lots) |
| 508 West 26th Street | 126K SF | 9 | 1927 | $7.24 | n/a |
| 516 West 25th Street | 71K SF | 7 | 1958 | $11.95 | Dec 2019, $72.1M |
| 518 West 26th Street | 196K SF | 10 | 1910 | $7.48 | n/a |
| 536 West 26th Street | 56K SF | 9 | 2016 | $29.01 | Jul 2018, $257M |
| 220 Eleventh Avenue | 151K SF | 9 | 2023 | $2.79 | n/a |
| Zinn Building, 210 Eleventh Avenue | 108K SF | 11 | 1911 | $11.54 | 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
- 511-519 West 25th Street
- ZIP code
- 10001
- Building type
- Office building with commercial space (city class O6)
- Total floor area
- 83,612 SF
- Commercial floor area
- 83,612 SF
- Office
- 79,037 SF
- Retail
- 4,575 SF
- Height
- 9 floors
- Average floor
- About 9,300 SF (floor area divided by floors)
- Year built
- 1917
- Last major alteration
- 2018
- Lot area
- 9,890 SF
- Zoning district
- M1-5
- Built FAR
- 8.45
- Max commercial FAR
- 5
- Historic district
- West Chelsea Historic District
- Tax lot (BBL)
- 1006970023
Nearest subway
- 23 St
- 34 St-Hudson Yards
- 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 Department of Finance records
Owner, property tax and assessed value
The Department of Finance lists PRIME STORAGE EMPIRE CAPITAL TWENTY-FIFT H STREET W as the owner of record. For tax year 2026/27 the city values 511 West 25th Street at $33.2 million and assesses it at $15 million. After phase-ins and exemptions its taxable value is $14.6 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 $1.58 million a year before abatements, roughly $18.88 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
- PRIME STORAGE EMPIRE CAPITAL TWENTY-FIFT H STREET W
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $33,230,000
- Land market value
- $2,000,000
- Assessed value
- $14,953,500
- Taxable value (phased in)
- $14,555,611
- Estimated yearly tax
- About $1.58 million
- Tax per SF of floor area
- About $18.88
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
511 West 25th Street last sold in January 2025 in a $49.5 million sale that covered 2 tax lots, this one among them, according to the deed recorded with the city. AL 511 WEST 25TH STREET OWNER, LLC sold it to PRIME STORAGE EMPIRE CAPITAL TWENTY-FIFTH STREET W.
- Last sale (deed date)
- January 21, 2025
- Combined price
- $49,500,000 for 2 tax lots
- Seller
- AL 511 WEST 25TH STREET OWNER, LLC
- Buyer
- PRIME STORAGE EMPIRE CAPITAL TWENTY-FIFTH STREET W
- Deed recorded
- January 28, 2025
- ACRIS document
- 2025012400817001
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; a price for several tax lots is the combined price, not this building's alone.
NYC energy benchmarking (Local Law 84)
Energy use and emissions
511 West 25th Street's 2023 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 38.7 kBtu per square foot, 41% below the national median of 65.7 for a similar property. Its greenhouse gas emissions were about 310 metric tons of CO2e (3.5 kg per square foot).
- ENERGY STAR score (2023)
- None given
- Property type (Portfolio Manager)
- Office
- Site energy use intensity
- 38.7 kBtu/SF
- National median for the type
- 65.7 kBtu/SF
- Greenhouse gas emissions
- 310 t CO2e
- Emissions per SF
- 3.5 kg CO2e
- Floor area in the filing
- 89,436 SF
- ENERGY STAR certified
- 2016, 2017
Energy sources in 2023
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 (2023 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
The Department of Buildings issued no permits for new jobs at 511 West 25th Street in the 12 months to September 2026; the last one was first permitted in May 2022.
- New jobs, last 12 months
- 0
- Initial permits, last 12 months
- 0
- Newest job first permitted
- May 2022
- Interior build-outs, last 24 months
- 0
New jobs by year
Build-outs across ChelseaWhere 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
511 West 25th Street was designed by Francisco & Jacobus and built in 1915-1917 in the Industrial Neoclassical style. It stands in the West Chelsea Historic District, so exterior changes and new signage go through the Landmarks Preservation Commission.
- Architect
- Francisco & Jacobus
- Constructed
- 1915-1917
- Style
- Industrial Neoclassical
- Primary material
- Brick
- Built as
- Factory
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.
What a requirement here looks like
No live requirements for office space in Chelsea yet. These labeled examples show what tenants post. List a space in 511 West 25th Street and we match it against every new one automatically.
Before you sign
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Questions about 511 West 25th Street
How big is 511 West 25th Street?
511 West 25th Street has about 84,000 square feet of floor area in total, including 79,000 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 511 West 25th Street built?
The Landmarks Preservation Commission's building records date 511 West 25th Street to 1915-1917, designed by Francisco & Jacobus. The building is 9 floors tall.
Who designed 511 West 25th Street?
Francisco & Jacobus, according to the Landmarks Preservation Commission's building records, which list the style as Industrial Neoclassical and its original use as a factory.
What other addresses does 511 West 25th Street have?
City records list 511-519 West 25th Street on the same tax lot (BBL 1006970023) as 511 West 25th Street. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 511 West 25th Street?
511 West 25th 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 511 West 25th Street, New York, NY 10001, in Chelsea.
What is the zoning at 511 West 25th Street?
The lot is in the M1-5 zoning district. PLUTO lists a built floor area ratio (FAR) of 8.45 and a maximum commercial FAR of 5 for this lot. It is inside the West Chelsea Historic District, so exterior changes go through the Landmarks Preservation Commission.
What subway station is closest to 511 West 25th Street?
The closest subway station to 511 West 25th Street is 23 St (the C and E trains), about 0.4 miles away in a straight line, roughly 8 minutes on foot. Also nearby: 34 St-Hudson Yards (the 7 train), 9 min walk; 23 St (the 1 train), 11 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 511 West 25th Street?
The NYC Department of Finance's 2026/27 assessment roll lists PRIME STORAGE EMPIRE CAPITAL TWENTY-FIFT H STREET W as the owner of record of 511 West 25th Street (BBL 1006970023). Deeds and mortgages for the lot are public in ACRIS, the city's property records system.
When was 511 West 25th Street last sold?
511 West 25th Street last sold in January 2025 in a $49.5 million sale that covered 2 tax lots, this one among them, according to the deed recorded with the city. AL 511 WEST 25TH STREET OWNER, LLC sold it to PRIME STORAGE EMPIRE CAPITAL TWENTY-FIFTH STREET W. The deed is ACRIS document 2025012400817001 (BBL 1006970023) 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.
Does 511 West 25th Street have an energy grade?
511 West 25th Street's 2023 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 38.7 kBtu per square foot, 41% below the national median of 65.7 for a similar property. Its greenhouse gas emissions were about 310 metric tons of CO2e (3.5 kg per square foot).
Is there construction at 511 West 25th Street?
The Department of Buildings issued no permits for new jobs at 511 West 25th Street in the 12 months to September 2026; the last one was first permitted in May 2022. These are the Department of Buildings' DOB NOW work permits for tax lot 1006970023. 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 511 West 25th Street?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $14.6 million for 511 West 25th Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $1.58 million a year, roughly $18.88 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1006970023 show the actual bill.
What is the assessed value of 511 West 25th Street?
For tax year 2026/27, the NYC Department of Finance puts the market value of 511 West 25th Street at $33.2 million ($2 million of it land) and its assessed value at $15 million, the 45% of market value the city assesses for Class 4 property. The city's market value rose 12% from 2022/23 ($29.7 million) to 2026/27.
Is there office space for lease at 511 West 25th Street?
No space at 511 West 25th 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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