Office building · Harlem, Manhattan
423 West 127th Street
New York, NY 10027
423 West 127th Street is a 5-floor office building in Harlem, Manhattan, built in 1936, with about 42,000 square feet of office space according to city records.
Also at 423-437 West 127th Street.
- Office space
- 42K SF
- Floors
- 5
- Year built
- 1936
- Zoning
- M1-5/R7-2
The 19th largest of the 19 office buildings we track in Harlem. Compare it with 6 neighbors
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Compared with its neighbors
How 423 West 127th Street compares
Next to the 6 nearest large office buildings, all within a 8 minute walk, 423 West 127th Street is the smallest by office floor area. It went up in 1936; the median neighbor dates from 1975. Its estimated property tax, about $2.95 a square foot of floor area before abatements, is below the neighbors' median of $9.22.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 423 West 127th Street | 42K SF | 5 | 1936 | $2.95 | Jan 2007, $5.8M |
| 461 West 126th Street | 117K SF | 11 | 1980 | $12.28 | n/a |
| 450 West 126th Street | 235K SF | 11 | 2019 | $14.49 | n/a |
| 1361 Amsterdam Avenue | 55K SF | 6 | 1911 | $5.74 | n/a |
| 374 West 125th Street | 125K SF | 9 | 2002 | $6.37 | n/a |
| 215 West 125th Street | 143K SF | 6 | 1971 | $12.07 | n/a |
| 2108 Adam C Powell Boulevard | 73K SF | 7 | 1903 | $5.94 | Feb 2014, $21.5M |
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 35,000 SF of the building's main use. Walking times are straight-line estimates.
NYC tax lot records
Building facts
- Other address
- 423-437 West 127th Street
- ZIP code
- 10027
- Building type
- Office building (city class O2)
- Total floor area
- 41,800 SF
- Commercial floor area
- 41,800 SF
- Office
- 41,800 SF
- Height
- 5 floors
- Average floor
- About 8,400 SF (floor area divided by floors)
- Year built
- 1936
- Last major alteration
- 2009
- Lot area
- 16,020 SF
- Zoning district
- M1-5/R7-2
- Built FAR
- 2.61
- Max commercial FAR
- 5
- Tax lot (BBL)
- 1019670060
Nearest subway
- 125 St
- 125 St
- 135 St
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-05; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-05. 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 423 West 127th 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 Harlem
- 11.1%
- Share vacant citywide
- 8.7%
Vacant on December 31, by year
Need a storefront in Harlem? 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 2026-10-08. 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 NEIGHBORHOOD EIGHTH AVENUE LLC as the owner of record. For tax year 2026/27 the city values 423 West 127th Street at $8.57 million and assesses it at $3.86 million. After phase-ins and exemptions its taxable value is $1.14 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 $123,427 a year before abatements, roughly $2.95 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
- NEIGHBORHOOD EIGHTH AVENUE LLC
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $8,570,000
- Land market value
- $2,435,000
- Assessed value
- $3,856,500
- Taxable value (phased in)
- $3,830,490
- Exemptions
- $2,692,700
- Estimated yearly tax
- About $123,427
- Tax per SF of floor area
- About $2.95
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 2026-10-08; 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.
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NYC property records (ACRIS)
Sales history
423 West 127th Street last sold in January 2007 for $5.78 million, according to the deed recorded with the city. The buyer of record was NEIGHBORHOOD EIGHTH AVENUE LLC.
- Last sale (deed date)
- January 17, 2007
- Price
- $5,775,000
- Buyer
- NEIGHBORHOOD EIGHTH AVENUE LLC
- Deed recorded
- February 1, 2007
- ACRIS document
- 2007012400915001
Source: NYC Department of Finance, ACRIS, Real Property Master, Legals and Parties, pulled 2026-10-08; 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 Department of Buildings permits
Work permits and build-outs
In the 12 months to October 2026, the Department of Buildings issued first permits for 3 jobs at 423 West 127th Street. In the last two years, interior work was permitted on one floor (floor 1). The newest build-out, on floor 1, was first permitted in June 2026 (construction; filed cost estimate $66,000).
- New jobs, last 12 months
- 3
- Initial permits, last 12 months
- 4
- Newest job first permitted
- June 2026
- Interior build-outs, last 24 months
- 3
- Floors with interior work, last 24 months
- 1
Recent build-outs
New jobs by year
Build-outs across HarlemWhere NYC offices are being built out
Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-08 (permits issued through 2026-10-06). 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.
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Questions about 423 West 127th Street
How big is 423 West 127th Street?
423 West 127th Street has about 42,000 square feet of floor area in total, including 42,000 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 423 West 127th Street built?
City records list 1936 as the year built, with a major alteration recorded in 2009. The building is 5 floors tall.
What other addresses does 423 West 127th Street have?
City records list 423-437 West 127th Street on the same tax lot (BBL 1019670060) as 423 West 127th Street. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 423 West 127th Street?
423 West 127th Street is in ZIP code 10027, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 423 West 127th Street, New York, NY 10027, in Harlem.
What is the zoning at 423 West 127th Street?
The lot is in the M1-5/R7-2 zoning district. PLUTO lists a built floor area ratio (FAR) of 2.61 and a maximum commercial FAR of 5 for this lot.
What subway station is closest to 423 West 127th Street?
The closest subway station to 423 West 127th Street is 125 St (the A, B, C and D trains), about 0.2 miles away in a straight line, roughly 4 minutes on foot. The MTA lists it as an accessible station. Also nearby: 125 St (the 1 train), 5 min walk; 135 St (the B and C trains), 9 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 423 West 127th Street?
The NYC Department of Finance's 2026/27 assessment roll lists NEIGHBORHOOD EIGHTH AVENUE LLC as the owner of record of 423 West 127th Street (BBL 1019670060). 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 423 West 127th Street last sold?
423 West 127th Street last sold in January 2007 for $5.78 million, according to the deed recorded with the city. The buyer of record was NEIGHBORHOOD EIGHTH AVENUE LLC. The deed is ACRIS document 2007012400915001 (BBL 1019670060) 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.
Is there construction at 423 West 127th Street?
In the 12 months to October 2026, the Department of Buildings issued first permits for 3 jobs at 423 West 127th Street. In the last two years, interior work was permitted on one floor (floor 1). The newest build-out, on floor 1, was first permitted in June 2026 (construction; filed cost estimate $66,000). These are the Department of Buildings' DOB NOW work permits for tax lot 1019670060. 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 423 West 127th Street?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $1.14 million for 423 West 127th Street. At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $123,427 a year, roughly $2.95 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1019670060 show the actual bill.
What is the assessed value of 423 West 127th Street?
For tax year 2026/27, the NYC Department of Finance puts the market value of 423 West 127th Street at $8.57 million ($2.44 million of it land) and its assessed value at $3.86 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 12% from 2022/23 ($9.71 million) to 2026/27.
Are there vacant storefronts at 423 West 127th Street?
Owners registered 2 storefronts at 423 West 127th 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 423 West 127th Street?
No space at 423 West 127th 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 Harlem
- 2 3 at 125 St
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- Metro-North at Harlem-125 St