Commercial condominium · Midtown, Manhattan
660 Madison Avenue
New York, NY 10065
660 Madison Avenue is a 22-floor commercial condominium in Midtown, Manhattan, built in 1958, with about 201,000 square feet of office space according to city records.
Also at 13-17 East 60th Street, 8-18 East 61st Street and 660-666 Madison Avenue.
- Office space
- 201K SF
- Floors
- 22
- Year built
- 1958
- Zoning
- C5-3
The 165th largest of the 351 office buildings we track in Midtown. Compare it with 6 neighbors
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Compared with its neighbors
How 660 Madison Avenue compares
Next to the 6 nearest large office buildings, all within a 1 minute walk, 660 Madison Avenue ranks 3rd of 7 by office floor area. It went up in 1958; the median neighbor dates from 1954. Its estimated property tax, about $23.47 a square foot of floor area before abatements, is below the neighbors' median of $30.68.
| Building | Office space | Floors | Built | Tax / SF | Last sale |
|---|---|---|---|---|---|
| 660 Madison Avenue | 201K SF | 22 | 1958 | $23.47 | n/a |
| 652 Madison Avenue | 119K SF | 21 | 1928 | $30.04 | n/a |
| 10 East 60th Street | 141K SF | 13 | 1902 | $13.14 | n/a |
| 653 Madison Avenue | 185K SF | 24 | 1951 | $27.45 | Oct 2024, $159M |
| 667 Madison Avenue | 215K SF | 24 | 1985 | $40.49 | n/a |
| 650 Madison Avenue | 369K SF | 27 | 1957 | $47.98 | Sep 2013, $1.3B |
| 645 Madison Avenue | 131K SF | 22 | 1971 | $31.33 | Apr 2022, $197M |
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 addresses
- 13-17 East 60th Street; 8-18 East 61st Street; 660-666 Madison Avenue
- ZIP code
- 10065
- Building type
- Commercial condominium (city class RC)
- Total floor area
- 465,364 SF
- Commercial floor area
- 465,364 SF
- Office
- 200,866 SF
- Retail
- 264,498 SF
- Height
- 22 floors
- Year built
- 1958
- Last major alteration
- 1993
- Lot area
- 27,690 SF
- Zoning district
- C5-3
- Built FAR
- 16.81
- Max commercial FAR
- 15
- Tax lot (BBL)
- 1013757502
Nearest subway
- 5 Av/59 St
- 59 St
- Lexington Av/63 St
Source: NYC Department of City Planning, PLUTO 26v2, pulled 2026-10-16; addresses from the Property Address Directory (PAD) 26b; subway stations from the MTA Subway Stations dataset, pulled 2026-10-16. 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 660 Madison Avenue for December 31, 2025, the newest annual filing the city has published, and it stood vacant that day. At least one storefront here has been reported vacant at the end of every year since 2023.
- Storefronts registered for December 31, 2025
- 1
- Vacant that day
- 1
- Share vacant across Midtown
- 14.3%
- Share vacant along Madison Avenue
- 10.4%
- Share vacant citywide
- 9.2%
- Condominium tax lots that filed
- 1
Vacant on December 31, by year
Own or lease out a storefront at 660 Madison Avenue? Listing it is free, and it is matched against every active requirement for retail space in Midtown the day it goes up.
Source: NYC Department of Finance, Storefronts Reported Vacant or Not (Local Law 157), annual filings for 2019 to 2025, pulled 2026-10-16. 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, summed over the condominium's unit lot that filed, as the owners filed them. The 2025 filing was due June 1, 2026, 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
660 Madison Avenue is a condominium of 2 tax lots. ETOILE 660 MADISON LLC, one of 2 owners of record on the roll, owns the units that make up 61% of its market value. For tax year 2026/27 the city values 660 Madison Avenue at $224.5 million and assesses it at $101 million. After phase-ins and exemptions its taxable value is $100.7 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 $10.9 million a year before abatements, roughly $23.47 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.
- Largest unit owner
- ETOILE 660 MADISON LLC (61% of market value)
- Tax class
- Class 4 (commercial and industrial)
- City market value
- $224,467,000
- Land market value
- $105,450,000
- Assessed value
- $101,010,150
- Taxable value (phased in)
- $100,679,670
- Estimated yearly tax
- About $10.9 million
- Tax per SF of floor area
- About $23.47
- Condominium tax lots
- 2
- Owners of record
- 2
City market value by tax year
Manage or lease this building? Claim this page. Requests are reviewed by hand.
How to find who owns any NYC buildingSource: NYC Department of Finance, Property Valuation and Assessment Data (2026/27 roll, summed over 2 condominium tax lots; owner names as the roll records them, which cuts some long names short), pulled 2026-10-16; 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.
Own or manage 660 Madison Avenue? List a space here free and we match it against every active requirement. Renting it out yourself? Read the landlord's checklist.
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 660 Madison Avenue. In the last two years, interior work was permitted on 15 floors (floors 10 to 24). The newest build-out, on floors 10 to 24, was first permitted in February 2026 (sprinklers; filed cost estimate $1.7 million). A sidewalk shed permit here is active until December 20, 2026.
- New jobs, last 12 months
- 3
- Initial permits, last 12 months
- 4
- Newest job first permitted
- February 2026
- Interior build-outs, last 24 months
- 1
- Floors with interior work, last 24 months
- 10 to 24
- Facade and sidewalk jobs, last 24 months
- 1
- Sidewalk shed permit
- Active until Dec 20, 2026
Recent build-outs
New jobs by year
Build-outs across MidtownWhere NYC offices are being built out
Source: NYC Department of Buildings, DOB NOW: Build Approved Permits, pulled 2026-10-24 (permits issued through 2026-10-22). 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.
No office space listed in Midtown yet
The closest real space on Leasemark is below. Own or broker space at 660 Madison Avenue? List it free: it shows on this page and is matched against every active requirement the day it goes up.
Real space close by
Listed now by its owner or broker. Open it and tap I'm interested to ask the lister for an intro; contact details are shared once both sides accept.
Next door, in the Upper East Side
783 Madison 4th Floor
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Questions about 660 Madison Avenue
How big is 660 Madison Avenue?
660 Madison Avenue has about 465,000 square feet of floor area in total, including 201,000 square feet of office and 264,000 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 660 Madison Avenue built?
City records list 1958 as the year built, with a major alteration recorded in 1993. The building is 22 floors tall.
What other addresses does 660 Madison Avenue have?
City records list 13-17 East 60th Street, 8-18 East 61st Street and 660-666 Madison Avenue on the same tax lot (BBL 1013757502) as 660 Madison Avenue. A space listed on Leasemark at any of these addresses shows up on this page.
What is the ZIP code of 660 Madison Avenue?
660 Madison Avenue is in ZIP code 10065, according to the city's tax lot records (NYC PLUTO 26v2) and the Department of Finance's assessment roll. The full mailing address is 660 Madison Avenue, New York, NY 10065, in Midtown.
What is the zoning at 660 Madison Avenue?
The lot is in the C5-3 zoning district. PLUTO lists a built floor area ratio (FAR) of 16.81 and a maximum commercial FAR of 15 for this lot.
What subway station is closest to 660 Madison Avenue?
The closest subway station to 660 Madison Avenue is 5 Av/59 St (the N, R and W trains), about 600 feet away in a straight line, roughly 2 minutes on foot. Also nearby: 59 St (the 4, 5, 6, N, R and W trains, connected to Lexington Av/59 St), 5 min walk; Lexington Av/63 St (the M and Q trains), 5 min walk. Walking times are straight-line estimates; the street route is longer.
Who owns 660 Madison Avenue?
660 Madison Avenue is a condominium of 2 tax lots. ETOILE 660 MADISON LLC, one of 2 owners of record on the roll, owns the units that make up 61% of its market value. That is from the NYC Department of Finance's 2026/27 assessment roll (BBL 1013757502). Deeds and mortgages for each unit are public in ACRIS, the city's property records system.
Is there construction at 660 Madison Avenue?
In the 12 months to October 2026, the Department of Buildings issued first permits for 3 jobs at 660 Madison Avenue. In the last two years, interior work was permitted on 15 floors (floors 10 to 24). The newest build-out, on floors 10 to 24, was first permitted in February 2026 (sprinklers; filed cost estimate $1.7 million). A sidewalk shed permit here is active until December 20, 2026. These are the Department of Buildings' DOB NOW work permits for tax lot 1013757502. 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 660 Madison Avenue?
The Department of Finance's 2026/27 assessment roll lists a taxable value of $100.7 million for 660 Madison Avenue (the sum of its 2 condominium tax lots). At the Class 4 rate of 10.848% (tax year 2025/26, the latest rate the Department of Finance lists), that is about $10.9 million a year, roughly $23.47 per square foot of floor area, before abatements such as ICAP. The city's property tax records for BBL 1013757502 show the actual bill.
What is the assessed value of 660 Madison Avenue?
For tax year 2026/27, the NYC Department of Finance puts the market value of 660 Madison Avenue at $224.5 million ($105.5 million of it land) and its assessed value at $101 million, the 45% of market value the city assesses for Class 4 property. The city's market value fell 14% from 2022/23 ($260.3 million) to 2026/27.
Are there vacant storefronts at 660 Madison Avenue?
Owners registered one storefront at 660 Madison Avenue for December 31, 2025, the newest annual filing the city has published, and it stood vacant that day. At least one storefront here has been reported vacant at the end of every year since 2023. These are the owners' filings with the Department of Finance under Local Law 157, so a storefront vacant on December 31, 2025 may have been leased since. Owners and brokers can list a storefront on Leasemark for free.
Is there office space for lease at 660 Madison Avenue?
No space at 660 Madison Avenue is listed on Leasemark right now. Nearby on Leasemark: office space for lease at 783 Madison 4th Floor in the Upper East Side (994 SF, $66.40/SF/yr). 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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