21 West 11 Street, Manhattan 10011
This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.
- Market value (FY27)
- $12,211,000
- Estimated annual surcharge
- If non-primary, est. $97,688/yr · 0.8% tier (Class 1, $5M–$15M)
- Owner of record
- Michael B. Benner As Trustee
- Borough
- Manhattan
- Block / Lot
- 575 / 61
- BBL (PARID)
1005750061- Tax class
- 1
- Building class
- B1
Estimate = phase-1 rate × FY27 DOF market value. Co-op unit values are imputed by DOF at determination; see methodology.
Ownership records
Last deed recorded July 30, 2025 for $10,300,000. The New School; The New School For Social Research → Michael B. Benner As Trustee; The Hartford 2020 Trust
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Seller The New School66 West 12th Street, New York, NY 10011
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Seller The New School For Social Research66 West 12th Street, New York, NY 10011
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Buyer Michael B. Benner As Trustee21 West 11th Street, New York, NY 10011
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Buyer The Hartford 2020 Trust21 West 11th Street, New York, NY 10011
Public ACRIS deed records and HPD registration data. LLC officers are not published by New York State; parties and addresses shown are as recorded.
Historic photos
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1939–41 tax photo · © City of New York, NYC Municipal Archives · via 1940s.nyc
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1980s tax photo · © City of New York, NYC Municipal Archives · via 1940s.nyc
NYC Municipal Archives tax photographs — view on 1940s.nyc (opens in new tab). Images © City of New York; bulk/commercial reuse requires Archives permission.
- Corporate/trust owner
- Coop/condo abatement
- Residency exemption
- Over surcharge threshold
- Likely non-primary