23 Gramercy Park South, Manhattan 10003
This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.
- Market value (FY27)
- $11,260,000
- Estimated annual surcharge
- If non-primary, est. $90,080/yr · 0.8% tier (Class 1, $5M–$15M)
- Owner of record
- Bond 23 Llc
- Borough
- Manhattan
- Block / Lot
- 875 / 58
- BBL (PARID)
1008750058- Tax class
- 1
- Building class
- A4
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 22, 2009 for $18,500,000. Hirtenstein, Michael → Bond 23 LLC
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Buyer Bond 23 LLC499 Park Avenue, New York, NY 10022
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Seller Hirtenstein, Michael530 5th Avenue, 23rd Floor, New York, NY 10036
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