50 Riverside Boulevard, 23B, Manhattan 10069
This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.
- Market value (FY27)
- $1,455,266
- Estimated annual surcharge
- If non-primary, est. $58,210/yr · 4.0% tier (Class 2, $1M–$3M)
- Owner of record
- Richard Koenigsberg, As Trustee
- Borough
- Manhattan
- Block / Lot
- 1171 / 2550
- BBL (PARID)
1011712550- Tax class
- 2
- Building class
- R4
- Apartment
- 23B
- Condo number
- 102456
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 September 29, 2022 for $7,615,000. Gallagher, Sean Joseph → Richard Koenigsberg, As Trustee; Riverside Trust
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Seller Gallagher, Sean Joseph50 Riverside Blvd; Unit 23B, New York, NY 10069
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Buyer Richard Koenigsberg, As Trustee1675 Broadway; 20th Fl, New York, NY 10019
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Buyer Riverside Trust1675 Broadway; 20th Fl, New York, NY 10019
Public ACRIS deed records and HPD registration data. LLC officers are not published by New York State; parties and addresses shown are as recorded.
- Corporate/trust owner
- Coop/condo abatement
- Residency exemption
- Over surcharge threshold
- Likely non-primary