50 Sidney Place, Brooklyn 11201
This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.
- Market value (FY27)
- $7,230,000
- Estimated annual surcharge
- If non-primary, est. $57,840/yr · 0.8% tier (Class 1, $5M–$15M)
- Owner of record
- Gary A. Alexion, Trustee
- Borough
- Brooklyn
- Block / Lot
- 263 / 61
- BBL (PARID)
3002630061- Tax class
- 1
- Building class
- B3
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 March 11, 2025. Healy, Maureen C; Alexion, Gary A → Gary A. Alexion, Trustee; Maureen C. Healy, Trustee; The Maureen C. Healy Revocable Trust, 50%; The Gary A. Alexion Revocable Trust, 50%
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Buyer Gary A. Alexion, Trustee50 Sidney Place, Brooklyn, NY 11201
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Seller Healy, Maureen C50 Sidney Place, Brooklyn, NY 11201
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Seller Alexion, Gary A50 Sidney Place, Brooklyn, NY 11201
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Buyer Maureen C. Healy, Trustee50 Sidney Place, Brooklyn, NY 11201
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Buyer The Maureen C. Healy Revocable Trust, 50%50 Sidney Place, Brooklyn, NY 11201
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Buyer The Gary A. Alexion Revocable Trust, 50%50 Sidney Place, Brooklyn, NY 11201
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