51 South Portland Ave, Brooklyn 11217
This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.
- Market value (FY27)
- $5,332,000
- Estimated annual surcharge
- If non-primary, est. $42,656/yr · 0.8% tier (Class 1, $5M–$15M)
- Owner of record
- Kliegman, Matthew Adam
- Borough
- Brooklyn
- Block / Lot
- 2100 / 8
- BBL (PARID)
3021000008- Tax class
- 1
- Building class
- C0
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 May 8, 2025 for $5,230,000. Thomas, Donna; Thomas-Russell, Donna → Green, Sophie Ella; Kliegman, Matthew Adam
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Buyer Green, Sophie Ella51 South Portland Avenue, Brooklyn, NY 11217
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Seller Thomas, Donna317 Martin Road, Union, NJ 07083
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Seller Thomas-Russell, Donna317 Martin Road, Union, NJ 07083
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Buyer Kliegman, Matthew Adam51 South Portland Avenue, Brooklyn, NY 11217
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