379 Union Street, Brooklyn 11231

This property may be subject to NYC’s non-primary residence (pied-à-terre) surcharge.

Photo of 379 Union Street
© Mapillary contributors
Market value (FY27)
$5,144,000
Estimated annual surcharge
If non-primary, est. $41,152/yr · 0.8% tier (Class 1, $5M–$15M)
Owner of record
The Diane Kendal Watson Decl Of Trust Dt D 6/26/25
Borough
Brooklyn
Block / Lot
429 / 64
BBL (PARID)
3004290064
Tax class
1
Building class
A9

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 October 21, 2025. Watson, Diane K → Diane Kendal Watson, As Trustee; The Diane Kendal Watson Decl Of Trust Dtd 6/26/25

  • Seller Watson, Diane K
    379 Union Street, Brooklyn, NY 11231
  • Buyer Diane Kendal Watson, As Trustee
    379 Union Street, Brooklyn, NY 11231
  • Buyer The Diane Kendal Watson Decl Of Trust Dtd 6/26/25
    379 Union Street, Brooklyn, NY 11231

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

  • 1940s tax photo of 379 Union Street, NYC

    1939–41 tax photo · © City of New York, NYC Municipal Archives · via 1940s.nyc

  • 1980s tax photo of 379 Union Street, NYC

    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.