PiedWatch

646 9 Avenue, Manhattan 10036

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

Photo of 646 9 Avenue
© Mapillary contributors
Market value (FY27)
$1,931,000
Estimated annual surcharge
If non-primary, est. $77,240/yr · 4.0% tier (Class 2, $1M–$3M)
Owner of record
Amethyst W Housing Corp
Borough
Manhattan
Block / Lot
1036 / 3
BBL (PARID)
1010360003
Tax class
2
Building class
C6
Co-op account
101208

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 November 12, 1991. Amethyst West Hsg CORP → Amethyst West Hsg Etc

  • Buyer Amethyst West Hsg Etc
    646 Ninth Ave, NY, NY 10036
  • Seller Amethyst West Hsg CORP
    646 Ninth Ave, NY, NY 10036

City housing registration (HPD)

  • Agent CO-OP Ralph Westerhoff · Brickwork Management INC.
    20 West 20th Street Ste 70, New York, NY 10011
  • Corporate Owner CO-OP Amethyst West HDFC
    20 West 20th Street Ste 70, New York, NY 10011
  • Head Officer CO-OP Ralph Westerhoff
    20 West 20th Street Ste 70, New York, NY 10011
  • Officer CO-OP Christine Debany
    20 West 20th Street Ste 70, New York, NY 10011
  • Site Manager CO-OP Tony Willging

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 646 9 Avenue, NYC

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

  • 1980s tax photo of 646 9 Avenue, 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.

View deeds & mortgages in ACRIS