320 East 18 Street, Manhattan 10003

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

Photo of 320 East 18 Street
© Mapillary contributors
Market value (FY27)
$7,187,000
Estimated annual surcharge
If non-primary, est. $57,496/yr · 0.8% tier (Class 1, $5M–$15M)
Owner of record
Cahersiveen Holdings Llc
Borough
Manhattan
Block / Lot
923 / 53
BBL (PARID)
1009230053
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 June 24, 2025. Yahagi-Harris, Fukuko; Harris, Brian J → Cahersiveen Holdings LLC

  • Seller Yahagi-Harris, Fukuko
    34 Madison Drive, Montauk, NY 11954
  • Seller Harris, Brian J
    34 Madison Drive, Montauk, NY 11954
  • Buyer Cahersiveen Holdings LLC
    320 East 18th Street, New York, NY 10003

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 320 East 18 Street, NYC

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

  • 1980s tax photo of 320 East 18 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.