18 Gramercy Park South, 10, Manhattan 10003

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

Photo of 18 Gramercy Park South, 10
© Mapillary contributors
Market value (FY27)
$1,934,043
Estimated annual surcharge
If non-primary, est. $77,361/yr · 4.0% tier (Class 2, $1M–$3M)
Owner of record
Denis J. O'leary As Trustee
Borough
Manhattan
Block / Lot
875 / 1210
BBL (PARID)
1008751210
Tax class
2
Building class
R4
Apartment
10
Condo number
102381

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 January 20, 2026. O'leary, Denis → The Denis J. O'leary Revocable Trust; Denis J. O'leary As Trustee

  • Buyer The Denis J. O'leary Revocable Trust
    8980 Nassau Point Road, Cutchogue, NY 11935
  • Buyer Denis J. O'leary As Trustee
    8980 Nassau Point Road, Cutchogue, NY 11935
  • Seller O'leary, Denis
    8980 Nassau Point Road, Cutchogue, NY 11935

Public ACRIS deed records and HPD registration data. LLC officers are not published by New York State; parties and addresses shown are as recorded.