123 West 56Th Street, Ph C, Manhattan 10019

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

Market value (FY27): $1,330,427
Estimated annual surcharge: If non-primary, est. $53,217/yr · 4.0% tier (Class 2, $1M–$3M)
Owner of record: Greenhill, Mark
Borough: Manhattan
Block / Lot: 1009 / 1399
BBL (PARID): 1010091399
Tax class: 2
Building class: R4
Apartment: Ph C
Condo number: 103165

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 6, 2025 for $12,300,000. Parker57 LLC → Greenhill, Mark; Greenhill, Elizabeth

Seller Parker57 LLC

c/o: Gfi Capital Resources Group, INC.,, New York, NY 10006
Buyer Greenhill, Mark

c/o: Law Office Of David C. Nevins, Jericho, NY 11753
Buyer Greenhill, Elizabeth

c/o: Law Office Of David C. Nevins, Jericho, NY 11753

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