40 East End Avenue, M, Manhattan 10028

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

Market value (FY27): $2,117,390
Estimated annual surcharge: If non-primary, est. $84,695/yr · 4.0% tier (Class 2, $1M–$3M)
Owner of record: Mccormack, Winthrop
Borough: Manhattan
Block / Lot: 1578 / 1301
BBL (PARID): 1015781301
Tax class: 2
Building class: R4
Apartment: M
Condo number: 102916

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 February 4, 2026 for $9,358,746. 40 East End Ave. Associates LLC → Mccormack, Carol Butler; Mccormack, Winthrop

Buyer Mccormack, Carol Butler

40 East End Avenue, New York, NY 10028
Seller 40 East End Ave. Associates LLC

c/o: Lightstone Group, New York, NY 10171
Buyer Mccormack, Winthrop

40 East End Avenue, New York, NY 10028

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