845 United Nations Plaza, 42B, Manhattan 10017

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

Market value (FY27)
$1,296,920
Estimated annual surcharge
If non-primary, est. $51,876/yr · 4.0% tier (Class 2, $1M–$3M)
Owner of record
Kantrowitz, Keith D
Borough
Manhattan
Block / Lot
1340 / 1207
BBL (PARID)
1013401207
Tax class
2
Building class
R4
Apartment
42B
Condo number
101165

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 August 26, 2005 for $4,149,369. 845 Un Limited Partnership → Kantrowitz, Renee; Kantrowitz, Keith D

  • Seller 845 Un Limited Partnership
    725 Fifth Avenue, New York, NY 10022
  • Buyer Kantrowitz, Renee
    1010 Northern Boulevard, Great Neck, NY 10021
  • Buyer Kantrowitz, Keith D
    1010 Northern Boulevard, Great Neck, NY 10021

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