PiedWatch

100 United Nations Plaza, 33A/B, Manhattan 10017

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

Market value (FY27)
$1,271,931
Estimated annual surcharge
If non-primary, est. $50,877/yr · 4.0% tier (Class 2, $1M–$3M)
Owner of record
Krnpa Llc
Borough
Manhattan
Block / Lot
1341 / 1586
BBL (PARID)
1013411586
Tax class
2
Building class
R4
Apartment
33A/B
Condo number
100336

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 15, 2026 for $3,200,000. River Alph, LLC → Krnpa LLC

  • Buyer Krnpa LLC
    100 United Nations Plaza, 25Ab, New York, NY 10017
  • Seller River Alph, LLC
    26 Pryer Lane, Larchmont, NY 10538

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

  • 1980s tax photo of 100 United Nations Plaza, 33A/B, 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.

View deeds & mortgages in ACRIS