1601 3rd Avenue, Unit 23K

Ruppert Tower 1

Upper East Side

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of The Corcoran Group

This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., All rights reserved. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey® MLS. Information Copyright 2026, OneKey® MLS. All data is deemed reliable but is not guaranteed accurate by Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties. See Terms of Service for additional restrictions. Compass · Tel: 212-913-9058 · New York, NY Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York’s Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer’s personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This information is not guaranteed, should be independently verified and may not reflect all real estate activity in the market. Offers of compensation set forth here are for other RLSParticipants only and may not reflect other agreements between a consumer and their broker.©2026 The Real Estate Board of New York, Inc., All rights reserved.