Last updated on May 31, 2024
Benjamin N. Duke House,
1009 Fifth Avenue
The Duke Semans House is a pre-war townhouse building in Manhattan's Upper East Side, completed in 1901. Located at 1009 Fifth Avenue, it has 2 units across 6 stories.
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Overview of Benjamin N. Duke House at 1009 Fifth Avenue
The Duke Semans House is a pre-war townhouse building in the Upper East Side's Carnegie Hill neighborhood finished in 1901. Situated at 1009 Fifth Avenue, between East 81st Street and East 82nd Street, the building contains 2 units and rises 6 stories.
Doorman
None
Type
Townhouse
Year Built
1901
Apartments
Floors
6
Neighborhood
Carnegie Hill (Manhattan)
Min Down
20%
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Amenities
- Pre War
- Elevator
- Fireplaces
- Landmarked
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- 4
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Alternate Addresses
- Benjamin Duke House
- Benjamin N. and Sarah Duke House
- Duke-Semans Mansion
- The Duke Semans House
between Gold Street & Flatbush Avenue Extension
Downtown Brooklyn
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RLS IDX Data display by CityRealty.com, LLC.
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.
IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.
All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.
CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.
All closed sales data has been provided by the New York City Department of Finance via the Automated City Register Information System (ACRIS). No warranty or representation is made as to the accuracy of any data provided by ACRIS or any other sources.
CityRealty is committed to ensuring digital accessibility for individuals with disabilities. We are continuously working to improve the accessibility of our web experience for everyone, and we welcome feedback and accommodation requests. If you wish to report an issue or seek an accommodation, please contact us at accessibility@cityrealty.com.
An equal housing opportunity 
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