423 Amsterdam Avenue
423 Amsterdam Avenue
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Date:Â 1887-88
NB Number:Â NB 1394-1887
Type:Â Flats
Architect:Â Camp, Frederick T.
Developer/Owner/Builder:Â John P Thornton
NYC Landmarks Designation:Â Historic District
Landmark Designation Report: Â Upper West Side-Central Park Historical District, Vol. 2
National Register Designation:Â N/A
Primary Style:Â Renaissance Revival and Romanesque Revival
Primary Facade:Â Brick
Stories:Â 5
Window Type/Material:Â One-over-one double-hunt/Wood
Structure:Â Masonry bearing walls
Historic District: Upper West Side - Central Park West HD
Alterations:Â Originally constructed with storefront(s); Rooftop addition. Storefront replaced.