Harbour House, formally designated as 14 and Hudson, occupies a distinctive position within Piermont, New York's architectural heritage and cultural landscape. The building's location along the Hudson River corridor places it within a region of substantial historical importance throughout American development and commerce. Piermont developed as a Hudson River port community engaging in maritime activities and riverine transportation. The building's name, Harbour House, suggests historical connection to maritime commerce or river navigation activities, positioning it within Piermont's economic and commercial infrastructure. The address designation establishes the location at the intersection of numerical address and Hudson River proximity. The building's historical development reflects transformations throughout the Hudson Valley across the nineteenth and twentieth centuries, with shifts from maritime and riverine commerce toward contemporary service-oriented commercial activities. Piermont developed from a river port community toward a contemporary suburban and recreational community integrated within the greater New York metropolitan region. Buildings including Harbour House underwent successive transitions in function as community economic structures evolved. Earlier commercial functions potentially related to maritime commerce and dock operations transitioned toward service industry applications such as hospitality, dining, or retail operations. Paranormal manifestations center on the apparition and presence attributed to Mama Maraglia, identified as a spirit from the building's earlier operational history associated with the second floor location. Specific details regarding Mama Maraglia's historical circumstances and occupational role remain partially obscured by incomplete documentation and temporal distance. The spirit is reported to walk or move throughout second floor areas, suggesting manifestation patterns concentrated in particular spatial regions. Paranormal activity has been reported by former employees and patrons, suggesting manifestations occur with sufficient regularity that multiple individuals across different periods documented similar phenomena. The paranormal presence is interpreted as representing an individual whose significant emotional investment or compelling life circumstances bound consciousness to the building's physical location. Concentration of activity within the second floor suggests specific spatial areas held particular meaning within Mama Maraglia's historical experience. Attribution to former employees and patrons indicates the apparition has interacted with diverse categories of individuals across temporal periods. Persistence of reports across decades suggests stable paranormal presence resistant to temporal dissolution. Harbour House continues functioning as a commercial or hospitality establishment within Piermont's contemporary community, maintaining the building's historical significance while serving commercial purposes. The paranormal reputation has become integrated into local awareness, attracting paranormal researchers interested in Hudson Valley hauntings. The building exemplifies how historic river communities become layered with maritime commercial history and paranormal associations reflecting former occupant persistence. Harbour House remains notable within the Hudson Valley's landscape of paranormally active locations, representing the intersection of regional historical significance and contemporary paranormal manifestation associated with Mama Maraglia.