Boston Custom House
E549563
The Boston Custom House is a historic 19th-century government building and former customs facility in Boston, Massachusetts, best known for its iconic clock tower that once made it the city’s tallest structure.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Boston Custom House canonical | 4 |
| Boston Custom House Tower | 3 |
| Boston Custom House District | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5808258 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Boston Custom House Context triple: [Ammi B. Young, notableWork, Boston Custom House]
-
A.
United States Custom House
The United States Custom House is a historic federal building in New York City that once served as the primary customs collection point for the bustling port, reflecting the city’s central role in American trade and finance.
-
B.
Long Wharf Custom House Block
Long Wharf Custom House Block is a historic waterfront commercial building in Boston that once served as a key hub for maritime trade and customs operations.
-
C.
Customs House
Customs House is a historic waterfront building in Hobart, Tasmania, notable for its colonial architecture and former role in administering maritime trade and customs.
-
D.
Customs House
Customs House is a historic sandstone building at Sydney’s Circular Quay that once served as the city’s main customs office and now functions as a cultural and civic venue.
-
E.
Customs House
Customs House is a historic neoclassical waterfront building on Shanghai’s Bund, long serving as a key symbol of the city’s colonial-era commercial and maritime trade.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Boston Custom House Target entity description: The Boston Custom House is a historic 19th-century government building and former customs facility in Boston, Massachusetts, best known for its iconic clock tower that once made it the city’s tallest structure.
-
A.
United States Custom House
The United States Custom House is a historic federal building in New York City that once served as the primary customs collection point for the bustling port, reflecting the city’s central role in American trade and finance.
-
B.
Long Wharf Custom House Block
Long Wharf Custom House Block is a historic waterfront commercial building in Boston that once served as a key hub for maritime trade and customs operations.
-
C.
Customs House
Customs House is a historic waterfront building in Hobart, Tasmania, notable for its colonial architecture and former role in administering maritime trade and customs.
-
D.
Customs House
Customs House is a historic sandstone building at Sydney’s Circular Quay that once served as the city’s main customs office and now functions as a cultural and civic venue.
-
E.
Customs House
Customs House is a historic neoclassical waterfront building on Shanghai’s Bund, long serving as a key symbol of the city’s colonial-era commercial and maritime trade.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
clock tower
ⓘ
custom house ⓘ government building ⓘ |
| architect |
Ammi B. Young
ⓘ
Peabody and Stearns ⓘ
linked to:
Peabody & Stearns
|
| architecturalStyle |
Beaux-Arts architecture
ⓘ
linked to:
Beaux-Arts
Greek Revival architecture ⓘ Neoclassical architecture ⓘ |
| category |
Clock towers in Massachusetts
ⓘ
Custom houses in the United States ⓘ Government buildings in Boston ⓘ Skyscrapers in Boston ⓘ |
| constructionEndDate | 1847 ⓘ |
| constructionStartDate | 1837 ⓘ |
| country | United States of America ⓘ |
| currentUse |
Marriott Vacation Club timeshare
ⓘ
linked to:
Marriott Vacation Club
|
| dateOfNRHPInclusion | 1973 ⓘ |
| hasClock | yes ⓘ |
| hasPart |
Boston Custom House Tower
ⓘ
linked to:
Boston Custom House
clock tower ⓘ customs offices ⓘ ground-floor colonnade ⓘ observation deck ⓘ |
| hasView |
Boston Harbor
ⓘ
Boston skyline ⓘ |
| height |
approximately 151 meters
ⓘ
approximately 496 feet ⓘ |
| heritageDesignation |
Boston Landmark
ⓘ
National Register of Historic Places listing ⓘ
linked to:
National Register of Historic Places
|
| inception | 1837 ⓘ |
| locatedInTheAdministrativeTerritorialEntity |
City of Boston
ⓘ
linked to:
Boston, Massachusetts
Commonwealth of Massachusetts ⓘ
linked to:
Massachusetts
Suffolk County, Massachusetts ⓘ |
| location |
Boston
ⓘ
Massachusetts ⓘ |
| materialUsed | granite ⓘ |
| near |
Boston Harbor
ⓘ
Faneuil Hall ⓘ Quincy Market ⓘ |
| neighborhood | Downtown Boston ⓘ |
| NRHPReferenceNumber | 73000308 ⓘ |
| numberOfFloors | 32 ⓘ |
| operator | Marriott Vacation Club ⓘ |
| originalFunction | United States Customs Service headquarters for Port of Boston ⓘ |
| owner |
City of Boston
ⓘ
linked to:
Boston, Massachusetts
|
| partOf | Custom House District ⓘ |
| significantEvent |
surpassed in height by Prudential Tower in the 1960s
ⓘ
was tallest building in Boston upon completion of its tower ⓘ |
| streetAddress | 3 McKinley Square ⓘ |
| topFloorHeight | approximately 151 meters ⓘ |
| towerConstructionEndDate | 1915 ⓘ |
| towerConstructionStartDate | 1913 ⓘ |
| use |
customs facility
ⓘ
hotel ⓘ office building ⓘ timeshare resort ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Boston Custom House Description of subject: The Boston Custom House is a historic 19th-century government building and former customs facility in Boston, Massachusetts, best known for its iconic clock tower that once made it the city’s tallest structure.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Boston Custom House
linked to: Boston Custom House
linked to: Boston Custom House
linked to: Boston Custom House