| Key | Value | 
| addr:city | Barnstable | 
| addr:housenumber | 3353 | 
| addr:postcode | 02630 | 
| addr:state | MA | 
| addr:street | Main Street | 
| building | yes | 
| description | Tells the Coast Guard story from a regional Cape Cod perspective. The Commonwealth of Massachusetts is the birthplace of the Coast Guard and both Customs and Coast Guard have 18th century origins under the Treasury Department. | 
| ele | 14 | 
| gnis:feature_id | 606945 | 
| heritage | 2 | 
| heritage:operator | nrhp | 
| heritage:website | https://www.nps.gov/subjects/nationalregister/index.htm | 
| historic | maritime | 
| museum | history | 
| nrhp:criteria | (A), (C) | 
| nrhp:inscription_date | 1975-11-12 | 
| old_name | U.S. Custom House and Post Office | 
| old_name:1855-1913 | U.S. Customhouse | 
| old_name:1913-1958 | U.S. Post Office | 
| old_name:1960-2005 | Donald Trayser Museum | 
| operator | Coast Guard Heritage Museum | 
| operator:type | private_non_profit | 
| protection_title | Add Ownership | 
| ref:nrhp | 75000239 | 
| source_ref | https://catalog.archives.gov/id/63793974 | 
| start_date | 1855 | 
| tourism | museum | 
| website | https://coastguardheritagemuseum.org/ | 
| wikidata | Q7889722 |