Napa Mill Development Co
A landmark on Main St, in the middle of things: 242 places within a five-minute walk. One of 61 history & landmarks in Napa.















On the National Register since 1977

Hatt Building
Hatt Building was added to the National Register of Historic Places on May 2, 1977. It is significant for its industry at the local level.
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242 places within a five-minute walk of Napa Mill Development Co.
500 Main St
The nearest neighbor is Downtown Napa - Napa Valley, Ca, 1 min walk away.
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Some place details from Overture Maps (CDLA-Permissive-2.0). Changes go live once a second neighbor confirms them. Building history: National Park Service, National Register of Historic Places.