Of the 16 propane locations listed
in Napa, 3 fill tanks by the gallon, 5 offer tank exchange, and 11 dispense autogas for vehicles.
Nearby cities in California with listed propane:
Vallejo (5 locations, about 14 mi), Fairfield (4 locations, about 14 mi) and Vacaville (6 locations, about 17 mi).