Seventy homes have been deemed uninhabitable, and a further 393 have damage.
Those inside the building managed to evacuate safely.
A deluge of rain has led to a state of emergency being declared for the Buller District.
One of the accused is facing 38 charges.
"Reefton's really a stand out on the West Coast."
The notoriously rainy region is receiving even more wet weather than usual this autumn.
Emily Branje was watching her grandfather whitebait when she drowned in 2019.
Damien O'Connor is under fire for saying COVID-19 has taught the tourism industry not to be so cocky.
Before COVID-19, foreign tourism accounted for over 80 percent of business in Fox Glacier and Franz Josef.