US President Joe Biden, US First Lady Jill Biden, Hawaii Governor Josh Green and Jaime Green, First Lady of Hawaii, visit an area devastated by wildfires in Lahaina, Hawaii on August 21, 2023. (PHOTO / AFP)

MAUI — The death toll from the Maui wildfires in the US state of Hawaii climbed to 115 as of Monday, according to a fatality update from the County of Maui.

By far, all single-storey residential properties had been searched in the disaster area. Search teams will now start to search multi-storey residential and commercial properties, according to the county.

Maui Mayor Richard Bissen said Monday 850 people were still missing after devastating wildfires tore through the island earlier this month

The county has issued unsafe water alerts in Lahaina and Upper Kula, requesting residents to only use bottled water or potable water provided by tankers for drinking, brushing teeth, ice-making, food preparation and so on.

READ MORE: Hawaii wildfires kill 36 as 'apocalypse' hits resort city

Maui Mayor Richard Bissen said Monday 850 people were still missing after devastating wildfires tore through the island earlier this month, and search and rescue efforts were continuing.

More than 2,000 people were initially reported missing.

US President Joe Biden and First Lady Jill Biden visited Maui on Monday to assess the damage of the wildfire disaster area in Lahaina and meet with survivors and first responders who were impacted by the fires.

"We will be respectful of these sacred grounds and traditions and rebuild the way the people of Maui want to build, not the way others want to build," Biden said.

READ MORE: Maui fires: Hawaii death toll hits 80, recovery to take years

The wildfires in Maui are the deadliest wildfires in the United States in more than a century, and the worst natural disaster in Hawaii's history.