More than 100 patients were evacuated from the home on September 13 after three patients were found dead.
Employees at the Hollywood nursing home where several residents died after Hurricane Irma were laid off when its license was suspended by the state, the facility said in a notice last week.
Grossman didn't say exactly when the women died, but said police are treating the deaths as part of the criminal investigation.
All of the workers for a Florida nursing home that had 12 patients die after Hurricane Irma have been laid off.
On Sept. 13, eight residents died and other residents were evacuated from the facility.More news: Gillian Anderson won't be back after X-Files' 11th season
"The death of Cecilia Franco has compounded this unnecessary tragedy for her children, grandchildren, and great grandchildren", family attorneys Curtis Miner and Albert Levin said in a statement. Hours earlier, Grossmah had reported the 13th fatality, identifying her as 90-year-old Cecilia Franco.
Franco and Andrade are the latest victims to succumb to the sweltering heat inside the Rehabilitation Center of Hollywood Hills.
Ninety-year-old Cecilia Franco died early Monday morning, almost a month after Rehabilitation Center at Hollywood Hills' air conditioning broke for several days, and the care facility did not evacuate patients.
No one has been charged.
The 245 workers included occupational, speech and physical therapists, nurses and dietary aids, according to the letter.