The suit is being filed in U.S. District Court in Washington, D.C. on Tuesday morning.
State officials said the cause of the inferno was under investigation.
Another 228 remain unaccounted for as crews stepped up the search for bodies and missing people.
Search teams continue to scour Paradise, a town of 27,000 that was largely incinerated Thursday.
Deputies did find an HVAC unit that was malfunctioning and making sounds similar to gunshots.
Authorities say several others were injured.
Jim Acosta had asked president about migrant caravan, other issues.
Attorney General resigned after more than a year of blistering and personal attacks over his recusal from the Russia investigation.
Trump was quick to distance himself from his party’s failure to maintain control of the House.
Robert Bowers accused of killing 11 people Saturday at Tree of Life synagogue.