At 08:19 local time (06:19 BST), the Israel Defense Forces (IDF) said: “In the last hour, three unmanned aerial vehicles crossed into the country from Lebanon.
“Two of the aircraft were intercepted. Another aircraft hit a building in Caesarea, no injuries.”
Netanyahu makes use of two private homes, in Caesarea and Jerusalem, and has also spent time at Beit Aghion, the prime minister’s official residence in Jerusalem, which is currently being renovated.
The IDF said some 55 rockets had been launched into Israel from Lebanon so far on Saturday.
Israel is continuing to attack targets in Lebanon which it says are linked to the Iran-backed Hezbollah group.
Lebanon’s health ministry said on Saturday that two people were killed in an Israeli strike in Jounieh, a Christian-majority town to the north of Beirut.
The strike hit a moving car that was travelling along the main highway, according to local media.
This attack is unusual as most Israeli operations to date have focused on Shia Muslim-majority areas where Hezbollah has a presence.