The Rashut HaMisim רשות המיסים Israel Tax Authority has updated its website to include instructions on how to file a property damage claim pertaining to damages caused by the war. More information (in English) can be found here.
In addition, residents of Otef Aza, “The Gaza Envelope” can apply for a governmental aid grant. For more information and a full list of eligible communities, click here (in English).
Note that office hours for public reception at Rashut HaMisim change, so if you need this service please check the above website for updated hours.