This Act may be cited as the Community-Level Upgrades for Safer, Threat-Resistant Homes Act or the CLUSTER Act.

Section 404(f) of the Robert T. Stafford Disaster Relief and Emergency Assistance Act (42 U.S.C. 5170c(f)U.S. Code — Title 42, Section 5170c(f)View official source on GovInfo) is amended— (1) in paragraph (13) by striking and at the end; (2) in paragraph (14) by striking the period at the end and inserting; and; and (3) by adding at the end the following: (15) community hardening or cluster hardening, including coordinated mitigation across private residential structures..