During the last stages of battle to retake Mosul, Lise Grande stated that per an initial assessment, basic infrastructure repair will cost over 1 billion USD. She stated that while stabilization in east Mosul can be achieved in two months, in some districts of Mosul it might take years with six out of 44 districts almost completely destroyed. All districts of Mosul received light or moderate damage. Per the United Nations, 15 districts out of the 54 residential districts in the western half of Mosul were heavily damaged while at least 23 were moderately damaged.