Groups vulnerable to storms and typhoons are often poor, and many lack basic resources for response and recovery. Due to technical failures in housing construction, a considerable amount of their income is spent on house repairs or reconstruction after annual storms. Sometimes, they fall into debt from having to borrow much more money than they can afford. Without technical guidance, people often repeat the same building practices, thereby reproducing risks to subsequent storms. This study applied a cost-benefit analysis to quantify the economic benefits of long-term, safety-related measures put in place for housing. This method of analysis has proven that investing money on climate-resilient houses is essential in providing at-risk families with positive net benefits by preventing losses.