The leopard cat (Prionailurus bengalensis) is an endangered, protected wild animal species, the only extant feline species native to Taiwan. The leopard cat is a foundation stone for the ecosystem, and a flagship species for Taiwan as well. However, leopard cats are facing threats of habitat loss, fragmentation, and other results of human development. Therefore, there is a need to evaluate the value of protecting leopard cat habitats. This study adopted the Contingent Valuation Method (CVM) to evaluate residents’ willingness to pay (WTP) regarding the conservation of habitats of leopard cats in Miaoli (within the leopard cat habitats) and Hsinchu (outside the leopard cat habitats). Additionally, the study compared differences in WTP between adults and children. It was noted that children and adults, living both within and outside the habitats, thought it was highly valuable to conserve leopard cat habitats. If appropriate mechanisms can be created to protect the habitats of leopard cats, it will be possible to create ecological triple-wins for residents, tourists, and leopard cats. Doing so will also care for adults’ present-day and children’s future ecosystems, creating benefits for the sustainable development of the environment, economy, and society.