The specific name, luzonensis, refers to Luzon island in the Philippines, the type locality.

[6] Ptyas luzonensis is endemic to the Philippine islands of Luzon, Pollilo, Catanduanes, Leyte, Panay, and Negros.

[2] It inhabits lowland tropical forests but can also tolerate a wide variety of habitats.

It frequents the forest floor during daytime and prefers vegetation and plant branches near bodies of water at night.

[8] IUCN red list version 3.1 in 2022 categorized P. luzonensis as a least-concern species.