This study was conducted to determine the Inventory of palms in five (5) sampling sites in Mondragon, Northern Samar. Particularly in Barangay Cablangan, Talolora, Nenita, Mirador, and San Antonio. Specifically, this study attempted to: identify the different palm species in the study area: determine the abundant palm species in the locality; and to determine the environmental parameters prevailing in the study area. Based on the data gathered, it is conducted that 10-palm species in the five sampling sites in Barangay of Mondragon, Northern Samar were found. The ten-palm species, in their local name are: Adonidia marrillii, (Manila palm) Pandanus Amarylifolilius Roxb (pandan), Chrysalidocarpuz lutuscens Bory H. Roxb. (buri), Cococ nucifera Linnaeus (Lubi), Livistona rotundifolia (Lam) Mart. (anahaw), Crytotachts renda blume (red palm), (jelly palm) and Cycas Revoluta Thumb (Sago palm). The most abundant of the species were, lubi, 91.96, anahaw 3.55; nipa 0.22; red palm 0.57; buri 1.28, palmera 0.33, jelly palm 0.41, sago with 0.33. The economic importance of the palms includes food production, for medicine, for house construction, handicraft, related uses and ornamental. Environmental parameters such as the substrate types of loam, sand, clay on a combination of sandy loam and clay loam substrate with slightly acidic pH of 5 to 6 and temperature of 27.4◦C-28.17◦C. the data on these parameters were taken simultaneously with the sampling of palm in each study area.