The school site of Patin-ay National High School started through Tax Declaration 1664 in the name of Socorro P. Elumba and Tax Declaration 11271 in the name of the Province of Agusan del Sur which later donated to D.O. Plaza Enterprises Incorporated, then, to the Province of Agusan del Sur. It is the province of Agusan del Sur who donated again the land to Agusan del Sur School of Arts and Trades (ASSAT). Being a turn-over school to DEPED, it is now in the process of relocating the land in an area of 18,777.50 sq.meters purposely for further usage.