After the retrocession of Taiwan from Japan to the Republic of China, the people of Taipei County started to repair and reconstruct the temple, which was almost in ruins after war.
第三次重建，是在日本投降，台灣光復之後。當時的祖師廟，由於年久失修，殘破不堪，逢雨便漏水，的確亟待整修。而徵調海外作戰的三峽人歸來後，都覺得能夠歷經戰火，平安歸來，是祖師公在冥冥中保護，便聯合請願重修，因而更增三峽人重修祖師廟的信念。