diff --git a/src/hooks/common/useMasterController.js b/src/hooks/common/useMasterController.js
index f13d3e74..b46adc81 100644
--- a/src/hooks/common/useMasterController.js
+++ b/src/hooks/common/useMasterController.js
@@ -3,8 +3,11 @@ import { useMessage } from '@/hooks/useMessage'
 import { useSwal } from '@/hooks/useSwal'
 import { sessionStore } from '@/store/commonAtom'
 import { getQueryString } from '@/util/common-utils'
-import { useRecoilValue } from 'recoil'
+import { atom, useRecoilState, useRecoilValue } from 'recoil'
 
+
+// API 요청을 저장할 모듈 레벨 변수 (Hook 외부)
+let roofMaterialPromise = null;
 /**
  * 마스터 컨트롤러 훅
  * @returns
@@ -20,10 +23,23 @@ export function useMasterController() {
    * @returns
    */
   const getRoofMaterialList = async () => {
-    return await get({ url: '/api/v1/master/getRoofMaterialList' }).then((res) => {
-      // console.log('🚀🚀 ~ getRoofMaterialList ~ res:', res)
-      return res
-    })
+    // 1. 이미 진행 중이거나 완료된 Promise가 있으면 그것을 반환
+    if (roofMaterialPromise) {
+      return roofMaterialPromise;
+    }
+
+    // 2. 처음 호출될 때 Promise를 생성하여 변수에 할당
+    roofMaterialPromise = get({ url: '/api/v1/master/getRoofMaterialList' })
+      .then((res) => {
+        return res;
+      })
+      .catch((error) => {
+        // 에러 발생 시 다음 호출을 위해 초기화
+        roofMaterialPromise = null;
+        throw error;
+      });
+
+    return roofMaterialPromise;
   }
 
   /**