diff --git a/apps/as/src/entities/instl-sncn/model/instl-sncn-interface.ts b/apps/as/src/entities/instl-sncn/model/instl-sncn-interface.ts
index 6ead54c13..4bbd7ae24 100644
--- a/apps/as/src/entities/instl-sncn/model/instl-sncn-interface.ts
+++ b/apps/as/src/entities/instl-sncn/model/instl-sncn-interface.ts
@@ -39,11 +39,48 @@ export interface AdstZoneResponseDto {
 
 export const INSTL_SNCN_REGISTER_SELECTION_KEY = "instlSncnRegisterSelection";
 
+/** 백엔드 InstlSncnMngSearchDto + Pageable */
 export interface InstlSncnMngSearchParams extends PageableParams {
-  bizNm?: string;
+  /** 설치인가문서번호 */
+  instlSncnDocNo?: string;
+  /** 행정구역코드 */
+  admdstCd?: string;
+  /** 환경청구분공통코드 */
+  envoSeComCd?: string;
+  /** 업무구분공통코드 */
   taskSeComCd?: string;
-  sidoComCd?: string;
-  sggComCd?: string;
+  /** 예산사업코드 */
+  bgtBizCd?: string;
+  /** 예산신청연도 */
+  bgtAplyYr?: string;
+  /** 사업명 */
+  bizNm?: string;
+  /** 사업시작연도 */
+  bizBgngYr?: string;
+  /** 사업종료연도 */
+  bizEndYr?: string;
+  /** 사업내용 */
+  bizCn?: string;
+  /** 신청자명 */
+  aplcntNm?: string;
+  /** 신청자휴대전화번호 */
+  aplcntMblTelno?: string;
+  /** 신청자소속명 */
+  aplcntOgdpNm?: string;
+  /** 신청자이메일주소 */
+  aplcntEmlAddr?: string;
+  /** 설계자명 */
+  dsgnrNm?: string;
+  /** 설계자전화번호 */
+  dsgnrTelno?: string;
+  /** 설계자소속명 */
+  dsgnrOgdpNm?: string;
+  /** 설계자이메일주소 */
+  dsgnrEmlAddr?: string;
+  /** 첨부파일그룹아이디 */
+  atchFileGroupId?: string;
+  /** 진행상태공통코드 */
+  prgrsSttsComCd?: string;
 }
 
 /** 설치인가관리 저장 요청 DTO */
diff --git a/apps/as/src/pages/instl-sncn/ui/instl-list-page.tsx b/apps/as/src/pages/instl-sncn/ui/instl-list-page.tsx
index fe3bb4417..920127a49 100644
--- a/apps/as/src/pages/instl-sncn/ui/instl-list-page.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/instl-list-page.tsx
@@ -29,8 +29,7 @@ const EMPTY_ADST_LIST: CmCdAdstDstrComboResponseDto[] = [];
 const DEFAULT_SEARCH_PARAMS: InstlSncnMngSearchParams = {
   bizNm: "",
   taskSeComCd: "",
-  sidoComCd: "",
-  sggComCd: "",
+  admdstCd: "",
   page: DEFAULT_PAGE_INDEX,
   size: DEFAULT_PAGE_SIZE,
   sort: DEFAULT_SORT,
@@ -59,8 +58,9 @@ function InstlListPage() {
       ...DEFAULT_SEARCH_PARAMS,
       bizNm,
       taskSeComCd,
-      sidoComCd,
-      sggComCd,
+      admdstCd: sggComCd || sidoComCd || "",
+      page: DEFAULT_PAGE_INDEX,
+      size: pagination.pageSize,
     });
   };
 
diff --git a/apps/as/src/pages/instl-sncn/ui/instl-list.tsx b/apps/as/src/pages/instl-sncn/ui/instl-list.tsx
index 79ff4586e..c42978db3 100644
--- a/apps/as/src/pages/instl-sncn/ui/instl-list.tsx
+++ b/apps/as/src/pages/instl-sncn/ui/instl-list.tsx
@@ -32,8 +32,7 @@ function InstlList({ searchParams, pagination, onPaginationChange }: InstlListPr
     () => ({
       bizNm: searchParams.bizNm,
       taskSeComCd: searchParams.taskSeComCd,
-      sidoComCd: searchParams.sidoComCd,
-      sggComCd: searchParams.sggComCd,
+      admdstCd: searchParams.admdstCd,
       page: pagination.pageIndex,
       size: pagination.pageSize,
       sort: searchParams.sort ?? "instlSncnDocNo,desc",