diff --git a/egovframe-template-simple-react-contribution/src/pages/admin/board/EgovAdminBoardEdit.jsx b/egovframe-template-simple-react-contribution/src/pages/admin/board/EgovAdminBoardEdit.jsx
index 1d4bf1b..935c2ca 100644
--- a/egovframe-template-simple-react-contribution/src/pages/admin/board/EgovAdminBoardEdit.jsx
+++ b/egovframe-template-simple-react-contribution/src/pages/admin/board/EgovAdminBoardEdit.jsx
@@ -32,6 +32,7 @@ function EgovAdminBoardEdit({props, reloadFunction}) {
 
     const [bbsTypeList, setBbsTypeList] = useState([]);
     const [roleList, setRoleList] = useState([]);
+    const [duplicateYn, setDuplicateYn] = useState("");
 
     const retrieveList = useCallback(() => {
         const retrieveListURL = '/admin/boards/mgt/get-option-list';
@@ -72,6 +73,20 @@ function EgovAdminBoardEdit({props, reloadFunction}) {
     function editBoard(e) {
         e.preventDefault();
         e.stopPropagation();
+
+        if (modeInfo.mode === CODE.MODE_CREATE) {
+            if (duplicateYn === "") {
+                alert("중복확인을 해주세요.");
+                return;
+            } else if (duplicateYn === "Y") {
+                alert("중복된 아이디 입니다.");
+                return;
+            } else if (duplicateYn === "C") {
+                alert("중복확인을 다시 해주세요.");
+                return;
+            }
+        }
+
         const form = e.target;
         const info = {
             bbsId: form.bbsId.value,
@@ -103,7 +118,7 @@ function EgovAdminBoardEdit({props, reloadFunction}) {
                 } else if (Number(resp.resultCode) === Number(CODE.RCV_ERROR_AUTH)) {
                     console.log("토큰 갱신중.")
                 } else {
-                    alert(resp.result.resultMessage)
+                    alert(resp.resultMessage);
                 }
             }
         )
@@ -133,6 +148,44 @@ function EgovAdminBoardEdit({props, reloadFunction}) {
         }
     }
 
+    const handleInputChange = (e) => {
+        setDuplicateYn("C");
+    };
+
+    const handleCheckDuplicate = () => {
+        const bbsId = document.querySelector('[name="bbsId"]').value;
+        if (!bbsId.trim()) {
+            alert("게시판 ID를 입력해주세요.");
+            return;
+        }
+
+        const checkDuplicateURL = '/admin/boards/mgt/check-duplicate?bbsId=' + bbsId;
+
+        const requestOptions = {
+            method: "GET",
+            headers: {
+                'Content-type': 'application/json',
+            }
+        }
+
+        EgovNet.requestFetch(checkDuplicateURL,
+            requestOptions,
+            (resp) => {
+                setDuplicateYn(resp.result.duplicateYn);
+                console.log("@@@ duplicateYn : " + JSON.stringify(resp.result.duplicateYn));
+                if (resp.result.duplicateYn === "Y") {
+                    alert("중복된 아이디 입니다.");
+                }
+                else if (resp.result.duplicateYn === "N") {
+                    alert("사용 가능한 아이디 입니다.");
+                }
+            },
+            function (resp) {
+                console.log("err response : ", resp);
+            }
+        );
+    }
+
     console.log("------------------------------EgovAdminBoardEdit [End]");
     console.groupEnd("EgovAdminBoardEdit");
 
@@ -157,7 +210,12 @@ function EgovAdminBoardEdit({props, reloadFunction}) {
                             <dt><label htmlFor="bbsId">게시판 ID</label><span className="req">필수</span></dt>
                             <dd>
                                 <Form.Control className="f_input2 w_full" type="text" name="bbsId" placeholder="게시판 ID" required
-                                              defaultValue={props?.bbsId} readOnly={props!==undefined}/>
+                                              defaultValue={props?.bbsId} readOnly={modeInfo.mode === CODE.MODE_MODIFY} onChange={handleInputChange}/>
+                            </dd>
+                            <dd>
+                                {modeInfo.mode !== CODE.MODE_MODIFY && (
+                                <button type="button" className="btn btn_skyblue_h46 w_100" onClick={handleCheckDuplicate}>중복확인</button>
+                                )}
                             </dd>
                         </dl>
                         <dl>
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java
index 2ae995b..b851ff6 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/AdminBoardsController.java
@@ -83,6 +83,25 @@ public class AdminBoardsController extends BaseController {
         return resultVO;
     }
 
+    @Operation(
+            summary = "게시판 ID 중복 확인",
+            description = "게시판 ID 중복 확인",
+            tags = {"AdminBoardsController"}
+    )
+    @ApiResponses(value = {
+            @ApiResponse(responseCode = "200", description = "조회 성공"),
+            @ApiResponse(responseCode = "403", description = "인가된 사용자가 아님")
+    })
+    @RequestMapping(method = RequestMethod.GET, value = "/mgt/check-duplicate", consumes = MediaType.APPLICATION_JSON_VALUE)
+    public ResultVO checkDuplicate(String bbsId) throws Exception {
+        ResultVO resultVO = new ResultVO();
+        Map<String, Object> resultMap = new HashMap<>();
+
+        resultMap.put("duplicateYn", adminBoardsService.checkDuplicate(bbsId));
+        resultVO.setResult(resultMap);
+        return resultVO;
+    }
+
     @Operation(
             summary = "게시판 저장",
             description = "게시판 저장",
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/repository/TnBbsRepository.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/repository/TnBbsRepository.java
index b700de4..393b11d 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/repository/TnBbsRepository.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/repository/TnBbsRepository.java
@@ -4,9 +4,12 @@ import com.dbnt.kcscbackend.admin.boards.entity.TnBbs;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface TnBbsRepository extends JpaRepository<TnBbs, Long> {
 
     List<TnBbs> findAllByOrderByBbsSeqDesc();
 
+    Optional<TnBbs> findByBbsId(String bbsId);
+
 }
diff --git a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java
index 1a60c3f..9bd1902 100644
--- a/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java
+++ b/kcsc-back-end/src/main/java/com/dbnt/kcscbackend/admin/boards/service/AdminBoardsService.java
@@ -33,6 +33,13 @@ public class AdminBoardsService extends EgovAbstractServiceImpl {
         return tnBbsRepository.findAllByOrderByBbsSeqDesc();
     }
 
+    public String checkDuplicate(String bbsId) {
+        Optional<TnBbs> result = tnBbsRepository.findByBbsId(bbsId);
+        String duplicateYn = result.isPresent() ? "Y" : "N";
+        System.out.println("@@@ duplicateYn : " + duplicateYn);
+        return duplicateYn;
+    }
+
     @Transactional
     public void saveBoard(TnBbs bbs, String userId) {
         if (bbs.getBbsSeq() == null) {