diff --git a/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/main/crdnLevyPrvntc/levyPrvntcPopup.jsp b/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/main/crdnLevyPrvntc/levyPrvntcPopup.jsp
index 879f825..cb4cf31 100644
--- a/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/main/crdnLevyPrvntc/levyPrvntcPopup.jsp
+++ b/src/main/webapp/WEB-INF/views/crdn/crndRegistAndView/main/crdnLevyPrvntc/levyPrvntcPopup.jsp
@@ -182,7 +182,7 @@
                                     <th style="border-bottom: 0;">시가표준액<br/>(1,000원미만절삭)</th>
                                 </tr>
                                 <tr>
-                                    <td style="border-right: 0; border-bottom: 0;"><input type="text" class="input" id="bldgNewPrcCrtrAmt_nm" readonly/></td>
+                                    <td style="border-right: 0; border-bottom: 0;"><input type="text" class="input numericMask" id="bldgNewPrcCrtrAmt_nm" readonly/></td>
                                     <td rowspan="2" style="width: 23px; border-right: 0;">X</td>
                                     <td style="border-right: 0; border-bottom: 0;"><input type="text" class="input" id="strctIdx_nm" readonly/></td>
                                     <td rowspan="2" style="width: 23px; border-right: 0;">X</td>
@@ -201,16 +201,16 @@
                                         </select>
                                     </td>
                                     <td rowspan="2" style="width: 23px; border-right: 0;">=</td>
-                                    <td rowspan="2" style="border-right: 0; border-bottom: 0;"><input type="text" class="input" id="taxableMarketPrice" readonly/></td>
-                                    <td rowspan="2" style="border-bottom: 0;"><input type="text" class="input" id="standardMarketPrice" readonly/></td>
+                                    <td rowspan="2" style="border-right: 0; border-bottom: 0;"><input type="text" class="input numericMask" id="taxableMarketPrice" readonly/></td>
+                                    <td rowspan="2" style="border-bottom: 0;"><input type="text" class="input numericMask" id="standardMarketPrice" readonly/></td>
                                 </tr>
                                 <tr>
-                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input" id="bldgNewPrcCrtrAmt"/></td>
-                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input" id="strctIdx"/></td>
-                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input" id="usgIdx"/></td>
-                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input" id="pstnIdx"/></td>
-                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input" id="elpsYrRdvlrt" value="" /></td>
-                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input" id="bscsCstrnRt" readonly/></td>
+                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input numericMask" id="bldgNewPrcCrtrAmt"/></td>
+                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input decimalMask" id="strctIdx"/></td>
+                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input decimalMask" id="usgIdx"/></td>
+                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input decimalMask" id="pstnIdx"/></td>
+                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input numericMask" id="elpsYrRdvlrt" value="" /></td>
+                                    <td style="border-right: 0; border-top: 0;"><input type="text" class="input numericMask" id="bscsCstrnRt" readonly/></td>
                                 </tr>
                             </table>
                         </div>
@@ -455,10 +455,17 @@
                         } else {
                             rate = "";
                         }
-                        $('#bscsCstrnRt').val(rate);
+                        $('#bscsCstrnRt').val(rate).trigger('input');
+                        
+                        // 자동계산 함수 호출
+                        calculateAuto();
                     }
                 }
             });
+
+            // 계산에 사용되는 입력 필드 변경 시 자동 계산 호출
+            var calculationInputs = '#bldgNewPrcCrtrAmt, #strctIdx, #usgIdx, #pstnIdx, #elpsYrRdvlrt';
+            $(document).on('change', calculationInputs, calculateAuto);
         },
 
         /**
@@ -569,6 +576,31 @@
 
     };
 
+    /**
+     * 자동 계산
+     * @description 각 항목의 값을 곱하여 건축물과세시가와 시가표준액을 계산합니다.
+     *              - 건축물과세시가 = 건물기준시가액 * 구조지수 * 용도지수 * 위치지수 * 경과년수별잔가율 * 기초공사율
+     *              - 시가표준액 = 건축물과세시가에서 1,000원 미만 절사
+     */
+    function calculateAuto() {
+        var bldgNewPrcCrtrAmt = parseFloat($('#bldgNewPrcCrtrAmt').inputmask('unmaskedvalue')) || 0;
+        var strctIdx = parseFloat($('#strctIdx').inputmask('unmaskedvalue')) || 0;
+        var usgIdx = parseFloat($('#usgIdx').inputmask('unmaskedvalue')) || 0;
+        var pstnIdx = parseFloat($('#pstnIdx').inputmask('unmaskedvalue')) || 0;
+        var elpsYrRdvlrt = parseFloat($('#elpsYrRdvlrt').inputmask('unmaskedvalue')) || 0;
+        var bscsCstrnRt = parseFloat($('#bscsCstrnRt').inputmask('unmaskedvalue')) || 0;
+
+        // 건축물과세시가 계산
+        var taxableMarketPrice = bldgNewPrcCrtrAmt * strctIdx * usgIdx * pstnIdx * elpsYrRdvlrt * bscsCstrnRt;
+        
+        // 시가표준액 계산: 1,000원 미만 절사
+        var standardMarketPrice = Math.floor(taxableMarketPrice / 1000) * 1000;
+
+        // 계산된 값을 input 필드에 설정
+        $('#taxableMarketPrice').val(Math.round(taxableMarketPrice)).trigger('focus');
+        $('#standardMarketPrice').val(standardMarketPrice).trigger('focus');
+    }
+
     /**
      * 그리드 행 선택시 실행되는 함수
      * @param rowData
@@ -577,8 +609,8 @@
         if (!rowData) return;
         $('#bscsCstrnRt').val('');
 
-        $('#bldgNewPrcCrtrAmt_nm').val(rowData.bldgNewPrcCrtrAmt ? parseFloat(rowData.bldgNewPrcCrtrAmt).toLocaleString() : '');
-        $('#bldgNewPrcCrtrAmt').val();
+        $('#bldgNewPrcCrtrAmt_nm').val(rowData.bldgNewPrcCrtrAmt).trigger('focus');
+        $('#bldgNewPrcCrtrAmt').val(rowData.bldgNewPrcCrtrAmt).trigger('focus');
 
         $('#strctIdx_nm').val(rowData.strctIdxCdNm);
         $('#strctIdx').val(rowData.strctIdx);
diff --git a/src/main/webapp/WEB-INF/views/layouts/base/default.jsp b/src/main/webapp/WEB-INF/views/layouts/base/default.jsp
index 97c611c..68933b4 100644
--- a/src/main/webapp/WEB-INF/views/layouts/base/default.jsp
+++ b/src/main/webapp/WEB-INF/views/layouts/base/default.jsp
@@ -56,7 +56,10 @@
     <script type="text/javascript" src="<c:url value='/plugins/feather-icons/feather.min.js' />"></script>
     <script type="text/javascript" src="<c:url value='/plugins/DataTables/datatables.js' />"></script>
     <script type="text/javascript" src="<c:url value='/plugins/crypto-js/crypto-js-4.0.0.js' />"></script>
-    <script type="text/javascript" src="<c:url value='/plugins/inputmask-4.x/jquery.inputmask.bundle.js' />"></script>
+    <%--<script type="text/javascript" src="<c:url value='/plugins/inputmask-4.x/jquery.inputmask.bundle.js' />"></script>--%>
+    <%-- inputmask 변경 테스트 필요 --%>
+    <%--<script src="https://cdnjs.cloudflare.com/ajax/libs/inputmask/5.0.7/jquery.inputmask.min.js"></script>--%>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.inputmask/3.3.11/jquery.inputmask.bundle.min.js"></script>
 
     <%-- tui grid --%>
     <link rel="stylesheet" type="text/css" href="<c:url value='/plugins/tuiGrid/tui-date-picker.css' />">
diff --git a/src/main/webapp/WEB-INF/views/layouts/popup/default.jsp b/src/main/webapp/WEB-INF/views/layouts/popup/default.jsp
index 2304a34..87034a8 100644
--- a/src/main/webapp/WEB-INF/views/layouts/popup/default.jsp
+++ b/src/main/webapp/WEB-INF/views/layouts/popup/default.jsp
@@ -52,7 +52,10 @@
     <script type="text/javascript" src="<c:url value='/plugins/feather-icons/feather.min.js' />"></script>
     <script type="text/javascript" src="<c:url value='/plugins/DataTables/datatables.js' />"></script>
     <script type="text/javascript" src="<c:url value='/plugins/crypto-js/crypto-js-4.0.0.js' />"></script>
-    <script type="text/javascript" src="<c:url value='/plugins/inputmask-4.x/jquery.inputmask.bundle.js' />"></script>
+    <%--<script type="text/javascript" src="<c:url value='/plugins/inputmask-4.x/jquery.inputmask.bundle.js' />"></script>--%>
+    <%-- inputmask 변경 테스트 필요 --%>
+    <%--<script src="https://cdnjs.cloudflare.com/ajax/libs/inputmask/5.0.7/jquery.inputmask.min.js"></script>--%>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.inputmask/3.3.11/jquery.inputmask.bundle.min.js"></script>
 
     <%-- tui grid --%>
     <link rel="stylesheet" type="text/css" href="<c:url value='/plugins/tuiGrid/tui-date-picker.css' />">
diff --git a/src/main/webapp/resources/xit/common_util.js b/src/main/webapp/resources/xit/common_util.js
index 25aa10c..e6a63f4 100644
--- a/src/main/webapp/resources/xit/common_util.js
+++ b/src/main/webapp/resources/xit/common_util.js
@@ -84,6 +84,7 @@ $(document).ready(function () {
 		});
 	});
 
+
 	// 중요로직: Strct_Idx_Cd 전용 마스크 - 숫자 3자리
 	$("body").on("focus", ".strctIdxCdMask", function () {
 	    $(this).inputmask({