diff --git a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/dataobject/house/HouseDO.java b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/dataobject/house/HouseDO.java
index e11896a..9456c10 100644
--- a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/dataobject/house/HouseDO.java
+++ b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/dataobject/house/HouseDO.java
@@ -3,7 +3,7 @@ package com.fjrcloud.community.module.community.dal.dataobject.house;
 import com.baomidou.mybatisplus.annotation.KeySequence;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import com.fjrcloud.community.framework.mybatis.core.dataobject.BaseDO;
+import com.fjrcloud.community.framework.tenant.core.db.TenantBaseDO;
 import lombok.*;
 
 import java.math.BigDecimal;
@@ -21,7 +21,7 @@ import java.math.BigDecimal;
 @Builder
 @NoArgsConstructor
 @AllArgsConstructor
-public class HouseDO extends BaseDO {
+public class HouseDO extends TenantBaseDO {
 
     /**
      * 主键ID
diff --git a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/mysql/house/HouseMapper.java b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/mysql/house/HouseMapper.java
index a05cd7c..e139b72 100644
--- a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/mysql/house/HouseMapper.java
+++ b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/dal/mysql/house/HouseMapper.java
@@ -30,4 +30,13 @@ public interface HouseMapper extends BaseMapperX<HouseDO> {
                 .orderByDesc(HouseDO::getId));
     }
 
+    default HouseDO selectByCommunityAndRoom(Long communityId, String buildingNo, String unitNo, String roomNo) {
+        return selectOne(new LambdaQueryWrapperX<HouseDO>()
+                .eq(HouseDO::getCommunityId, communityId)
+                .eq(HouseDO::getBuildingNo, buildingNo)
+                .eq(HouseDO::getUnitNo, unitNo)
+                .eq(HouseDO::getRoomNo, roomNo)
+                .last("LIMIT 1"));
+    }
+
 }
\ No newline at end of file
diff --git a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/enums/ErrorCodeConstants.java b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/enums/ErrorCodeConstants.java
index eb29b0c..c3acb93 100644
--- a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/enums/ErrorCodeConstants.java
+++ b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/enums/ErrorCodeConstants.java
@@ -19,6 +19,8 @@ public interface ErrorCodeConstants {
 
     ErrorCode HOUSE_IMPORT_LIST_IS_EMPTY = new ErrorCode(2_001_001_002, "导入房屋数据不能为空！");
 
+    ErrorCode HOUSE_DUPLICATE = new ErrorCode(2_001_001_003, "该小区已存在相同的房屋【{}号楼-{}单元-{}室】");
+
     ErrorCode MEMBER_HOUSE_NOT_EXISTS = new ErrorCode(2_002_001_002, "业主认证信息不存在");
 
     ErrorCode MEMBER_HOUSE_EXISTS = new ErrorCode(2_002_001_003, "该房屋已存在认证记录，请勿重复提交");
diff --git a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/service/house/HouseServiceImpl.java b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/service/house/HouseServiceImpl.java
index 99fb7aa..7e80e91 100644
--- a/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/service/house/HouseServiceImpl.java
+++ b/fjrcloud-module-community/src/main/java/com/fjrcloud/community/module/community/service/house/HouseServiceImpl.java
@@ -28,8 +28,7 @@ import java.util.stream.Collectors;
 
 import static com.fjrcloud.community.framework.common.exception.util.ServiceExceptionUtil.exception;
 import static com.fjrcloud.community.framework.tenant.core.security.TenantSecurityWebFilter.SYSTEM_TENANT_ID;
-import static com.fjrcloud.community.module.community.enums.ErrorCodeConstants.HOUSE_IMPORT_LIST_IS_EMPTY;
-import static com.fjrcloud.community.module.community.enums.ErrorCodeConstants.HOUSE_NOT_EXISTS;
+import static com.fjrcloud.community.module.community.enums.ErrorCodeConstants.*;
 
 /**
  * 房屋信息主 Service 实现类
@@ -51,8 +50,15 @@ public class HouseServiceImpl implements HouseService {
 
     @Override
     public Long createHouse(HouseSaveReqVO createReqVO) {
+        // 校验房屋是否重复（同一小区、同一楼号、同一单元号、同一门牌号）
+        validateHouseDuplicate(null, createReqVO.getCommunityId(), 
+                createReqVO.getBuildingNo(), createReqVO.getUnitNo(), createReqVO.getRoomNo());
+        
         // 插入
         HouseDO house = BeanUtils.toBean(createReqVO, HouseDO.class);
+        if(Objects.equals(TenantContextHolder.getTenantId(), SYSTEM_TENANT_ID)){
+            house.setTenantId(house.getCommunityId());
+        }
         houseMapper.insert(house);
 
         // 返回
@@ -63,8 +69,16 @@ public class HouseServiceImpl implements HouseService {
     public void updateHouse(HouseSaveReqVO updateReqVO) {
         // 校验存在
         validateHouseExists(updateReqVO.getId());
+        
+        // 校验房屋是否重复（排除当前记录）
+        validateHouseDuplicate(updateReqVO.getId(), updateReqVO.getCommunityId(), 
+                updateReqVO.getBuildingNo(), updateReqVO.getUnitNo(), updateReqVO.getRoomNo());
+        
         // 更新
         HouseDO updateObj = BeanUtils.toBean(updateReqVO, HouseDO.class);
+        if(Objects.equals(TenantContextHolder.getTenantId(), SYSTEM_TENANT_ID)){
+            updateObj.setTenantId(updateObj.getCommunityId());
+        }
         houseMapper.updateById(updateObj);
     }
 
@@ -89,6 +103,24 @@ public class HouseServiceImpl implements HouseService {
         }
     }
 
+    /**
+     * 校验房屋是否重复
+     *
+     * @param id 房屋ID（更新时传入，新增时传null）
+     * @param communityId 小区ID
+     * @param buildingNo 楼号
+     * @param unitNo 单元号
+     * @param roomNo 门牌号
+     */
+    private void validateHouseDuplicate(Long id, Long communityId, String buildingNo, String unitNo, String roomNo) {
+        HouseDO existHouse = houseMapper.selectByCommunityAndRoom(communityId, buildingNo, unitNo, roomNo);
+        
+        // 如果找到了重复的房屋，且不是当前正在更新的房屋，则抛出异常
+        if (existHouse != null && !Objects.equals(existHouse.getId(), id)) {
+            throw exception(HOUSE_DUPLICATE, buildingNo, unitNo, roomNo);
+        }
+    }
+
     @Override
     public HouseDO getHouse(Long id) {
         return houseMapper.selectById(id);