diff --git a/backend/src/main/java/com/example/backend/analysis/controller/CaseStatsController.java b/backend/src/main/java/com/example/backend/analysis/controller/CaseStatsController.java
index 267c41d2..2b3e3aa1 100644
--- a/backend/src/main/java/com/example/backend/analysis/controller/CaseStatsController.java
+++ b/backend/src/main/java/com/example/backend/analysis/controller/CaseStatsController.java
@@ -10,7 +10,6 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import java.util.NoSuchElementException;
 
 @RestController
 @RequestMapping("/api/v1/stats")
@@ -22,16 +21,13 @@ public class CaseStatsController {
     // 개요 조회
     @GetMapping("/overview")
     public ResponseEntity<?> getOverview(HttpSession session) {
-        try {
-            CaseStatsOverviewResponse response = caseStatsService.getOverview(session);
-            return ResponseEntity.ok(response);
-        } catch (IllegalStateException e) {
-            return ResponseEntity.status(401).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (NoSuchElementException e) {
-            return ResponseEntity.status(404).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (Exception e) {
-            return ResponseEntity.status(500).body(Collections.singletonMap("message", "내부 서버 오류 발생"));
+        // 결과가 없으면 404, 있으면 200
+        CaseStatsOverviewResponse response = caseStatsService.getOverview(session);
+        if (response == null) {
+            return ResponseEntity.status(404)
+                    .body(Collections.singletonMap("message", "개요 정보가 없습니다."));
         }
+        return ResponseEntity.ok(response);
     }
 
     // 시간대별 사건 수 조회 (0시~23시 모두 반환)
@@ -39,16 +35,12 @@ public ResponseEntity<?> getOverview(HttpSession session) {
     public ResponseEntity<?> getHourlyCaseStats(@RequestParam("date") String date,
                                                 @RequestParam(value = "category", required = false) String category,
                                                 HttpSession session) {
-        try {
-            List<HourlyCaseStatsResponse> stats = caseStatsService.getHourlyCaseStats(date, category, session);
-            return ResponseEntity.ok(stats);
-        } catch (IllegalStateException e) {
-            return ResponseEntity.status(401).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (NoSuchElementException e) {
-            return ResponseEntity.status(404).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (Exception e) {
-            return ResponseEntity.status(500).body(Collections.singletonMap("message", "내부 서버 오류가 발생했습니다."));
+        List<HourlyCaseStatsResponse> stats = caseStatsService.getHourlyCaseStats(date, category, session);
+        if (stats.isEmpty()) {
+            return ResponseEntity.status(404)
+                    .body(Collections.singletonMap("message", "시간대별 사건 정보가 없습니다."));
         }
+        return ResponseEntity.ok(stats);
     }
 
     // 월별/일별 사건 수 조회 (month 파라미터 존재 여부에 따라 분기; 전체 범위를 0으로 채워 반환)
@@ -57,70 +49,36 @@ public ResponseEntity<?> getCaseStats(@RequestParam("year") int year,
                                           @RequestParam(value = "month", required = false) Integer month,
                                           @RequestParam(value = "category", required = false) String category,
                                           HttpSession session) {
-        try {
-            if (month == null) {
-                List<MonthlyCaseStatsResponse> monthlyStats = caseStatsService.getMonthlyCaseStats(year, category, session);
-                return ResponseEntity.ok(monthlyStats);
-            }
-            List<DailyCaseStatsResponse> dailyStats = caseStatsService.getDailyCaseStats(year, month, category, session);
-            return ResponseEntity.ok(dailyStats);
-        } catch (IllegalStateException e) {
-            return ResponseEntity.status(401).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (NoSuchElementException e) {
-            return ResponseEntity.status(404).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (Exception e) {
-            return ResponseEntity.status(500).body(Collections.singletonMap("message", "내부 서버 오류가 발생했습니다."));
+        // month가 없으면 월별 데이터
+        if (month == null) {
+            List<MonthlyCaseStatsResponse> monthlyStats = caseStatsService.getMonthlyCaseStats(year, category, session);
+            return ResponseEntity.ok(monthlyStats);
         }
+
+        // month가 있으면 일별 데이터
+        List<DailyCaseStatsResponse> dailyStats = caseStatsService.getDailyCaseStats(year, month, category, session);
+        return ResponseEntity.ok(dailyStats);
     }
 
     // 유형별 사건 수 조회 (기본 카테고리 0 포함)
     @GetMapping("/category")
     public ResponseEntity<?> getCategoryCaseStats(@RequestParam("period") String period, HttpSession session) {
-        try {
-            Map<String, Integer> stats = caseStatsService.getCategoryCaseStats(period, session);
-            return ResponseEntity.ok(stats);
-        } catch (IllegalStateException e) {
-            return ResponseEntity.status(401).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (IllegalArgumentException e) {
-            return ResponseEntity.status(400).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (NoSuchElementException e) {
-            return ResponseEntity.status(404).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (Exception e) {
-            return ResponseEntity.status(500).body(Collections.singletonMap("message", "내부 서버 오류가 발생했습니다."));
-        }
+        Map<String, Integer> stats = caseStatsService.getCategoryCaseStats(period, session);
+        return ResponseEntity.ok(stats);
     }
 
     // 장소별 사건 수 조회
     @GetMapping("/location")
     public ResponseEntity<?> getLocationCaseStats(@RequestParam("period") String period, HttpSession session) {
-        try {
-            List<LocationCaseStatsResponse> stats = caseStatsService.getLocationCaseStats(period, session);
-            return ResponseEntity.ok(stats);
-        } catch (IllegalStateException e) {
-            return ResponseEntity.status(401).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (IllegalArgumentException e) {
-            return ResponseEntity.status(400).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (NoSuchElementException e) {
-            return ResponseEntity.status(404).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (Exception e) {
-            return ResponseEntity.status(500).body(Collections.singletonMap("message", "내부 서버 오류가 발생했습니다."));
-        }
+        List<LocationCaseStatsResponse> stats = caseStatsService.getLocationCaseStats(period, session);
+        return ResponseEntity.ok(stats);
     }
 
     // 지도용 장소별 사건 수 조회
     @GetMapping("/map")
     public ResponseEntity<?> getMapCaseStats(@RequestParam("period") String period, HttpSession session) {
-        try {
-            List<MapCaseStatsResponse> stats = caseStatsService.getMapCaseStats(period, session);
-            return ResponseEntity.ok(stats);
-        } catch (IllegalStateException e) {
-            return ResponseEntity.status(401).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (IllegalArgumentException e) {
-            return ResponseEntity.status(400).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (NoSuchElementException e) {
-            return ResponseEntity.status(404).body(Collections.singletonMap("message", e.getMessage()));
-        } catch (Exception e) {
-            return ResponseEntity.status(500).body(Collections.singletonMap("message", "내부 서버 오류가 발생했습니다."));
-        }
+        List<MapCaseStatsResponse> stats = caseStatsService.getMapCaseStats(period, session);
+        return ResponseEntity.ok(stats);
     }
+
 }
diff --git a/backend/src/main/java/com/example/backend/analysis/dto/CaseStatsOverviewResponse.java b/backend/src/main/java/com/example/backend/analysis/dto/CaseStatsOverviewResponse.java
index c8e38534..c27d547e 100644
--- a/backend/src/main/java/com/example/backend/analysis/dto/CaseStatsOverviewResponse.java
+++ b/backend/src/main/java/com/example/backend/analysis/dto/CaseStatsOverviewResponse.java
@@ -1,12 +1,25 @@
 package com.example.backend.analysis.dto;
 
+import com.example.backend.common.domain.CaseEntity;
+import com.example.backend.common.domain.CaseStatsOverviewEntity;
 import lombok.*;
 
 @Data
+@Builder
+@NoArgsConstructor
 @AllArgsConstructor
 public class CaseStatsOverviewResponse {
     private int recentCase;
     private int todayCase;
-    private String mostCase;
+    private CaseEntity.CaseCategory mostCase;
     private String patrolRegion;
+
+    public static CaseStatsOverviewResponse fromEntity(CaseStatsOverviewEntity entity, String patrolRegionAddress) {
+        return CaseStatsOverviewResponse.builder()
+                .recentCase(entity.getRecentCaseCount())
+                .todayCase(entity.getTodayCaseCount())
+                .mostCase(entity.getMostCase())
+                .patrolRegion(patrolRegionAddress)
+                .build();
+    }
 }
diff --git a/backend/src/main/java/com/example/backend/analysis/dto/DailyCaseStatsResponse.java b/backend/src/main/java/com/example/backend/analysis/dto/DailyCaseStatsResponse.java
index c6e46d1b..851bbd4d 100644
--- a/backend/src/main/java/com/example/backend/analysis/dto/DailyCaseStatsResponse.java
+++ b/backend/src/main/java/com/example/backend/analysis/dto/DailyCaseStatsResponse.java
@@ -2,10 +2,10 @@
 
 import lombok.*;
 
-@Getter
-@Setter
-@AllArgsConstructor
+@Data
+@Builder
 @NoArgsConstructor
+@AllArgsConstructor
 public class DailyCaseStatsResponse {
     private int day;
     private int fireCount;
@@ -13,4 +13,15 @@ public class DailyCaseStatsResponse {
     private int crowdCongestionCount;
     private int weaponCount;
     private int swoonCount;
+
+    public static DailyCaseStatsResponse fromRow(Object[] row) {
+        return DailyCaseStatsResponse.builder()
+                .day(((Number) row[0]).intValue())
+                .fireCount(((Number) row[1]).intValue())
+                .assaultCount(((Number) row[2]).intValue())
+                .crowdCongestionCount(((Number) row[3]).intValue())
+                .weaponCount(((Number) row[4]).intValue())
+                .swoonCount(((Number) row[5]).intValue())
+                .build();
+    }
 }
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/backend/analysis/dto/HourlyCaseStatsResponse.java b/backend/src/main/java/com/example/backend/analysis/dto/HourlyCaseStatsResponse.java
index c17db8e5..b52e14c9 100644
--- a/backend/src/main/java/com/example/backend/analysis/dto/HourlyCaseStatsResponse.java
+++ b/backend/src/main/java/com/example/backend/analysis/dto/HourlyCaseStatsResponse.java
@@ -1,9 +1,10 @@
 package com.example.backend.analysis.dto;
 
-import lombok.AllArgsConstructor;
-import lombok.Data;
+import lombok.*;
 
 @Data
+@Builder
+@NoArgsConstructor
 @AllArgsConstructor
 public class HourlyCaseStatsResponse {
     private int hour;
@@ -12,4 +13,15 @@ public class HourlyCaseStatsResponse {
     private int crowdCongestionCount;
     private int weaponCount;
     private int swoonCount;
+
+    public static HourlyCaseStatsResponse fromRow(Object[] row) {
+        return HourlyCaseStatsResponse.builder()
+                .hour(((Number) row[0]).intValue())
+                .fireCount(((Number) row[1]).intValue())
+                .assaultCount(((Number) row[2]).intValue())
+                .crowdCongestionCount(((Number) row[3]).intValue())
+                .weaponCount(((Number) row[4]).intValue())
+                .swoonCount(((Number) row[5]).intValue())
+                .build();
+    }
 }
diff --git a/backend/src/main/java/com/example/backend/analysis/dto/LocationCaseStatsResponse.java b/backend/src/main/java/com/example/backend/analysis/dto/LocationCaseStatsResponse.java
index f8076e1f..0f81d714 100644
--- a/backend/src/main/java/com/example/backend/analysis/dto/LocationCaseStatsResponse.java
+++ b/backend/src/main/java/com/example/backend/analysis/dto/LocationCaseStatsResponse.java
@@ -3,10 +3,21 @@
 import lombok.*;
 
 @Data
+@Builder
+@NoArgsConstructor
 @AllArgsConstructor
 public class LocationCaseStatsResponse {
-    String address;
-    double latitude;
-    double longitude;
-    int count;
+    private String address;
+    private double latitude;
+    private double longitude;
+    private int count;
+
+    public static LocationCaseStatsResponse fromRow(Object[] row) {
+        return LocationCaseStatsResponse.builder()
+                .address((String) row[0])
+                .latitude((Double) row[1])
+                .longitude((Double) row[2])
+                .count(((Number) row[3]).intValue())
+                .build();
+    }
 }
diff --git a/backend/src/main/java/com/example/backend/analysis/dto/MapCaseStatsResponse.java b/backend/src/main/java/com/example/backend/analysis/dto/MapCaseStatsResponse.java
index 7ed237b3..61a71acd 100644
--- a/backend/src/main/java/com/example/backend/analysis/dto/MapCaseStatsResponse.java
+++ b/backend/src/main/java/com/example/backend/analysis/dto/MapCaseStatsResponse.java
@@ -1,17 +1,31 @@
 package com.example.backend.analysis.dto;
 
-import lombok.AllArgsConstructor;
-import lombok.Data;
+import lombok.*;
 
 @Data
+@Builder
+@NoArgsConstructor
 @AllArgsConstructor
 public class MapCaseStatsResponse {
-    String address;
-    double latitude;
-    double longitude;
-    int fire_count;
-    int assault_count;
-    int crowd_congestion_count;
-    int weapon_count;
-    int swoon_count;
+    private String address;
+    private double latitude;
+    private double longitude;
+    private int fireCount;
+    private int assaultCount;
+    private int crowdCongestionCount;
+    private int weaponCount;
+    private int swoonCount;
+
+    public static MapCaseStatsResponse fromRow(Object[] row) {
+        return MapCaseStatsResponse.builder()
+                .address((String) row[0])
+                .latitude((Double) row[1])
+                .longitude((Double) row[2])
+                .fireCount(((Number) row[3]).intValue())
+                .assaultCount(((Number) row[4]).intValue())
+                .crowdCongestionCount(((Number) row[5]).intValue())
+                .weaponCount(((Number) row[6]).intValue())
+                .swoonCount(((Number) row[7]).intValue())
+                .build();
+    }
 }
diff --git a/backend/src/main/java/com/example/backend/analysis/dto/MonthlyCaseStatsResponse.java b/backend/src/main/java/com/example/backend/analysis/dto/MonthlyCaseStatsResponse.java
index 9e4e30b8..6878b67d 100644
--- a/backend/src/main/java/com/example/backend/analysis/dto/MonthlyCaseStatsResponse.java
+++ b/backend/src/main/java/com/example/backend/analysis/dto/MonthlyCaseStatsResponse.java
@@ -2,10 +2,10 @@
 
 import lombok.*;
 
-@Getter
-@Setter
-@AllArgsConstructor
+@Data
+@Builder
 @NoArgsConstructor
+@AllArgsConstructor
 public class MonthlyCaseStatsResponse {
     private int month;
     private int fireCount;
@@ -13,4 +13,15 @@ public class MonthlyCaseStatsResponse {
     private int crowdCongestionCount;
     private int weaponCount;
     private int swoonCount;
+
+    public static MonthlyCaseStatsResponse fromRow(Object[] row) {
+        return MonthlyCaseStatsResponse.builder()
+                .month(((Number) row[0]).intValue())
+                .fireCount(((Number) row[1]).intValue())
+                .assaultCount(((Number) row[2]).intValue())
+                .crowdCongestionCount(((Number) row[3]).intValue())
+                .weaponCount(((Number) row[4]).intValue())
+                .swoonCount(((Number) row[5]).intValue())
+                .build();
+    }
 }
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/backend/analysis/service/CaseStatsService.java b/backend/src/main/java/com/example/backend/analysis/service/CaseStatsService.java
index 938050a5..66dc640b 100644
--- a/backend/src/main/java/com/example/backend/analysis/service/CaseStatsService.java
+++ b/backend/src/main/java/com/example/backend/analysis/service/CaseStatsService.java
@@ -1,9 +1,9 @@
 package com.example.backend.analysis.service;
 
-import com.example.backend.common.domain.CaseStatsOverviewEntity;
 import com.example.backend.analysis.dto.*;
 import com.example.backend.analysis.repository.CaseStatsCategoryRepository;
 import com.example.backend.analysis.repository.CaseStatsOverviewRepository;
+import com.example.backend.common.domain.CaseStatsOverviewEntity;
 import com.example.backend.user.dto.UserResponseDto;
 import jakarta.servlet.http.HttpSession;
 import lombok.RequiredArgsConstructor;
@@ -11,11 +11,7 @@
 
 import java.time.LocalDateTime;
 import java.time.YearMonth;
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.NoSuchElementException;
+import java.util.*;
 import java.util.stream.Collectors;
 
 @Service
@@ -62,13 +58,7 @@ public CaseStatsOverviewResponse getOverview(HttpSession session) {
         String patrolRegionAddress = statsOverviewRepository.findAddressWithMostIncidentsLastMonth(officeId)
                 .orElse("정보 없음");
 
-        // 응답 생성 (순찰 강화 지역은 주소만 포함)
-        return new CaseStatsOverviewResponse(
-                stats.getRecentCaseCount(), // 지난 7일간 사건 수
-                stats.getTodayCaseCount(), // 오늘 사건 수
-                stats.getMostCase().name(), // 이번 달 가장 많이 발생한 사건 유형
-                patrolRegionAddress // 순찰 강화 지역 (주소)
-        );
+        return CaseStatsOverviewResponse.fromEntity(stats, patrolRegionAddress);
     }
 
     // 시간대별 사건 수 조회 (결과에 없는 시간은 0으로 채움)
@@ -81,28 +71,22 @@ public List<HourlyCaseStatsResponse> getHourlyCaseStats(String date, String cate
         // 조회된 결과를 hour를 key로 하는 맵에 담음
         Map<Integer, HourlyCaseStatsResponse> hourMap = new LinkedHashMap<>();
         for (Object[] row : results) {
-            int hour = ((Number) row[0]).intValue();
-            HourlyCaseStatsResponse response = new HourlyCaseStatsResponse(
-                    hour,
-                    ((Number) row[1]).intValue(),  // fire
-                    ((Number) row[2]).intValue(),  // assault
-                    ((Number) row[3]).intValue(),  // crowdCongestion
-                    ((Number) row[4]).intValue(),  // weapon
-                    ((Number) row[5]).intValue()   // swoon
-            );
-            hourMap.put(hour, response);
+            HourlyCaseStatsResponse response = HourlyCaseStatsResponse.fromRow(row);
+            hourMap.put(response.getHour(), response);
         }
 
-        // 0시부터 23시까지 모두 포함하는 리스트 생성
+        // 0시부터 23시까지 모두 포함
         List<HourlyCaseStatsResponse> fullHourlyList = new ArrayList<>();
         for (int h = 0; h < 24; h++) {
             if (hourMap.containsKey(h)) {
                 fullHourlyList.add(hourMap.get(h));
             } else {
-                fullHourlyList.add(new HourlyCaseStatsResponse(h, 0, 0, 0, 0, 0));
+                // 값이 없는 시간대는 0으로 채움
+                fullHourlyList.add(HourlyCaseStatsResponse.builder()
+                        .hour(h).fireCount(0).assaultCount(0).crowdCongestionCount(0).weaponCount(0).swoonCount(0)
+                        .build());
             }
         }
-
         return fullHourlyList;
     }
 
@@ -116,16 +100,8 @@ public List<DailyCaseStatsResponse> getDailyCaseStats(int year, int month, Strin
         // 조회된 결과를 day를 key로 하는 맵에 담음
         Map<Integer, DailyCaseStatsResponse> dayMap = new LinkedHashMap<>();
         for (Object[] row : results) {
-            int day = ((Number) row[0]).intValue();
-            DailyCaseStatsResponse response = new DailyCaseStatsResponse(
-                    day,
-                    ((Number) row[1]).intValue(),  // fire
-                    ((Number) row[2]).intValue(),  // assault
-                    ((Number) row[3]).intValue(),  // crowdCongestion
-                    ((Number) row[4]).intValue(),  // weapon
-                    ((Number) row[5]).intValue()   // swoon
-            );
-            dayMap.put(day, response);
+            DailyCaseStatsResponse response = DailyCaseStatsResponse.fromRow(row);
+            dayMap.put(response.getDay(), response);
         }
 
         // 해당 월의 일 수 계산
@@ -137,10 +113,11 @@ public List<DailyCaseStatsResponse> getDailyCaseStats(int year, int month, Strin
             if (dayMap.containsKey(d)) {
                 fullDailyList.add(dayMap.get(d));
             } else {
-                fullDailyList.add(new DailyCaseStatsResponse(d, 0, 0, 0, 0, 0));
+                fullDailyList.add(DailyCaseStatsResponse.builder()
+                        .day(d).fireCount(0).assaultCount(0).crowdCongestionCount(0).weaponCount(0).swoonCount(0)
+                        .build());
             }
         }
-
         return fullDailyList;
     }
 
@@ -151,19 +128,10 @@ public List<MonthlyCaseStatsResponse> getMonthlyCaseStats(int year, String categ
         String categoryParam = processCategory(category);
         List<Object[]> results = statsCategoryRepository.findMonthlyCaseStats(year, officeId, categoryParam);
 
-        // 조회된 결과를 month를 key로 하는 맵에 담음
         Map<Integer, MonthlyCaseStatsResponse> monthMap = new LinkedHashMap<>();
         for (Object[] row : results) {
-            int month = ((Number) row[0]).intValue();
-            MonthlyCaseStatsResponse response = new MonthlyCaseStatsResponse(
-                    month,
-                    ((Number) row[1]).intValue(),  // fire
-                    ((Number) row[2]).intValue(),  // assault
-                    ((Number) row[3]).intValue(),  // crowdCongestion
-                    ((Number) row[4]).intValue(),  // weapon
-                    ((Number) row[5]).intValue()   // swoon
-            );
-            monthMap.put(month, response);
+            MonthlyCaseStatsResponse response = MonthlyCaseStatsResponse.fromRow(row);
+            monthMap.put(response.getMonth(), response);
         }
 
         List<MonthlyCaseStatsResponse> fullMonthlyList = new ArrayList<>();
@@ -171,10 +139,11 @@ public List<MonthlyCaseStatsResponse> getMonthlyCaseStats(int year, String categ
             if (monthMap.containsKey(m)) {
                 fullMonthlyList.add(monthMap.get(m));
             } else {
-                fullMonthlyList.add(new MonthlyCaseStatsResponse(m, 0, 0, 0, 0, 0));
+                fullMonthlyList.add(MonthlyCaseStatsResponse.builder()
+                        .month(m).fireCount(0).assaultCount(0).crowdCongestionCount(0).weaponCount(0).swoonCount(0)
+                        .build());
             }
         }
-
         return fullMonthlyList;
     }
 
@@ -199,7 +168,6 @@ public Map<String, Integer> getCategoryCaseStats(String period, HttpSession sess
             int count = (row[1] == null) ? 0 : ((Number) row[1]).intValue();
             resultMap.put(cat, count);
         }
-
         return resultMap;
     }
 
@@ -215,11 +183,7 @@ public List<LocationCaseStatsResponse> getLocationCaseStats(String period, HttpS
         }
 
         return results.stream()
-                .map(row -> new LocationCaseStatsResponse(
-                        (String) row[0], // address
-                        (Double) row[1], // latitude
-                        (Double) row[2], // longitude
-                        ((Number) row[3]).intValue())) // count
+                .map(LocationCaseStatsResponse::fromRow)
                 .collect(Collectors.toList());
     }
 
@@ -235,16 +199,7 @@ public List<MapCaseStatsResponse> getMapCaseStats(String period, HttpSession ses
         }
 
         return results.stream()
-                .map(row -> new MapCaseStatsResponse(
-                        (String) row[0], // address
-                        (Double) row[1], // latitude
-                        (Double) row[2], // longitude
-                        ((Number) row[3]).intValue(), // fire_count
-                        ((Number) row[4]).intValue(),  // assault_count
-                        ((Number) row[5]).intValue(),  // crowd_congestion_count
-                        ((Number) row[6]).intValue(),  // weapon_count
-                        ((Number) row[7]).intValue())) // swoon_count
+                .map(MapCaseStatsResponse::fromRow)
                 .collect(Collectors.toList());
     }
-
 }
diff --git a/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectRequest.java b/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectRequest.java
index 2a59d809..f10e0cb2 100644
--- a/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectRequest.java
+++ b/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectRequest.java
@@ -3,9 +3,9 @@
 
 @Data
 public class CaseDetectRequest {
-    private Integer officeId; // 사무소 ID
-    private Integer cctvId;   // CCTV ID
-    private Integer level;    // 위험 레벨
+    private int officeId; // 사무소 ID
+    private int cctvId;   // CCTV ID
+    private int level;    // 위험 레벨
     private String category;  // "fire", "assault" 등
     private String video;  // 스토리지에 저장된 영상 URL
     private String memo;      // 기타 메모
diff --git a/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectResponse.java b/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectResponse.java
index a7e0360c..1696d343 100644
--- a/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectResponse.java
+++ b/backend/src/main/java/com/example/backend/dashboard/dto/CaseDetectResponse.java
@@ -12,7 +12,7 @@
 @NoArgsConstructor
 @AllArgsConstructor
 public class CaseDetectResponse {
-    private Integer caseId;       // 사건 ID
+    private int caseId;       // 사건 ID
     private String category;      // 사건 카테고리 (예: fire, assault 등)
     private String cctvAddress;   // CCTV 주소
     private String dateTime;      // 사건 감지 시각 (문자열 형태, yyyy-MM-dd HH:mm:ss)
diff --git a/backend/src/main/java/com/example/backend/dashboard/dto/DashboardResponse.java b/backend/src/main/java/com/example/backend/dashboard/dto/DashboardResponse.java
index a09094cc..55d26ba2 100644
--- a/backend/src/main/java/com/example/backend/dashboard/dto/DashboardResponse.java
+++ b/backend/src/main/java/com/example/backend/dashboard/dto/DashboardResponse.java
@@ -11,7 +11,7 @@
 @Data
 @Builder
 public class DashboardResponse {
-    private Integer id;
+    private int id;
     private String police_name;
     private String police_rank;
     private String address;
@@ -19,7 +19,7 @@ public class DashboardResponse {
     @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss")
     private LocalDateTime date;
 
-    private Integer level;
+    private int level;
     private CaseCategory category;
     private CaseState state;
 
diff --git a/backend/src/main/java/com/example/backend/search/dto/DetailResponse.java b/backend/src/main/java/com/example/backend/search/dto/DetailResponse.java
index 5fc3965e..4d3199e8 100644
--- a/backend/src/main/java/com/example/backend/search/dto/DetailResponse.java
+++ b/backend/src/main/java/com/example/backend/search/dto/DetailResponse.java
@@ -2,17 +2,19 @@
 
 import com.example.backend.common.domain.CaseEntity;
 import com.fasterxml.jackson.annotation.JsonFormat;
-import lombok.Builder;
-import lombok.Getter;
+import lombok.*;
 
 import java.time.LocalDateTime;
 
-@Getter
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
 public class DetailResponse {
     private int id;
-    private int policeId;
+    private Integer policeId;
     private String policeName;
-    private int cctvId;
+    private Integer cctvId;
     private String address;
     private Double longitude;
     private Double latitude;
@@ -24,22 +26,6 @@ public class DetailResponse {
     private String video;
     private String memo;
 
-    @Builder
-    public DetailResponse(Integer id, Integer policeId, String policeName, Integer cctvId, String address, Double latitude, Double longitude, LocalDateTime date,
-                          String category, String video, String memo) {
-        this.id = id;
-        this.policeId = policeId;
-        this.policeName = policeName;
-        this.cctvId = cctvId;
-        this.address = address;
-        this.latitude = latitude;
-        this.longitude = longitude;
-        this.date = date;
-        this.category = category;
-        this.video = video;
-        this.memo = memo;
-    }
-
     public static DetailResponse fromEntity(CaseEntity entity) {
         return DetailResponse.builder()
                 .id(entity.getId())
diff --git a/backend/src/main/java/com/example/backend/search/dto/SearchRequest.java b/backend/src/main/java/com/example/backend/search/dto/SearchRequest.java
index 097ea46e..8e731cc4 100644
--- a/backend/src/main/java/com/example/backend/search/dto/SearchRequest.java
+++ b/backend/src/main/java/com/example/backend/search/dto/SearchRequest.java
@@ -13,7 +13,7 @@ public class SearchRequest {
     private String address;
     private String police;
     private String order;
-    private Integer page;
+    private int page;
 
     // startDate 변환 00:00:00
     public LocalDateTime getStartDateTime() {
diff --git a/backend/src/main/java/com/example/backend/search/dto/SearchResponse.java b/backend/src/main/java/com/example/backend/search/dto/SearchResponse.java
index 77fcb20d..abd018f1 100644
--- a/backend/src/main/java/com/example/backend/search/dto/SearchResponse.java
+++ b/backend/src/main/java/com/example/backend/search/dto/SearchResponse.java
@@ -2,21 +2,19 @@
 
 import com.example.backend.common.domain.CaseEntity;
 import com.fasterxml.jackson.annotation.JsonFormat;
-import lombok.Builder;
-import lombok.Data;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
+import lombok.*;
 
 import java.time.LocalDateTime;
 
-@Getter
-@NoArgsConstructor
 @Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
 public class SearchResponse {
     private int id;
-    private int policeId;
+    private Integer policeId;
     private String policeName;
-    private int cctvId;
+    private Integer cctvId;
     private String address;
 
     @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "yyyy-MM-dd HH:mm:ss")
@@ -25,19 +23,6 @@ public class SearchResponse {
     private String category;
     private String memo;
 
-    @Builder
-    public SearchResponse(Integer id, Integer policeId, String policeName, Integer cctvId, String address, LocalDateTime date,
-                          String category, String memo) {
-        this.id = id;
-        this.policeId = policeId;
-        this.policeName = policeName;
-        this.cctvId = cctvId;
-        this.address = address;
-        this.date = date;
-        this.category = category;
-        this.memo = memo;
-    }
-
     public static SearchResponse fromEntity(CaseEntity entity) {
         return SearchResponse.builder()
                 .id(entity.getId())
diff --git a/backend/src/main/java/com/example/backend/search/dto/SearchResult.java b/backend/src/main/java/com/example/backend/search/dto/SearchResult.java
index 8d6b4e0e..21aafd3f 100644
--- a/backend/src/main/java/com/example/backend/search/dto/SearchResult.java
+++ b/backend/src/main/java/com/example/backend/search/dto/SearchResult.java
@@ -1,20 +1,12 @@
 package com.example.backend.search.dto;
 
-import lombok.Builder;
-import lombok.Getter;
-
+import lombok.*;
 import java.util.List;
 
-@Getter
+@Data
+@Builder
 public class SearchResult {
     private final List<SearchResponse> results; // 검색 결과 리스트
     private final int totalPages; // 전체 페이지 수
     private final long totalElements;  // 전체 데이터 개수
-
-    @Builder
-    public SearchResult(List<SearchResponse> results, int totalPages, long totalElements) {
-        this.results = results;
-        this.totalPages = totalPages;
-        this.totalElements = totalElements;
-    }
-}
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/backend/user/dto/UserResponseDto.java b/backend/src/main/java/com/example/backend/user/dto/UserResponseDto.java
index 78f0dd78..5cefe8bd 100644
--- a/backend/src/main/java/com/example/backend/user/dto/UserResponseDto.java
+++ b/backend/src/main/java/com/example/backend/user/dto/UserResponseDto.java
@@ -10,8 +10,8 @@
 @AllArgsConstructor
 public class UserResponseDto {
     @JsonIgnore
-    private Integer id;
-    private Integer officeId;
+    private int id;
+    private int officeId;
     private String name;
     private String officeName;
     private String profileUrl;