diff --git a/database/migrations/2026_02_11_200000_create_construction_site_photo_rows_table.php b/database/migrations/2026_02_11_200000_create_construction_site_photo_rows_table.php
new file mode 100644
index 0000000..39e287a
--- /dev/null
+++ b/database/migrations/2026_02_11_200000_create_construction_site_photo_rows_table.php
@@ -0,0 +1,108 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        // 1. 새 테이블 생성
+        Schema::create('construction_site_photo_rows', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('construction_site_photo_id')->comment('사진대지 ID');
+            $table->unsignedInteger('sort_order')->default(0)->comment('정렬 순서 (0부터)');
+
+            // 작업전 사진
+            $table->string('before_photo_path', 500)->nullable()->comment('작업전 사진 GCS 경로');
+            $table->string('before_photo_gcs_uri', 500)->nullable()->comment('작업전 사진 GCS URI');
+            $table->unsignedInteger('before_photo_size')->nullable()->comment('작업전 사진 파일크기(bytes)');
+
+            // 작업중 사진
+            $table->string('during_photo_path', 500)->nullable()->comment('작업중 사진 GCS 경로');
+            $table->string('during_photo_gcs_uri', 500)->nullable()->comment('작업중 사진 GCS URI');
+            $table->unsignedInteger('during_photo_size')->nullable()->comment('작업중 사진 파일크기(bytes)');
+
+            // 작업후 사진
+            $table->string('after_photo_path', 500)->nullable()->comment('작업후 사진 GCS 경로');
+            $table->string('after_photo_gcs_uri', 500)->nullable()->comment('작업후 사진 GCS URI');
+            $table->unsignedInteger('after_photo_size')->nullable()->comment('작업후 사진 파일크기(bytes)');
+
+            $table->timestamps();
+
+            $table->foreign('construction_site_photo_id')
+                ->references('id')
+                ->on('construction_site_photos')
+                ->cascadeOnDelete();
+
+            $table->index('construction_site_photo_id', 'idx_cspr_photo_id');
+        });
+
+        // 2. 기존 데이터를 새 테이블로 마이그레이션
+        DB::statement("
+            INSERT INTO construction_site_photo_rows
+                (construction_site_photo_id, sort_order,
+                 before_photo_path, before_photo_gcs_uri, before_photo_size,
+                 during_photo_path, during_photo_gcs_uri, during_photo_size,
+                 after_photo_path, after_photo_gcs_uri, after_photo_size,
+                 created_at, updated_at)
+            SELECT
+                id, 0,
+                before_photo_path, before_photo_gcs_uri, before_photo_size,
+                during_photo_path, during_photo_gcs_uri, during_photo_size,
+                after_photo_path, after_photo_gcs_uri, after_photo_size,
+                created_at, updated_at
+            FROM construction_site_photos
+            WHERE deleted_at IS NULL
+              AND (before_photo_path IS NOT NULL
+                   OR during_photo_path IS NOT NULL
+                   OR after_photo_path IS NOT NULL)
+        ");
+
+        // 3. 부모 테이블에서 사진 컬럼 삭제
+        Schema::table('construction_site_photos', function (Blueprint $table) {
+            $table->dropColumn([
+                'before_photo_path', 'before_photo_gcs_uri', 'before_photo_size',
+                'during_photo_path', 'during_photo_gcs_uri', 'during_photo_size',
+                'after_photo_path', 'after_photo_gcs_uri', 'after_photo_size',
+            ]);
+        });
+    }
+
+    public function down(): void
+    {
+        // 부모 테이블에 사진 컬럼 복원
+        Schema::table('construction_site_photos', function (Blueprint $table) {
+            $table->string('before_photo_path', 500)->nullable()->after('description');
+            $table->string('before_photo_gcs_uri', 500)->nullable()->after('before_photo_path');
+            $table->unsignedInteger('before_photo_size')->nullable()->after('before_photo_gcs_uri');
+
+            $table->string('during_photo_path', 500)->nullable()->after('before_photo_size');
+            $table->string('during_photo_gcs_uri', 500)->nullable()->after('during_photo_path');
+            $table->unsignedInteger('during_photo_size')->nullable()->after('during_photo_gcs_uri');
+
+            $table->string('after_photo_path', 500)->nullable()->after('during_photo_size');
+            $table->string('after_photo_gcs_uri', 500)->nullable()->after('after_photo_path');
+            $table->unsignedInteger('after_photo_size')->nullable()->after('after_photo_gcs_uri');
+        });
+
+        // 데이터 복원 (sort_order=0인 첫 행만)
+        DB::statement("
+            UPDATE construction_site_photos p
+            INNER JOIN construction_site_photo_rows r ON r.construction_site_photo_id = p.id AND r.sort_order = 0
+            SET p.before_photo_path = r.before_photo_path,
+                p.before_photo_gcs_uri = r.before_photo_gcs_uri,
+                p.before_photo_size = r.before_photo_size,
+                p.during_photo_path = r.during_photo_path,
+                p.during_photo_gcs_uri = r.during_photo_gcs_uri,
+                p.during_photo_size = r.during_photo_size,
+                p.after_photo_path = r.after_photo_path,
+                p.after_photo_gcs_uri = r.after_photo_gcs_uri,
+                p.after_photo_size = r.after_photo_size
+        ");
+
+        Schema::dropIfExists('construction_site_photo_rows');
+    }
+};