diff --git a/Assets/Scripts/BuildingPlacement.cs b/Assets/Scripts/BuildingPlacement.cs
index ba0ad4c..0a04737 100644
--- a/Assets/Scripts/BuildingPlacement.cs
+++ b/Assets/Scripts/BuildingPlacement.cs
@@ -312,6 +312,12 @@ namespace Northbound
                 collider.enabled = false;
             }
 
+            // Disable NavMeshObstacles in preview (they act as obstacles for NavMeshAgent)
+            foreach (var obstacle in previewObject.GetComponentsInChildren<UnityEngine.AI.NavMeshObstacle>())
+            {
+                obstacle.enabled = false;
+            }
+
             Debug.Log($"[BuildingPlacement] 프리뷰 생성됨: {data.buildingName}");
         }
 
@@ -528,6 +534,12 @@ namespace Northbound
                     collider.enabled = false;
                 }
 
+                // Disable NavMeshObstacles in preview (they act as obstacles for NavMeshAgent)
+                foreach (var obstacle in preview.GetComponentsInChildren<UnityEngine.AI.NavMeshObstacle>())
+                {
+                    obstacle.enabled = false;
+                }
+
                 dragPreviewObjects.Add(preview);
                 
                 if (isValid)