diff --git a/app/Http/Controllers/Sales/AdminProspectController.php b/app/Http/Controllers/Sales/AdminProspectController.php
index db107976..1f8e9bd8 100644
--- a/app/Http/Controllers/Sales/AdminProspectController.php
+++ b/app/Http/Controllers/Sales/AdminProspectController.php
@@ -323,6 +323,30 @@ public function updateHqStatus(int $id, Request $request)
         ]);
     }
 
+    /**
+     * 계약일 변경
+     */
+    public function updateContractedDate(int $id, Request $request)
+    {
+        $this->checkAdminAccess();
+
+        $request->validate([
+            'contracted_at' => 'nullable|date',
+        ]);
+
+        $prospect = TenantProspect::findOrFail($id);
+        $management = SalesTenantManagement::findOrCreateByProspect($prospect->id);
+
+        $management->update([
+            'contracted_at' => $request->input('contracted_at') ?: null,
+        ]);
+
+        return response()->json([
+            'success' => true,
+            'contracted_at' => $management->contracted_at?->format('Y-m-d'),
+        ]);
+    }
+
     /**
      * 인계일 수동 변경
      */
diff --git a/resources/views/sales/admin-prospects/index.blade.php b/resources/views/sales/admin-prospects/index.blade.php
index 1b266491..676f0aa3 100644
--- a/resources/views/sales/admin-prospects/index.blade.php
+++ b/resources/views/sales/admin-prospects/index.blade.php
@@ -350,6 +350,35 @@ function confirmDelete() {
     });
 }
 
+// 계약일 저장
+function saveContractedDate(prospectId, date, inputEl) {
+    fetch(`/sales/admin-prospects/${prospectId}/contracted-date`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
+            'Accept': 'application/json'
+        },
+        body: JSON.stringify({ contracted_at: date || null })
+    })
+    .then(response => response.json())
+    .then(result => {
+        if (result.success && inputEl) {
+            if (date) {
+                inputEl.className = 'w-28 h-7 text-xs px-1 border-2 border-blue-400 rounded cursor-pointer hover:border-blue-400 focus:outline-none focus:border-blue-500 text-blue-600 font-medium bg-blue-50';
+            } else {
+                inputEl.className = 'w-28 h-7 text-xs px-1 border-2 border-gray-300 rounded cursor-pointer hover:border-blue-400 focus:outline-none focus:border-blue-500 text-gray-500 bg-gray-50';
+            }
+        } else if (!result.success) {
+            alert(result.message || '계약일 저장에 실패했습니다.');
+        }
+    })
+    .catch(error => {
+        console.error('Error:', error);
+        alert('계약일 저장 중 오류가 발생했습니다.');
+    });
+}
+
 // 인계일 저장
 function saveHandoverDate(prospectId, date) {
     if (!date) return;
diff --git a/resources/views/sales/admin-prospects/partials/content.blade.php b/resources/views/sales/admin-prospects/partials/content.blade.php
index f77e196e..6ce24e5c 100644
--- a/resources/views/sales/admin-prospects/partials/content.blade.php
+++ b/resources/views/sales/admin-prospects/partials/content.blade.php
@@ -148,8 +148,11 @@ class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none foc
                         $disabledClass = $commissionDisabled ? 'opacity-40 cursor-not-allowed bg-gray-100' : '';
                     @endphp
                     {{-- 계약일 --}}
-                    <td class="px-4 py-3 whitespace-nowrap text-center text-sm text-gray-500">
-                        {{ $prospect->contracted_at ? \Carbon\Carbon::parse($prospect->contracted_at)->format('Y-m-d') : '-' }}
+                    <td class="px-1 py-2 whitespace-nowrap text-center">
+                        <input type="date"
+                            class="w-28 h-7 text-xs px-1 border-2 border-gray-300 rounded cursor-pointer hover:border-blue-400 focus:outline-none focus:border-blue-500 {{ $prospect->contracted_at ? 'text-blue-600 font-medium bg-blue-50 border-blue-400' : 'text-gray-500 bg-gray-50' }}"
+                            value="{{ $prospect->contracted_at ? \Carbon\Carbon::parse($prospect->contracted_at)->format('Y-m-d') : '' }}"
+                            onchange="saveContractedDate({{ $prospect->id }}, this.value, this)">
                     </td>
                     {{-- 1차 납입완료 --}}
                     <td class="px-1 py-2 whitespace-nowrap text-center">
diff --git a/routes/web.php b/routes/web.php
index 7f7fb533..63a1c26a 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -1253,6 +1253,7 @@
     Route::get('admin-prospects/refresh', [\App\Http\Controllers\Sales\AdminProspectController::class, 'refresh'])->name('admin-prospects.refresh');
     Route::get('admin-prospects/{id}/modal-show', [\App\Http\Controllers\Sales\AdminProspectController::class, 'modalShow'])->name('admin-prospects.modal-show');
     Route::post('admin-prospects/{id}/hq-status', [\App\Http\Controllers\Sales\AdminProspectController::class, 'updateHqStatus'])->name('admin-prospects.update-hq-status');
+    Route::post('admin-prospects/{id}/contracted-date', [\App\Http\Controllers\Sales\AdminProspectController::class, 'updateContractedDate'])->name('admin-prospects.update-contracted-date');
     Route::post('admin-prospects/{id}/handover-date', [\App\Http\Controllers\Sales\AdminProspectController::class, 'updateHandoverDate'])->name('admin-prospects.update-handover-date');
     Route::post('admin-prospects/{id}/commission-date', [\App\Http\Controllers\Sales\AdminProspectController::class, 'updateCommissionDate'])->name('admin-prospects.update-commission-date');
     Route::delete('admin-prospects/{id}/commission-date', [\App\Http\Controllers\Sales\AdminProspectController::class, 'clearCommissionDate'])->name('admin-prospects.clear-commission-date');