diff --git a/src/app/api/tasks/[id]/route.js b/src/app/api/tasks/[id]/route.js
index 92009e4..a02e708 100644
--- a/src/app/api/tasks/[id]/route.js
+++ b/src/app/api/tasks/[id]/route.js
@@ -30,19 +30,23 @@ async function getTaskHandler(req, { params }) {
 async function updateTaskHandler(req, { params }) {
 	const { id } = await params;
 	try {
-		const { name, max_wait_days, description } = await req.json();
+		const { name, max_wait_days, description, task_category } = await req.json();
 
 		if (!name) {
 			return NextResponse.json({ error: "Name is required" }, { status: 400 });
 		}
 
+		if (task_category && !['design', 'construction'].includes(task_category)) {
+			return NextResponse.json({ error: "Invalid task_category (must be design or construction)" }, { status: 400 });
+		}
+
 		const result = db
 			.prepare(
 				`UPDATE tasks 
-				 SET name = ?, max_wait_days = ?, description = ?
+				 SET name = ?, max_wait_days = ?, description = ?, task_category = ?
 				 WHERE task_id = ? AND is_standard = 1`
 			)
-			.run(name, max_wait_days || 0, description || null, id);
+			.run(name, max_wait_days || 0, description || null, task_category, id);
 
 		if (result.changes === 0) {
 			return NextResponse.json(
diff --git a/src/app/api/tasks/route.js b/src/app/api/tasks/route.js
index 24d63bc..4403cbc 100644
--- a/src/app/api/tasks/route.js
+++ b/src/app/api/tasks/route.js
@@ -5,18 +5,22 @@ import { getAllTaskTemplates } from "@/lib/queries/tasks";
 
 // POST: create new template
 async function createTaskHandler(req) {
-	const { name, max_wait_days, description } = await req.json();
+	const { name, max_wait_days, description, task_category } = await req.json();
 
 	if (!name) {
 		return NextResponse.json({ error: "Name is required" }, { status: 400 });
 	}
 
+	if (!task_category || !['design', 'construction'].includes(task_category)) {
+		return NextResponse.json({ error: "Valid task_category is required (design or construction)" }, { status: 400 });
+	}
+
 	db.prepare(
 		`
-    INSERT INTO tasks (name, max_wait_days, description, is_standard)
-    VALUES (?, ?, ?, 1)
+    INSERT INTO tasks (name, max_wait_days, description, is_standard, task_category)
+    VALUES (?, ?, ?, 1, ?)
   `
-	).run(name, max_wait_days || 0, description || null);
+	).run(name, max_wait_days || 0, description || null, task_category);
 
 	return NextResponse.json({ success: true });
 }
diff --git a/src/app/task-sets/new/page.js b/src/app/task-sets/new/page.js
index 6c6e5a7..e2c167f 100644
--- a/src/app/task-sets/new/page.js
+++ b/src/app/task-sets/new/page.js
@@ -16,7 +16,7 @@ export default function NewTaskSetPage() {
 	const [formData, setFormData] = useState({
 		name: "",
 		description: "",
-		project_type: "design",
+		task_category: "design",
 		selectedTemplates: []
 	});
 	const [isSubmitting, setIsSubmitting] = useState(false);
@@ -61,7 +61,7 @@ export default function NewTaskSetPage() {
 				body: JSON.stringify({
 					name: formData.name.trim(),
 					description: formData.description.trim(),
-					project_type: formData.project_type
+					task_category: formData.task_category
 				})
 			});
 
diff --git a/src/app/tasks/templates/page.js b/src/app/tasks/templates/page.js
index 24eeaca..8ec008f 100644
--- a/src/app/tasks/templates/page.js
+++ b/src/app/tasks/templates/page.js
@@ -34,6 +34,19 @@ export default function TaskTemplatesPage() {
 		fetchTemplates();
 	}, []);
 
+	const getTaskCategoryBadge = (taskCategory) => {
+		const colors = {
+			design: "bg-blue-100 text-blue-800",
+			construction: "bg-green-100 text-green-800"
+		};
+
+		return (
+			<span className={`inline-flex items-center px-2 py-1 rounded-full text-xs font-medium ${colors[taskCategory] || "bg-gray-100 text-gray-800"}`}>
+				{taskCategory === "design" ? "Projektowe" : taskCategory === "construction" ? "Budowlane" : taskCategory}
+			</span>
+		);
+	};
+
 	if (loading) {
 		return (
 			<PageContainer>
@@ -170,9 +183,12 @@ export default function TaskTemplatesPage() {
 									<h3 className="text-lg font-semibold text-gray-900 truncate pr-2">
 										{template.name}
 									</h3>
-									<Badge variant="primary" size="sm">
-										{template.max_wait_days} {t('common.days')}
-									</Badge>
+									<div className="flex flex-col gap-1">
+										<Badge variant="primary" size="sm">
+											{template.max_wait_days} {t('common.days')}
+										</Badge>
+										{getTaskCategoryBadge(template.task_category)}
+									</div>
 								</div>
 								{template.description && (
 									<p className="text-gray-600 text-sm mb-4 line-clamp-2">
diff --git a/src/components/TaskTemplateForm.js b/src/components/TaskTemplateForm.js
index 3f3b75d..d97ef10 100644
--- a/src/components/TaskTemplateForm.js
+++ b/src/components/TaskTemplateForm.js
@@ -14,6 +14,7 @@ export default function TaskTemplateForm({
 	const [name, setName] = useState("");
 	const [max_wait_days, setRequiredWaitDays] = useState("");
 	const [description, setDescription] = useState("");
+	const [task_category, setTaskCategory] = useState("design");
 	const [loading, setLoading] = useState(false);
 	const [isEditing, setIsEditing] = useState(false);
 	const router = useRouter();
@@ -26,6 +27,7 @@ export default function TaskTemplateForm({
 				setName(initialData.name || "");
 				setRequiredWaitDays(initialData.max_wait_days?.toString() || "");
 				setDescription(initialData.description || "");
+				setTaskCategory(initialData.task_category || "design");
 			}
 		}
 	}, [templateId, initialData]);
@@ -45,6 +47,7 @@ export default function TaskTemplateForm({
 					name,
 					max_wait_days: parseInt(max_wait_days, 10) || 0,
 					description: description || null,
+					task_category,
 				}),
 			});
 
@@ -78,6 +81,21 @@ export default function TaskTemplateForm({
 				/>
 			</div>
 
+			<div>
+				<label className="block text-sm font-medium text-gray-700 mb-2">
+					Kategoria zadania *
+				</label>
+				<select
+					value={task_category}
+					onChange={(e) => setTaskCategory(e.target.value)}
+					className="w-full px-3 py-2 border border-gray-300 rounded-md focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500"
+					required
+				>
+					<option value="design">Zadania projektowe</option>
+					<option value="construction">Zadania budowlane</option>
+				</select>
+			</div>
+
 			<div>
 				<label className="block text-sm font-medium text-gray-700 mb-2">
 					{t('taskTemplates.estimatedDuration')}
diff --git a/src/lib/init-db.js b/src/lib/init-db.js
index 1ac636d..b797629 100644
--- a/src/lib/init-db.js
+++ b/src/lib/init-db.js
@@ -40,7 +40,8 @@ export default function initializeDatabase() {
       task_id INTEGER PRIMARY KEY AUTOINCREMENT,
       name TEXT NOT NULL,
       max_wait_days INTEGER DEFAULT 0,
-      is_standard INTEGER NOT NULL DEFAULT 0
+      is_standard INTEGER NOT NULL DEFAULT 0,
+      task_category TEXT CHECK(task_category IN ('design', 'construction')) NOT NULL DEFAULT 'design'
     );
 
     -- Table: task_sets
@@ -382,6 +383,22 @@ export default function initializeDatabase() {
 		console.warn("Migration warning:", e.message);
 	}
 
+	// Migration: Add task_category column to tasks table
+	try {
+		const tableInfo = db.prepare("PRAGMA table_info(tasks)").all();
+		const hasTaskCategory = tableInfo.some(col => col.name === 'task_category');
+
+		if (!hasTaskCategory) {
+			// Add the task_category column
+			db.exec(`
+				ALTER TABLE tasks ADD COLUMN task_category TEXT CHECK(task_category IN ('design', 'construction')) NOT NULL DEFAULT 'design';
+			`);
+			console.log("✅ Added task_category column to tasks table");
+		}
+	} catch (e) {
+		console.warn("Migration warning:", e.message);
+	}
+
 	// Generic file attachments table
 	db.exec(`
 		CREATE TABLE IF NOT EXISTS file_attachments (