diff --git a/server/src/db/models/Monitor.ts b/server/src/db/models/Monitor.ts
index a92e9331c..e6bffddd8 100644
--- a/server/src/db/models/Monitor.ts
+++ b/server/src/db/models/Monitor.ts
@@ -18,11 +18,12 @@ type CheckSnapshotDocument = Omit<CheckSnapshot, "createdAt"> & { createdAt: Dat
 
 type MonitorDocumentBase = Omit<
 	Monitor,
-	"id" | "userId" | "teamId" | "notifications" | "selectedDisks" | "statusWindow" | "recentChecks" | "createdAt" | "updatedAt"
+	"id" | "userId" | "teamId" | "notifications" | "tags" | "selectedDisks" | "statusWindow" | "recentChecks" | "createdAt" | "updatedAt"
 > & {
 	statusWindow: boolean[];
 	recentChecks: CheckSnapshotDocument[];
 	notifications: Types.ObjectId[];
+	tags: Types.ObjectId[];
 	selectedDisks: string[];
 	matchMethod?: MonitorMatchMethod;
 };
@@ -284,6 +285,12 @@ const MonitorSchema = new Schema<MonitorDocument>(
 				ref: "Notification",
 			},
 		],
+		tags: [
+			{
+				type: Schema.Types.ObjectId,
+				ref: "Tag",
+			},
+		],
 		secret: {
 			type: String,
 		},
diff --git a/server/src/db/models/Tag.ts b/server/src/db/models/Tag.ts
new file mode 100644
index 000000000..df77aa7ab
--- /dev/null
+++ b/server/src/db/models/Tag.ts
@@ -0,0 +1,33 @@
+import { Schema, model, type Types } from "mongoose";
+import type { Tag as TagEntity } from "@/types/index.js";
+
+type TagDocumentBase = Omit<TagEntity, "id" | "teamId" | "createdAt" | "updatedAt">;
+
+interface TagDocument extends TagDocumentBase {
+	_id: Types.ObjectId;
+	teamId: Types.ObjectId;
+	createdAt: Date;
+	updatedAt: Date;
+}
+
+const TagSchema = new Schema<TagDocument>(
+	{
+		teamId: {
+			type: Schema.Types.ObjectId,
+			ref: "Team",
+			immutable: true,
+			required: true,
+		},
+		name: { type: String, required: true },
+		color: { type: String, required: true, default: "#13715B" },
+	},
+	{ timestamps: true }
+);
+
+TagSchema.index({ teamId: 1, name: 1 }, { unique: true });
+
+const TagModel = model<TagDocument>("Tag", TagSchema);
+
+export type { TagDocument };
+export { TagModel };
+export default TagModel;
diff --git a/server/src/db/models/index.ts b/server/src/db/models/index.ts
index d4c8f1a3b..f0647f9eb 100644
--- a/server/src/db/models/index.ts
+++ b/server/src/db/models/index.ts
@@ -39,3 +39,5 @@ export { default as GeoCheckModel } from "@/db/models/GeoCheck.js";
 
 export * from "@/db/models/DLQItem.js";
 export { default as DLQItemModel } from "@/db/models/DLQItem.js";
+export * from "@/db/models/Tag.js";
+export { default as TagModel } from "@/db/models/Tag.js";