diff --git a/src/stores/BudgetStore.ts b/src/stores/BudgetStore.ts
new file mode 100644
index 0000000000000000000000000000000000000000..0e6fce496f67816f6697d5cac49cd1b7750ec0a3
--- /dev/null
+++ b/src/stores/BudgetStore.ts
@@ -0,0 +1,20 @@
+import { defineStore } from 'pinia'
+
+export const useBudgetStore = defineStore('BudgetStore', {
+  state: () => ({
+    activeBudgetId: 0,
+  }),
+  actions: {
+    setActiveBudgetId(id: number) {
+      this.activeBudgetId = id
+    }
+  },
+  getters: {
+    getActiveBudgetId(): number {
+      return this.activeBudgetId
+    }
+  },
+  persist: {
+    storage: sessionStorage
+  }
+});