diff --git a/apps/web/app/routes/admin.tsx b/apps/web/app/routes/admin.tsx
index 11d668690..6a5c03c66 100644
--- a/apps/web/app/routes/admin.tsx
+++ b/apps/web/app/routes/admin.tsx
@@ -3,6 +3,15 @@ import type { MetaFunction } from "@remix-run/node";
 import { Outlet } from "@remix-run/react";
 
 import type { SitemapFunction } from "remix-sitemap";
+import { redirectToAuth } from "../lib/auth";
+import { makeIsomorphicLoader } from "../lib/isomorphicLoader";
+
+export const { loader, clientLoader } = makeIsomorphicLoader(
+  async ({ request, context: { user } }) => {
+    if (!user?.admin) return redirectToAuth({ request });
+    return null;
+  },
+);
 
 export const sitemap: SitemapFunction = () => ({
   exclude: true,
diff --git a/apps/web/app/routes/admin_.sites_.$siteId_.edit.tsx b/apps/web/app/routes/admin_.sites_.$siteId_.edit.tsx
index d37998fdc..c7a5fffce 100644
--- a/apps/web/app/routes/admin_.sites_.$siteId_.edit.tsx
+++ b/apps/web/app/routes/admin_.sites_.$siteId_.edit.tsx
@@ -8,6 +8,13 @@ import invariant from "tiny-invariant";
 import SiteForm from "../components/admin/siteForm";
 import { trpc } from "../lib/trpc";
 
+export const { loader, clientLoader } = makeIsomorphicLoader(
+  async ({ request, context: { user } }) => {
+    if (!user?.admin) return redirectToAuth({ request });
+    return null;
+  },
+);
+
 export const sitemap: SitemapFunction = () => ({
   exclude: true,
 });
diff --git a/apps/web/app/routes/admin_.sites_.add_._index.tsx b/apps/web/app/routes/admin_.sites_.add_._index.tsx
index 0e4097b2a..bbb7642c0 100644
--- a/apps/web/app/routes/admin_.sites_.add_._index.tsx
+++ b/apps/web/app/routes/admin_.sites_.add_._index.tsx
@@ -4,6 +4,13 @@ import type { SitemapFunction } from "remix-sitemap";
 import SiteForm from "../components/admin/siteForm";
 import { trpc } from "../lib/trpc";
 
+export const { loader, clientLoader } = makeIsomorphicLoader(
+  async ({ request, context: { user } }) => {
+    if (!user?.admin) return redirectToAuth({ request });
+    return null;
+  },
+);
+
 export const sitemap: SitemapFunction = () => ({
   exclude: true,
 });