diff --git a/apps/mobile/src/features/pull-requests/PullRequestListFilters.tsx b/apps/mobile/src/features/pull-requests/PullRequestListFilters.tsx
index 38ac98f3b2a84..4bceebd637bfc 100644
--- a/apps/mobile/src/features/pull-requests/PullRequestListFilters.tsx
+++ b/apps/mobile/src/features/pull-requests/PullRequestListFilters.tsx
@@ -41,12 +41,18 @@ function choices(field: string, options: Readonly<Record<string, string>>, selec
   }));
 }
 
-type ProjectOrder = readonly { readonly memberProjectRefs: readonly ScopedProjectRef[] }[];
+type ProjectOrder = readonly {
+  readonly memberProjectRefs: readonly ScopedProjectRef[];
+  readonly pinned: boolean;
+  readonly archived: boolean;
+}[];
 const sameProjectOrder = (previous: ProjectOrder, next: ProjectOrder) =>
   previous.length === next.length &&
   previous.every((group, index) => {
     const members = next[index]!.memberProjectRefs;
     return (
+      group.pinned === next[index]!.pinned &&
+      group.archived === next[index]!.archived &&
       group.memberProjectRefs.length === members.length &&
       group.memberProjectRefs.every(
         (ref, member) =>
@@ -69,7 +75,11 @@ const sidebarProjectOrderFamily = Atom.family((mode: SidebarProjectGroupingMode)
       threads: get(environmentThreadShells.threadShellsAtom),
       pendingTasks: [],
       projectSortOrder: "updated_at",
-    }).map((scope) => ({ memberProjectRefs: scope.projectRefs })),
+    }).map((scope) => ({
+      memberProjectRefs: scope.projectRefs,
+      pinned: scope.pinned,
+      archived: scope.archived,
+    })),
   ).pipe(Atom.withEquality(sameProjectOrder)),
 );
 
diff --git a/packages/client-runtime/src/state/projectGrouping.test.ts b/packages/client-runtime/src/state/projectGrouping.test.ts
index a5957d06e1b01..8f2be1133e07f 100644
--- a/packages/client-runtime/src/state/projectGrouping.test.ts
+++ b/packages/client-runtime/src/state/projectGrouping.test.ts
@@ -416,8 +416,23 @@ describe("sortProjectsByGroupOrder", () => {
   it("tells the same project id on two environments apart", () => {
     const sorted = sortProjectsByGroupOrder(
       [project("shared"), project("shared", remote)],
-      [{ memberProjectRefs: [ref("shared", remote)] }, { memberProjectRefs: [ref("shared")] }],
+      [
+        { memberProjectRefs: [ref("shared", remote)], pinned: false, archived: false },
+        { memberProjectRefs: [ref("shared")], pinned: false, archived: false },
+      ],
     );
     expect(sorted.map((entry) => entry.environmentId)).toEqual([remote, environmentId]);
   });
+
+  it("lists pinned projects first and archived ones last, like the sidebar's project menu", () => {
+    const sorted = sortProjectsByGroupOrder(
+      [project("archived"), project("recent"), project("pinned"), project("unlisted")],
+      [
+        { memberProjectRefs: [ref("archived")], pinned: false, archived: true },
+        { memberProjectRefs: [ref("recent")], pinned: false, archived: false },
+        { memberProjectRefs: [ref("pinned")], pinned: true, archived: false },
+      ],
+    );
+    expect(sorted.map((entry) => entry.id)).toEqual(["pinned", "recent", "archived", "unlisted"]);
+  });
 });
diff --git a/packages/client-runtime/src/state/projectGrouping.ts b/packages/client-runtime/src/state/projectGrouping.ts
index 46fdc4e3dd3ae..1fbfd7af2c1e0 100644
--- a/packages/client-runtime/src/state/projectGrouping.ts
+++ b/packages/client-runtime/src/state/projectGrouping.ts
@@ -384,10 +384,14 @@ export function sortProjectsByGroupOrder<
   TProject extends { readonly id: string; readonly environmentId: string },
 >(
   projects: ReadonlyArray<TProject>,
-  groups: ReadonlyArray<{ readonly memberProjectRefs: ReadonlyArray<ScopedProjectRef> }>,
+  groups: ReadonlyArray<{
+    readonly memberProjectRefs: ReadonlyArray<ScopedProjectRef>;
+    readonly pinned: boolean;
+    readonly archived: boolean;
+  }>,
 ): TProject[] {
   const rankByProject = new Map<string, number>();
-  groups.forEach((group, rank) => {
+  pickableProjectGroups(groups).forEach((group, rank) => {
     for (const ref of group.memberProjectRefs) {
       const key = `${ref.environmentId}\0${ref.projectId}`;
       if (!rankByProject.has(key)) rankByProject.set(key, rank);