diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1228,6 +1228,7 @@
     'PHUIPropertyListExample' => 'applications/uiexample/examples/PHUIPropertyListExample.php',
     'PHUIPropertyListView' => 'view/phui/PHUIPropertyListView.php',
     'PHUIRemarkupPreviewPanel' => 'view/phui/PHUIRemarkupPreviewPanel.php',
+    'PHUISpacesNamespaceContextView' => 'applications/spaces/view/PHUISpacesNamespaceContextView.php',
     'PHUIStatusItemView' => 'view/phui/PHUIStatusItemView.php',
     'PHUIStatusListView' => 'view/phui/PHUIStatusListView.php',
     'PHUITagExample' => 'applications/uiexample/examples/PHUITagExample.php',
@@ -4589,6 +4590,7 @@
     'PHUIPropertyListExample' => 'PhabricatorUIExample',
     'PHUIPropertyListView' => 'AphrontView',
     'PHUIRemarkupPreviewPanel' => 'AphrontTagView',
+    'PHUISpacesNamespaceContextView' => 'AphrontView',
     'PHUIStatusItemView' => 'AphrontTagView',
     'PHUIStatusListView' => 'AphrontTagView',
     'PHUITagExample' => 'PhabricatorUIExample',
diff --git a/src/applications/search/controller/PhabricatorSearchHovercardController.php b/src/applications/search/controller/PhabricatorSearchHovercardController.php
--- a/src/applications/search/controller/PhabricatorSearchHovercardController.php
+++ b/src/applications/search/controller/PhabricatorSearchHovercardController.php
@@ -7,18 +7,17 @@
     return true;
   }
 
-  public function processRequest() {
-    $request = $this->getRequest();
-    $user = $request->getUser();
+  public function handleRequest(AphrontRequest $request) {
+    $viewer = $this->getViewer();
 
     $phids = $request->getArr('phids');
 
     $handles = id(new PhabricatorHandleQuery())
-      ->setViewer($user)
+      ->setViewer($viewer)
       ->withPHIDs($phids)
       ->execute();
     $objects = id(new PhabricatorObjectQuery())
-      ->setViewer($user)
+      ->setViewer($viewer)
       ->withPHIDs($phids)
       ->execute();
 
@@ -26,9 +25,15 @@
 
     foreach ($phids as $phid) {
       $handle = $handles[$phid];
+      $object = $objects[$phid];
 
-      $hovercard = new PhabricatorHovercardView();
-      $hovercard->setObjectHandle($handle);
+      $hovercard = id(new PhabricatorHovercardView())
+        ->setUser($viewer)
+        ->setObjectHandle($handle);
+
+      if ($object) {
+        $hovercard->setObject($object);
+      }
 
       // Send it to the other side of the world, thanks to PhutilEventEngine
       $event = new PhabricatorEvent(
@@ -36,9 +41,9 @@
         array(
           'hovercard' => $hovercard,
           'handle'    => $handle,
-          'object'    => idx($objects, $phid),
+          'object'    => $object,
         ));
-      $event->setUser($user);
+      $event->setUser($viewer);
       PhutilEventEngine::dispatchEvent($event);
 
       $cards[$phid] = $hovercard;
diff --git a/src/applications/spaces/query/PhabricatorSpacesNamespaceQuery.php b/src/applications/spaces/query/PhabricatorSpacesNamespaceQuery.php
--- a/src/applications/spaces/query/PhabricatorSpacesNamespaceQuery.php
+++ b/src/applications/spaces/query/PhabricatorSpacesNamespaceQuery.php
@@ -145,4 +145,33 @@
     return $result;
   }
 
+  /**
+   * Get the Space PHID for an object, if one exists.
+   *
+   * This is intended to simplify performing a bunch of redundant checks; you
+   * can intentionally pass any value in (including `null`).
+   *
+   * @param wild
+   * @return phid|null
+   */
+  public static function getObjectSpacePHID($object) {
+    if (!$object) {
+      return null;
+    }
+
+    if (!($object instanceof PhabricatorSpacesInterface)) {
+      return null;
+    }
+
+    $space_phid = $object->getSpacePHID();
+    if ($space_phid === null) {
+      $default_space = self::getDefaultSpace();
+      if ($default_space) {
+        $space_phid = $default_space->getPHID();
+      }
+    }
+
+    return $space_phid;
+  }
+
 }
diff --git a/src/applications/spaces/view/PHUISpacesNamespaceContextView.php b/src/applications/spaces/view/PHUISpacesNamespaceContextView.php
new file mode 100644
--- /dev/null
+++ b/src/applications/spaces/view/PHUISpacesNamespaceContextView.php
@@ -0,0 +1,36 @@
+<?php
+
+final class PHUISpacesNamespaceContextView extends AphrontView {
+
+  private $object;
+
+  public function setObject($object) {
+    $this->object = $object;
+    return $this;
+  }
+
+  public function getObject() {
+    return $this->object;
+  }
+
+  public function render() {
+    $object = $this->getObject();
+
+    $space_phid = PhabricatorSpacesNamespaceQuery::getObjectSpacePHID($object);
+    if (!$space_phid) {
+      return null;
+    }
+
+    $viewer = $this->getUser();
+    return phutil_tag(
+      'span',
+      array(
+        'class' => 'spaces-name',
+      ),
+      array(
+        $viewer->renderHandle($space_phid),
+        ' | ',
+      ));
+  }
+
+}
diff --git a/src/view/phui/PHUIHeaderView.php b/src/view/phui/PHUIHeaderView.php
--- a/src/view/phui/PHUIHeaderView.php
+++ b/src/view/phui/PHUIHeaderView.php
@@ -172,9 +172,14 @@
         ' ');
     }
 
-    $header = array();
+    $viewer = $this->getUser();
 
-    $header[] = $this->renderObjectSpaceInformation();
+    $header = array();
+    if ($viewer) {
+      $header[] = id(new PHUISpacesNamespaceContextView())
+        ->setUser($viewer)
+        ->setObject($this->policyObject);
+    }
 
     if ($this->objectName) {
       $header[] = array(
@@ -297,40 +302,4 @@
     return array($icon, $link);
   }
 
-  private function renderObjectSpaceInformation() {
-    $viewer = $this->getUser();
-
-    $object = $this->policyObject;
-    if (!$object) {
-      return;
-    }
-
-    if (!($object instanceof PhabricatorSpacesInterface)) {
-      return;
-    }
-
-    $space_phid = $object->getSpacePHID();
-    if ($space_phid === null) {
-      $default_space = PhabricatorSpacesNamespaceQuery::getDefaultSpace();
-      if ($default_space) {
-        $space_phid = $default_space->getPHID();
-      }
-    }
-
-    if ($space_phid === null) {
-      return;
-    }
-
-    return phutil_tag(
-      'span',
-      array(
-        'class' => 'spaces-name',
-      ),
-      array(
-        $viewer->renderHandle($space_phid),
-        ' | ',
-      ));
-  }
-
-
 }
diff --git a/src/view/phui/PHUIObjectItemListView.php b/src/view/phui/PHUIObjectItemListView.php
--- a/src/view/phui/PHUIObjectItemListView.php
+++ b/src/view/phui/PHUIObjectItemListView.php
@@ -90,6 +90,7 @@
   }
 
   protected function getTagContent() {
+    $viewer = $this->getUser();
     require_celerity_resource('phui-object-item-list-view-css');
 
     $header = null;
@@ -103,6 +104,11 @@
     }
 
     if ($this->items) {
+      if ($viewer) {
+        foreach ($this->items as $item) {
+          $item->setUser($viewer);
+        }
+      }
       $items = $this->items;
     } else if ($this->allowEmptyList) {
       $items = null;
diff --git a/src/view/phui/PHUIObjectItemView.php b/src/view/phui/PHUIObjectItemView.php
--- a/src/view/phui/PHUIObjectItemView.php
+++ b/src/view/phui/PHUIObjectItemView.php
@@ -323,12 +323,21 @@
   }
 
   protected function getTagContent() {
+    $viewer = $this->getUser();
+
     $content_classes = array();
     $content_classes[] = 'phui-object-item-content';
 
-    $header_name = null;
+    $header_name = array();
+
+    if ($viewer) {
+      $header_name[] = id(new PHUISpacesNamespaceContextView())
+        ->setUser($viewer)
+        ->setObject($this->object);
+    }
+
     if ($this->objectName) {
-      $header_name = array(
+      $header_name[] = array(
         phutil_tag(
           'span',
           array(
diff --git a/src/view/widget/hovercard/PhabricatorHovercardView.php b/src/view/widget/hovercard/PhabricatorHovercardView.php
--- a/src/view/widget/hovercard/PhabricatorHovercardView.php
+++ b/src/view/widget/hovercard/PhabricatorHovercardView.php
@@ -10,6 +10,7 @@
    * @var PhabricatorObjectHandle
    */
   private $handle;
+  private $object;
 
   private $title = array();
   private $detail;
@@ -23,6 +24,15 @@
     return $this;
   }
 
+  public function setObject($object) {
+    $this->object = $object;
+    return $this;
+  }
+
+  public function getObject() {
+    return $this->object;
+  }
+
   public function setTitle($title) {
     $this->title = $title;
     return $this;
@@ -65,13 +75,20 @@
       throw new PhutilInvalidStateException('setObjectHandle');
     }
 
+    $viewer = $this->getUser();
     $handle = $this->handle;
 
     require_celerity_resource('phabricator-hovercard-view-css');
 
-    $title = pht('%s: %s',
-      $handle->getTypeName(),
-      $this->title ? $this->title : $handle->getName());
+    $title = array(
+      id(new PHUISpacesNamespaceContextView())
+        ->setUser($viewer)
+        ->setObject($this->getObject()),
+      pht(
+        '%s: %s',
+        $handle->getTypeName(),
+        $this->title ? $this->title : $handle->getName()),
+    );
 
     $header = new PHUIActionHeaderView();
     $header->setHeaderColor($this->color);