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
@@ -5201,6 +5201,7 @@
       'PhabricatorPolicyInterface',
       'PhabricatorSubscribableInterface',
       'PhabricatorNgramsInterface',
+      'PhabricatorProjectInterface',
     ),
     'HarbormasterBuildPlanDatasource' => 'PhabricatorTypeaheadDatasource',
     'HarbormasterBuildPlanDefaultEditCapability' => 'PhabricatorPolicyCapability',
diff --git a/src/applications/harbormaster/query/HarbormasterBuildPlanSearchEngine.php b/src/applications/harbormaster/query/HarbormasterBuildPlanSearchEngine.php
--- a/src/applications/harbormaster/query/HarbormasterBuildPlanSearchEngine.php
+++ b/src/applications/harbormaster/query/HarbormasterBuildPlanSearchEngine.php
@@ -84,12 +84,24 @@
 
     $viewer = $this->requireViewer();
 
+
+    if ($plans) {
+      $edge_query = id(new PhabricatorEdgeQuery())
+        ->withSourcePHIDs(mpull($plans, 'getPHID'))
+        ->withEdgeTypes(
+          array(
+            PhabricatorProjectObjectHasProjectEdgeType::EDGECONST,
+          ));
+
+      $edge_query->execute();
+    }
+
     $list = new PHUIObjectItemListView();
     foreach ($plans as $plan) {
       $id = $plan->getID();
 
       $item = id(new PHUIObjectItemView())
-        ->setObjectName(pht('Plan %d', $plan->getID()))
+        ->setObjectName(pht('Plan %d', $id))
         ->setHeader($plan->getName());
 
       if ($plan->isDisabled()) {
@@ -102,6 +114,17 @@
 
       $item->setHref($this->getApplicationURI("plan/{$id}/"));
 
+      $phid = $plan->getPHID();
+      $project_phids = $edge_query->getDestinationPHIDs(array($phid));
+      $project_handles = $viewer->loadHandles($project_phids);
+
+      $item->addAttribute(
+        id(new PHUIHandleTagListView())
+          ->setLimit(4)
+          ->setNoDataString(pht('No Projects'))
+          ->setSlim(true)
+          ->setHandles($project_handles));
+
       $list->addItem($item);
     }
 
diff --git a/src/applications/harbormaster/storage/configuration/HarbormasterBuildPlan.php b/src/applications/harbormaster/storage/configuration/HarbormasterBuildPlan.php
--- a/src/applications/harbormaster/storage/configuration/HarbormasterBuildPlan.php
+++ b/src/applications/harbormaster/storage/configuration/HarbormasterBuildPlan.php
@@ -8,7 +8,8 @@
     PhabricatorApplicationTransactionInterface,
     PhabricatorPolicyInterface,
     PhabricatorSubscribableInterface,
-    PhabricatorNgramsInterface {
+    PhabricatorNgramsInterface,
+    PhabricatorProjectInterface {
 
   protected $name;
   protected $planStatus;
diff --git a/src/applications/phid/view/PHUIHandleTagListView.php b/src/applications/phid/view/PHUIHandleTagListView.php
--- a/src/applications/phid/view/PHUIHandleTagListView.php
+++ b/src/applications/phid/view/PHUIHandleTagListView.php
@@ -53,7 +53,7 @@
     $handles = $this->handles;
 
     // If the list is empty, we may render a "No Projects" tag.
-    if (!$handles) {
+    if (!count($handles)) {
       if (strlen($this->noDataString)) {
         $no_data_tag = $this->newPlaceholderTag()
           ->setName($this->noDataString);
@@ -61,7 +61,10 @@
       }
     }
 
-    if ($this->limit) {
+    if ($this->limit && ($this->limit > count($handles))) {
+      if (!is_array($handles)) {
+        $handles = iterator_to_array($handles);
+      }
       $handles = array_slice($handles, 0, $this->limit);
     }