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
@@ -1353,6 +1353,7 @@
     'HarbormasterBuildTarget' => 'applications/harbormaster/storage/build/HarbormasterBuildTarget.php',
     'HarbormasterBuildTargetPHIDType' => 'applications/harbormaster/phid/HarbormasterBuildTargetPHIDType.php',
     'HarbormasterBuildTargetQuery' => 'applications/harbormaster/query/HarbormasterBuildTargetQuery.php',
+    'HarbormasterBuildTargetSearchEngine' => 'applications/harbormaster/query/HarbormasterBuildTargetSearchEngine.php',
     'HarbormasterBuildTransaction' => 'applications/harbormaster/storage/HarbormasterBuildTransaction.php',
     'HarbormasterBuildTransactionEditor' => 'applications/harbormaster/editor/HarbormasterBuildTransactionEditor.php',
     'HarbormasterBuildTransactionQuery' => 'applications/harbormaster/query/HarbormasterBuildTransactionQuery.php',
@@ -1433,6 +1434,7 @@
     'HarbormasterStepEditController' => 'applications/harbormaster/controller/HarbormasterStepEditController.php',
     'HarbormasterStepViewController' => 'applications/harbormaster/controller/HarbormasterStepViewController.php',
     'HarbormasterTargetEngine' => 'applications/harbormaster/engine/HarbormasterTargetEngine.php',
+    'HarbormasterTargetSearchAPIMethod' => 'applications/harbormaster/conduit/HarbormasterTargetSearchAPIMethod.php',
     'HarbormasterTargetWorker' => 'applications/harbormaster/worker/HarbormasterTargetWorker.php',
     'HarbormasterTestBuildStepGroup' => 'applications/harbormaster/stepgroup/HarbormasterTestBuildStepGroup.php',
     'HarbormasterThrowExceptionBuildStep' => 'applications/harbormaster/step/HarbormasterThrowExceptionBuildStep.php',
@@ -6832,9 +6834,11 @@
       'HarbormasterDAO',
       'PhabricatorPolicyInterface',
       'PhabricatorDestructibleInterface',
+      'PhabricatorConduitResultInterface',
     ),
     'HarbormasterBuildTargetPHIDType' => 'PhabricatorPHIDType',
     'HarbormasterBuildTargetQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+    'HarbormasterBuildTargetSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'HarbormasterBuildTransaction' => 'PhabricatorApplicationTransaction',
     'HarbormasterBuildTransactionEditor' => 'PhabricatorApplicationTransactionEditor',
     'HarbormasterBuildTransactionQuery' => 'PhabricatorApplicationTransactionQuery',
@@ -6918,6 +6922,7 @@
     'HarbormasterStepEditController' => 'HarbormasterPlanController',
     'HarbormasterStepViewController' => 'HarbormasterPlanController',
     'HarbormasterTargetEngine' => 'Phobject',
+    'HarbormasterTargetSearchAPIMethod' => 'PhabricatorSearchEngineAPIMethod',
     'HarbormasterTargetWorker' => 'HarbormasterWorker',
     'HarbormasterTestBuildStepGroup' => 'HarbormasterBuildStepGroup',
     'HarbormasterThrowExceptionBuildStep' => 'HarbormasterBuildStepImplementation',
diff --git a/src/applications/harbormaster/conduit/HarbormasterTargetSearchAPIMethod.php b/src/applications/harbormaster/conduit/HarbormasterTargetSearchAPIMethod.php
new file mode 100644
--- /dev/null
+++ b/src/applications/harbormaster/conduit/HarbormasterTargetSearchAPIMethod.php
@@ -0,0 +1,18 @@
+<?php
+
+final class HarbormasterTargetSearchAPIMethod
+  extends PhabricatorSearchEngineAPIMethod {
+
+  public function getAPIMethodName() {
+    return 'harbormaster.target.search';
+  }
+
+  public function newSearchEngine() {
+    return new HarbormasterBuildTargetSearchEngine();
+  }
+
+  public function getMethodSummary() {
+    return pht('Retrieve information about Harbormaster build targets.');
+  }
+
+}
diff --git a/src/applications/harbormaster/query/HarbormasterBuildTargetSearchEngine.php b/src/applications/harbormaster/query/HarbormasterBuildTargetSearchEngine.php
new file mode 100644
--- /dev/null
+++ b/src/applications/harbormaster/query/HarbormasterBuildTargetSearchEngine.php
@@ -0,0 +1,73 @@
+<?php
+
+final class HarbormasterBuildTargetSearchEngine
+  extends PhabricatorApplicationSearchEngine {
+
+  public function getResultTypeDescription() {
+    return pht('Harbormaster Build Targets');
+  }
+
+  public function getApplicationClassName() {
+    return 'PhabricatorHarbormasterApplication';
+  }
+
+  public function newQuery() {
+    return new HarbormasterBuildTargetQuery();
+  }
+
+  protected function buildCustomSearchFields() {
+    return array(
+      id(new PhabricatorSearchDatasourceField())
+        ->setLabel(pht('Builds'))
+        ->setKey('buildPHIDs')
+        ->setAliases(array('build', 'builds', 'buildPHID'))
+        ->setDescription(
+          pht('Search for targets of a given build.'))
+        ->setDatasource(new HarbormasterBuildPlanDatasource()),
+    );
+  }
+
+  protected function buildQueryFromParameters(array $map) {
+    $query = $this->newQuery();
+
+    if ($map['buildPHIDs']) {
+      $query->withBuildPHIDs($map['buildPHIDs']);
+    }
+
+    return $query;
+  }
+
+  protected function getURI($path) {
+    return '/harbormaster/target/'.$path;
+  }
+
+  protected function getBuiltinQueryNames() {
+    return array(
+      'all' => pht('All Targets'),
+    );
+  }
+
+  public function buildSavedQueryFromBuiltin($query_key) {
+    $query = $this->newSavedQuery();
+    $query->setQueryKey($query_key);
+
+    switch ($query_key) {
+      case 'all':
+        return $query;
+    }
+
+    return parent::buildSavedQueryFromBuiltin($query_key);
+  }
+
+  protected function renderResultList(
+    array $builds,
+    PhabricatorSavedQuery $query,
+    array $handles) {
+    assert_instances_of($builds, 'HarbormasterBuildTarget');
+
+    // Currently, this only supports the "harbormaster.target.search"
+    // API method.
+    throw new PhutilMethodNotImplementedException();
+  }
+
+}
diff --git a/src/applications/harbormaster/storage/build/HarbormasterBuildTarget.php b/src/applications/harbormaster/storage/build/HarbormasterBuildTarget.php
--- a/src/applications/harbormaster/storage/build/HarbormasterBuildTarget.php
+++ b/src/applications/harbormaster/storage/build/HarbormasterBuildTarget.php
@@ -4,7 +4,8 @@
   extends HarbormasterDAO
   implements
     PhabricatorPolicyInterface,
-    PhabricatorDestructibleInterface {
+    PhabricatorDestructibleInterface,
+    PhabricatorConduitResultInterface {
 
   protected $name;
   protected $buildPHID;
@@ -412,4 +413,85 @@
   }
 
 
+/* -(  PhabricatorConduitResultInterface  )---------------------------------- */
+
+
+  public function getFieldSpecificationsForConduit() {
+    return array(
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('name')
+        ->setType('string')
+        ->setDescription(pht('The name of the build target.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('buildPHID')
+        ->setType('phid')
+        ->setDescription(pht('The build the target is associated with.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('buildStepPHID')
+        ->setType('phid')
+        ->setDescription(pht('The build step the target runs.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('status')
+        ->setType('map<string, wild>')
+        ->setDescription(pht('Status for the build target.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('epochStarted')
+        ->setType('epoch?')
+        ->setDescription(
+          pht(
+            'Epoch timestamp for target start, if the target '.
+            'has started.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('epochCompleted')
+        ->setType('epoch?')
+        ->setDescription(
+          pht(
+            'Epoch timestamp for target completion, if the target '.
+            'has completed.')),
+      id(new PhabricatorConduitSearchFieldSpecification())
+        ->setKey('buildGeneration')
+        ->setType('int')
+        ->setDescription(
+          pht(
+            'Build generation this target belongs to. When builds '.
+            'restart, a new generation with new targets is created.')),
+    );
+  }
+
+  public function getFieldValuesForConduit() {
+    $status = $this->getTargetStatus();
+
+    $epoch_started = $this->getDateStarted();
+    if ($epoch_started) {
+      $epoch_started = (int)$epoch_started;
+    } else {
+      $epoch_started = null;
+    }
+
+    $epoch_completed = $this->getDateCompleted();
+    if ($epoch_completed) {
+      $epoch_completed = (int)$epoch_completed;
+    } else {
+      $epoch_completed = null;
+    }
+
+    return array(
+      'name' => $this->getName(),
+      'buildPHID' => $this->getBuildPHID(),
+      'buildStepPHID' => $this->getBuildStepPHID(),
+      'status' => array(
+        'value' => $status,
+        'name' => self::getBuildTargetStatusName($status),
+      ),
+      'epochStarted' => $epoch_started,
+      'epochCompleted' => $epoch_completed,
+      'buildGeneration' => (int)$this->getBuildGeneration(),
+    );
+  }
+
+  public function getConduitSearchAttachments() {
+    return array();
+  }
+
+
 }