diff --git a/src/lint/linter/ArcanistFlake8Linter.php b/src/lint/linter/ArcanistFlake8Linter.php
--- a/src/lint/linter/ArcanistFlake8Linter.php
+++ b/src/lint/linter/ArcanistFlake8Linter.php
@@ -6,6 +6,8 @@
  */
 final class ArcanistFlake8Linter extends ArcanistExternalLinter {
 
+  private $flake8rc;
+
   public function getInfoName() {
     return 'Flake8';
   }
@@ -28,6 +30,17 @@
     return 'flake8';
   }
 
+  public function getLinterConfigurationOptions() {
+    $options = array(
+      'flake8.flake8rc' => array(
+        'type' => 'optional string',
+        'help' => pht('Eg. ~/config/flake8')
+      )
+    );
+
+    return $options + parent::getLinterConfigurationOptions();
+  }
+
   public function getDefaultFlags() {
     return $this->getDeprecatedConfiguration('lint.flake8.options', array());
   }
@@ -43,6 +56,16 @@
     }
   }
 
+  protected function getMandatoryFlags() {
+    $options = array();
+
+    if ($this->flake8rc) {
+      $options[] = '--config='.$this->flake8rc;
+    }
+
+    return $options;
+  }
+
   public function getVersion() {
     list($stdout) = execx('%C --version', $this->getExecutableCommand());
 
@@ -54,6 +77,16 @@
     }
   }
 
+  public function setLinterConfigurationValue($key, $value) {
+    switch ($key) {
+    case 'flake8.flake8rc':
+      $this->flake8rc = $value;
+      return;
+    }
+
+    return parent::setLinterConfigurationValue($key, $value);
+  }
+
   public function getInstallInstructions() {
     return pht('Install flake8 using `easy_install flake8`.');
   }