diff --git a/homeassistant/components/alarmdecoder/__init__.py b/homeassistant/components/alarmdecoder/__init__.py
index 93c0746a812..833156e98b2 100644
--- a/homeassistant/components/alarmdecoder/__init__.py
+++ b/homeassistant/components/alarmdecoder/__init__.py
@@ -24,6 +24,7 @@ CONF_DEVICE_BAUD = "baudrate"
 CONF_DEVICE_PATH = "path"
 CONF_DEVICE_PORT = "port"
 CONF_DEVICE_TYPE = "type"
+CONF_AUTO_BYPASS = "autobypass"
 CONF_PANEL_DISPLAY = "panel_display"
 CONF_ZONE_NAME = "name"
 CONF_ZONE_TYPE = "type"
@@ -39,6 +40,7 @@ DEFAULT_DEVICE_PORT = 10000
 DEFAULT_DEVICE_PATH = "/dev/ttyUSB0"
 DEFAULT_DEVICE_BAUD = 115200
 
+DEFAULT_AUTO_BYPASS = False
 DEFAULT_PANEL_DISPLAY = False
 
 DEFAULT_ZONE_TYPE = "opening"
@@ -102,6 +104,7 @@ CONFIG_SCHEMA = vol.Schema(
                 vol.Optional(
                     CONF_PANEL_DISPLAY, default=DEFAULT_PANEL_DISPLAY
                 ): cv.boolean,
+                vol.Optional(CONF_AUTO_BYPASS, default=DEFAULT_AUTO_BYPASS): cv.boolean,
                 vol.Optional(CONF_ZONES): {vol.Coerce(int): ZONE_SCHEMA},
             }
         )
diff --git a/homeassistant/components/alarmdecoder/alarm_control_panel.py b/homeassistant/components/alarmdecoder/alarm_control_panel.py
index 66960ca3034..70f3e67e15b 100644
--- a/homeassistant/components/alarmdecoder/alarm_control_panel.py
+++ b/homeassistant/components/alarmdecoder/alarm_control_panel.py
@@ -35,7 +35,7 @@ ALARM_KEYPRESS_SCHEMA = vol.Schema({vol.Required(ATTR_KEYPRESS): cv.string})
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up for AlarmDecoder alarm panels."""
-    device = AlarmDecoderAlarmPanel()
+    device = AlarmDecoderAlarmPanel(discovery_info["autobypass"])
     add_entities([device])
 
     def alarm_toggle_chime_handler(service):
@@ -66,7 +66,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
 class AlarmDecoderAlarmPanel(AlarmControlPanel):
     """Representation of an AlarmDecoder-based alarm panel."""
 
-    def __init__(self):
+    def __init__(self, auto_bypass):
         """Initialize the alarm panel."""
         self._display = ""
         self._name = "Alarm Panel"
@@ -80,6 +80,7 @@ class AlarmDecoderAlarmPanel(AlarmControlPanel):
         self._programming_mode = None
         self._ready = None
         self._zone_bypassed = None
+        self._auto_bypass = auto_bypass
 
     async def async_added_to_hass(self):
         """Register callbacks."""
@@ -158,11 +159,15 @@ class AlarmDecoderAlarmPanel(AlarmControlPanel):
     def alarm_arm_away(self, code=None):
         """Send arm away command."""
         if code:
+            if self._auto_bypass:
+                self.hass.data[DATA_AD].send(f"{code!s}6#")
             self.hass.data[DATA_AD].send(f"{code!s}2")
 
     def alarm_arm_home(self, code=None):
         """Send arm home command."""
         if code:
+            if self._auto_bypass:
+                self.hass.data[DATA_AD].send(f"{code!s}6#")
             self.hass.data[DATA_AD].send(f"{code!s}3")
 
     def alarm_arm_night(self, code=None):