diff --git a/.coveragerc b/.coveragerc
index 9eb9ee2f5b8..80ce7dba798 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -137,6 +137,7 @@ omit =
     homeassistant/components/sensor/openweathermap.py
     homeassistant/components/sensor/rest.py
     homeassistant/components/sensor/sabnzbd.py
+    homeassistant/components/sensor/steam_online.py
     homeassistant/components/sensor/speedtest.py
     homeassistant/components/sensor/swiss_public_transport.py
     homeassistant/components/sensor/systemmonitor.py
diff --git a/homeassistant/components/sensor/steam_online.py b/homeassistant/components/sensor/steam_online.py
new file mode 100644
index 00000000000..6b740d0639b
--- /dev/null
+++ b/homeassistant/components/sensor/steam_online.py
@@ -0,0 +1,74 @@
+"""
+homeassistant.components.sensor.steam_online
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Sensor for Steam account status.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/sensor.steam_online/
+"""
+from homeassistant.helpers.entity import Entity
+from homeassistant.const import (ATTR_ENTITY_PICTURE, CONF_API_KEY)
+
+ICON = 'mdi:steam'
+
+REQUIREMENTS = ['steamodd==4.21']
+
+
+# pylint: disable=unused-argument
+def setup_platform(hass, config, add_devices, discovery_info=None):
+    """ Sets up the Steam platform. """
+    import steam as steamod
+    steamod.api.key.set(config.get(CONF_API_KEY))
+    add_devices(
+        [SteamSensor(account,
+                     steamod) for account in config.get('accounts', [])])
+
+
+class SteamSensor(Entity):
+    """ Steam account. """
+
+    # pylint: disable=abstract-method
+    def __init__(self, account, steamod):
+        self._steamod = steamod
+        self._account = account
+        self.update()
+
+    @property
+    def name(self):
+        """ Returns the name of the sensor. """
+        return self._profile.persona
+
+    @property
+    def entity_id(self):
+        """ Entity ID. """
+        return 'sensor.steam_{}'.format(self._account)
+
+    @property
+    def state(self):
+        """ State of the sensor. """
+        return self._state
+
+    # pylint: disable=no-member
+    def update(self):
+        """ Update device state. """
+        self._profile = self._steamod.user.profile(self._account)
+        self._state = {
+            1: 'Online',
+            2: 'Busy',
+            3: 'Away',
+            4: 'Snooze',
+            5: 'Trade',
+            6: 'Play',
+        }.get(self._profile.status, 'Offline')
+
+    @property
+    def device_state_attributes(self):
+        """ Returns the state attributes. """
+        return {
+            ATTR_ENTITY_PICTURE: self._profile.avatar_medium
+        }
+
+    @property
+    def icon(self):
+        """ Icon to use in the frontend """
+        return ICON
diff --git a/requirements_all.txt b/requirements_all.txt
index c93dc535451..27daf3d244b 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -243,6 +243,9 @@ somecomfort==0.2.1
 # homeassistant.components.sensor.speedtest
 speedtest-cli==0.3.4
 
+# homeassistant.components.sensor.steam_online
+steamodd==4.21
+
 # homeassistant.components.light.tellstick
 # homeassistant.components.sensor.tellstick
 # homeassistant.components.switch.tellstick