diff --git a/homeassistant/components/command_line/binary_sensor.py b/homeassistant/components/command_line/binary_sensor.py
index 86916e86a26..cb78b7b9144 100644
--- a/homeassistant/components/command_line/binary_sensor.py
+++ b/homeassistant/components/command_line/binary_sensor.py
@@ -18,8 +18,9 @@ from homeassistant.const import (
     CONF_VALUE_TEMPLATE,
 )
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.reload import setup_reload_service
 
-from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT
+from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
 from .sensor import CommandSensorData
 
 _LOGGER = logging.getLogger(__name__)
@@ -46,6 +47,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the Command line Binary Sensor."""
+
+    setup_reload_service(hass, DOMAIN, PLATFORMS)
+
     name = config.get(CONF_NAME)
     command = config.get(CONF_COMMAND)
     payload_off = config.get(CONF_PAYLOAD_OFF)
diff --git a/homeassistant/components/command_line/const.py b/homeassistant/components/command_line/const.py
index 8c5bc0b2967..2ac6aab29a5 100644
--- a/homeassistant/components/command_line/const.py
+++ b/homeassistant/components/command_line/const.py
@@ -2,3 +2,5 @@
 
 CONF_COMMAND_TIMEOUT = "command_timeout"
 DEFAULT_TIMEOUT = 15
+DOMAIN = "command_line"
+PLATFORMS = ["binary_sensor", "cover", "sensor", "switch"]
diff --git a/homeassistant/components/command_line/cover.py b/homeassistant/components/command_line/cover.py
index 1fdcdf3b3e7..05d2b9634f2 100644
--- a/homeassistant/components/command_line/cover.py
+++ b/homeassistant/components/command_line/cover.py
@@ -14,9 +14,10 @@ from homeassistant.const import (
     CONF_VALUE_TEMPLATE,
 )
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.reload import setup_reload_service
 
 from . import call_shell_with_timeout, check_output_or_log
-from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT
+from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -39,6 +40,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up cover controlled by shell commands."""
+
+    setup_reload_service(hass, DOMAIN, PLATFORMS)
+
     devices = config.get(CONF_COVERS, {})
     covers = []
 
diff --git a/homeassistant/components/command_line/sensor.py b/homeassistant/components/command_line/sensor.py
index 778806099aa..35f7c5a4811 100644
--- a/homeassistant/components/command_line/sensor.py
+++ b/homeassistant/components/command_line/sensor.py
@@ -18,9 +18,10 @@ from homeassistant.exceptions import TemplateError
 from homeassistant.helpers import template
 import homeassistant.helpers.config_validation as cv
 from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.reload import setup_reload_service
 
 from . import check_output_or_log
-from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT
+from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -44,6 +45,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the Command Sensor."""
+
+    setup_reload_service(hass, DOMAIN, PLATFORMS)
+
     name = config.get(CONF_NAME)
     command = config.get(CONF_COMMAND)
     unit = config.get(CONF_UNIT_OF_MEASUREMENT)
diff --git a/homeassistant/components/command_line/services.yaml b/homeassistant/components/command_line/services.yaml
new file mode 100644
index 00000000000..8876e8dc925
--- /dev/null
+++ b/homeassistant/components/command_line/services.yaml
@@ -0,0 +1,2 @@
+reload:
+  description: Reload all command_line entities.
diff --git a/homeassistant/components/command_line/switch.py b/homeassistant/components/command_line/switch.py
index 804e3c6a4d5..ce46cd4f2cd 100644
--- a/homeassistant/components/command_line/switch.py
+++ b/homeassistant/components/command_line/switch.py
@@ -17,9 +17,10 @@ from homeassistant.const import (
     CONF_VALUE_TEMPLATE,
 )
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.reload import setup_reload_service
 
 from . import call_shell_with_timeout, check_output_or_log
-from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT
+from .const import CONF_COMMAND_TIMEOUT, DEFAULT_TIMEOUT, DOMAIN, PLATFORMS
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -41,6 +42,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Find and return switches controlled by shell commands."""
+
+    setup_reload_service(hass, DOMAIN, PLATFORMS)
+
     devices = config.get(CONF_SWITCHES, {})
     switches = []
 
diff --git a/tests/components/command_line/test_cover.py b/tests/components/command_line/test_cover.py
index cc91e521d68..4707296a426 100644
--- a/tests/components/command_line/test_cover.py
+++ b/tests/components/command_line/test_cover.py
@@ -1,16 +1,20 @@
 """The tests the cover command line platform."""
 import os
+from os import path
 import tempfile
 from unittest import mock
 
+from asynctest.mock import patch
 import pytest
 
+from homeassistant import config as hass_config
 import homeassistant.components.command_line.cover as cmd_rs
 from homeassistant.components.cover import DOMAIN
 from homeassistant.const import (
     ATTR_ENTITY_ID,
     SERVICE_CLOSE_COVER,
     SERVICE_OPEN_COVER,
+    SERVICE_RELOAD,
     SERVICE_STOP_COVER,
 )
 from homeassistant.setup import async_setup_component
@@ -87,3 +91,39 @@ async def test_state_value(hass):
             DOMAIN, SERVICE_STOP_COVER, {ATTR_ENTITY_ID: "cover.test"}, blocking=True
         )
         assert "closed" == hass.states.get("cover.test").state
+
+
+async def test_reload(hass):
+    """Verify we can reload command_line covers."""
+
+    test_cover = {
+        "command_state": "echo open",
+        "value_template": "{{ value }}",
+    }
+    await async_setup_component(
+        hass,
+        DOMAIN,
+        {"cover": {"platform": "command_line", "covers": {"test": test_cover}}},
+    )
+    await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 1
+    assert hass.states.get("cover.test").state
+
+    yaml_path = path.join(
+        _get_fixtures_base_path(), "fixtures", "command_line/configuration.yaml",
+    )
+    with patch.object(hass_config, "YAML_CONFIG_FILE", yaml_path):
+        await hass.services.async_call(
+            "command_line", SERVICE_RELOAD, {}, blocking=True,
+        )
+        await hass.async_block_till_done()
+
+    assert len(hass.states.async_all()) == 1
+
+    assert hass.states.get("cover.test") is None
+    assert hass.states.get("cover.from_yaml")
+
+
+def _get_fixtures_base_path():
+    return path.dirname(path.dirname(path.dirname(__file__)))
diff --git a/tests/fixtures/command_line/configuration.yaml b/tests/fixtures/command_line/configuration.yaml
new file mode 100644
index 00000000000..f210b640338
--- /dev/null
+++ b/tests/fixtures/command_line/configuration.yaml
@@ -0,0 +1,6 @@
+cover:
+  - platform: command_line
+    covers:
+      from_yaml:
+        command_state: "echo closed"
+        value_template: "{{ value }}"