diff --git a/homeassistant/components/modbus/__init__.py b/homeassistant/components/modbus/__init__.py
index 98b1b17090553..acb31a7a7303a 100644
--- a/homeassistant/components/modbus/__init__.py
+++ b/homeassistant/components/modbus/__init__.py
@@ -78,6 +78,7 @@
     CONF_TARGET_TEMP,
     CONF_UNIT,
     CONF_VERIFY_REGISTER,
+    CONF_VERIFY_STATE,
     DATA_TYPE_CUSTOM,
     DATA_TYPE_FLOAT,
     DATA_TYPE_INT,
@@ -178,6 +179,7 @@ def number(value: Any) -> Union[int, float]:
         vol.Optional(CONF_STATE_OFF): cv.positive_int,
         vol.Optional(CONF_STATE_ON): cv.positive_int,
         vol.Optional(CONF_VERIFY_REGISTER): cv.positive_int,
+        vol.Optional(CONF_VERIFY_STATE, default=True): cv.boolean,
     }
 )
 
diff --git a/tests/components/modbus/test_modbus_switch.py b/tests/components/modbus/test_modbus_switch.py
index 8af8f3067e12b..191a0e2c97b54 100644
--- a/tests/components/modbus/test_modbus_switch.py
+++ b/tests/components/modbus/test_modbus_switch.py
@@ -61,6 +61,7 @@
                 CONF_STATE_OFF: 0,
                 CONF_STATE_ON: 1,
                 CONF_VERIFY_REGISTER: 1235,
+                CONF_VERIFY_STATE: False,
                 CONF_COMMAND_OFF: 0x00,
                 CONF_COMMAND_ON: 0x01,
                 CONF_DEVICE_CLASS: "switch",
@@ -75,6 +76,7 @@
                 CONF_STATE_OFF: 0,
                 CONF_STATE_ON: 1,
                 CONF_VERIFY_REGISTER: 1235,
+                CONF_VERIFY_STATE: True,
                 CONF_COMMAND_OFF: 0x00,
                 CONF_COMMAND_ON: 0x01,
                 CONF_DEVICE_CLASS: "switch",