diff --git a/esphome/components/sensor/__init__.py b/esphome/components/sensor/__init__.py
index d01a594889..4edf8d45d0 100644
--- a/esphome/components/sensor/__init__.py
+++ b/esphome/components/sensor/__init__.py
@@ -31,12 +31,15 @@ from esphome.const import (
     CONF_FORCE_UPDATE,
     DEVICE_CLASS_DURATION,
     DEVICE_CLASS_EMPTY,
+    DEVICE_CLASS_APPARENT_POWER,
     DEVICE_CLASS_AQI,
     DEVICE_CLASS_BATTERY,
     DEVICE_CLASS_CARBON_DIOXIDE,
     DEVICE_CLASS_CARBON_MONOXIDE,
     DEVICE_CLASS_CURRENT,
+    DEVICE_CLASS_DATE,
     DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_FREQUENCY,
     DEVICE_CLASS_GAS,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_ILLUMINANCE,
@@ -51,6 +54,7 @@ from esphome.const import (
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
     DEVICE_CLASS_PRESSURE,
+    DEVICE_CLASS_REACTIVE_POWER,
     DEVICE_CLASS_SIGNAL_STRENGTH,
     DEVICE_CLASS_SULPHUR_DIOXIDE,
     DEVICE_CLASS_TEMPERATURE,
@@ -66,13 +70,16 @@ from esphome.util import Registry
 CODEOWNERS = ["@esphome/core"]
 DEVICE_CLASSES = [
     DEVICE_CLASS_EMPTY,
+    DEVICE_CLASS_APPARENT_POWER,
     DEVICE_CLASS_AQI,
     DEVICE_CLASS_BATTERY,
     DEVICE_CLASS_CARBON_DIOXIDE,
     DEVICE_CLASS_CARBON_MONOXIDE,
     DEVICE_CLASS_CURRENT,
+    DEVICE_CLASS_DATE,
     DEVICE_CLASS_DURATION,
     DEVICE_CLASS_ENERGY,
+    DEVICE_CLASS_FREQUENCY,
     DEVICE_CLASS_GAS,
     DEVICE_CLASS_HUMIDITY,
     DEVICE_CLASS_ILLUMINANCE,
@@ -87,6 +94,7 @@ DEVICE_CLASSES = [
     DEVICE_CLASS_POWER,
     DEVICE_CLASS_POWER_FACTOR,
     DEVICE_CLASS_PRESSURE,
+    DEVICE_CLASS_REACTIVE_POWER,
     DEVICE_CLASS_SIGNAL_STRENGTH,
     DEVICE_CLASS_SULPHUR_DIOXIDE,
     DEVICE_CLASS_TEMPERATURE,
diff --git a/esphome/const.py b/esphome/const.py
index bdf8257024..f711d6fbf0 100644
--- a/esphome/const.py
+++ b/esphome/const.py
@@ -905,12 +905,15 @@ DEVICE_CLASS_BATTERY = "battery"
 DEVICE_CLASS_GAS = "gas"
 DEVICE_CLASS_POWER = "power"
 # device classes of sensor component
+DEVICE_CLASS_APPARENT_POWER = "apparent_power"
 DEVICE_CLASS_AQI = "aqi"
 DEVICE_CLASS_CARBON_DIOXIDE = "carbon_dioxide"
 DEVICE_CLASS_CARBON_MONOXIDE = "carbon_monoxide"
 DEVICE_CLASS_CURRENT = "current"
+DEVICE_CLASS_DATE = "date"
 DEVICE_CLASS_DURATION = "duration"
 DEVICE_CLASS_ENERGY = "energy"
+DEVICE_CLASS_FREQUENCY = "frequency"
 DEVICE_CLASS_HUMIDITY = "humidity"
 DEVICE_CLASS_ILLUMINANCE = "illuminance"
 DEVICE_CLASS_MONETARY = "monetary"
@@ -923,6 +926,7 @@ DEVICE_CLASS_PM10 = "pm10"
 DEVICE_CLASS_PM25 = "pm25"
 DEVICE_CLASS_POWER_FACTOR = "power_factor"
 DEVICE_CLASS_PRESSURE = "pressure"
+DEVICE_CLASS_REACTIVE_POWER = "reactive_power"
 DEVICE_CLASS_SIGNAL_STRENGTH = "signal_strength"
 DEVICE_CLASS_SULPHUR_DIOXIDE = "sulphur_dioxide"
 DEVICE_CLASS_TEMPERATURE = "temperature"