diff --git a/esphome/components/time_based/cover.py b/esphome/components/time_based/cover.py
index 6a7c9b6835..dcb8d9505b 100644
--- a/esphome/components/time_based/cover.py
+++ b/esphome/components/time_based/cover.py
@@ -3,7 +3,7 @@ import esphome.config_validation as cv
 from esphome import automation
 from esphome.components import cover
 from esphome.const import CONF_CLOSE_ACTION, CONF_CLOSE_DURATION, CONF_ID, CONF_OPEN_ACTION, \
-    CONF_OPEN_DURATION, CONF_STOP_ACTION
+    CONF_OPEN_DURATION, CONF_STOP_ACTION, CONF_ASSUMED_STATE
 
 time_based_ns = cg.esphome_ns.namespace('time_based')
 TimeBasedCover = time_based_ns.class_('TimeBasedCover', cover.Cover, cg.Component)
@@ -21,6 +21,7 @@ CONFIG_SCHEMA = cover.COVER_SCHEMA.extend({
     cv.Required(CONF_CLOSE_DURATION): cv.positive_time_period_milliseconds,
 
     cv.Optional(CONF_HAS_BUILT_IN_ENDSTOP, default=False): cv.boolean,
+    cv.Optional(CONF_ASSUMED_STATE, default=True): cv.boolean,
 }).extend(cv.COMPONENT_SCHEMA)
 
 
@@ -38,3 +39,4 @@ def to_code(config):
     yield automation.build_automation(var.get_close_trigger(), [], config[CONF_CLOSE_ACTION])
 
     cg.add(var.set_has_built_in_endstop(config[CONF_HAS_BUILT_IN_ENDSTOP]))
+    cg.add(var.set_assumed_state(config[CONF_ASSUMED_STATE]))
diff --git a/esphome/components/time_based/time_based_cover.cpp b/esphome/components/time_based/time_based_cover.cpp
index bdb4e5379c..6d1de144f5 100644
--- a/esphome/components/time_based/time_based_cover.cpp
+++ b/esphome/components/time_based/time_based_cover.cpp
@@ -51,7 +51,7 @@ float TimeBasedCover::get_setup_priority() const { return setup_priority::DATA;
 CoverTraits TimeBasedCover::get_traits() {
   auto traits = CoverTraits();
   traits.set_supports_position(true);
-  traits.set_is_assumed_state(true);
+  traits.set_is_assumed_state(this->assumed_state_);
   return traits;
 }
 void TimeBasedCover::control(const CoverCall &call) {
diff --git a/esphome/components/time_based/time_based_cover.h b/esphome/components/time_based/time_based_cover.h
index be3a55c546..6c48c26ed1 100644
--- a/esphome/components/time_based/time_based_cover.h
+++ b/esphome/components/time_based/time_based_cover.h
@@ -21,6 +21,7 @@ class TimeBasedCover : public cover::Cover, public Component {
   void set_close_duration(uint32_t close_duration) { this->close_duration_ = close_duration; }
   cover::CoverTraits get_traits() override;
   void set_has_built_in_endstop(bool value) { this->has_built_in_endstop_ = value; }
+  void set_assumed_state(bool value) { this->assumed_state_ = value; }
 
  protected:
   void control(const cover::CoverCall &call) override;
@@ -43,6 +44,7 @@ class TimeBasedCover : public cover::Cover, public Component {
   uint32_t last_publish_time_{0};
   float target_position_{0};
   bool has_built_in_endstop_{false};
+  bool assumed_state_{false};
 };
 
 }  // namespace time_based