diff --git a/lib/selectors/calendar-filter-selectors.js b/lib/selectors/calendar-filter-selectors.js
--- a/lib/selectors/calendar-filter-selectors.js
+++ b/lib/selectors/calendar-filter-selectors.js
@@ -33,6 +33,30 @@
   filteredThreadIDs,
 );
 
+function filteredCommunityThreadIDs(
+  calendarFilters: $ReadOnlyArray<CalendarFilter>,
+): ?Set<string> {
+  let threadIDs = [];
+  let threadListFilterExists = false;
+  for (const filter of calendarFilters) {
+    if (filter.type === calendarThreadFilterTypes.COMMUNITY) {
+      threadListFilterExists = true;
+      threadIDs = [...threadIDs, ...filter.threadIDs];
+    }
+  }
+  if (!threadListFilterExists) {
+    return null;
+  }
+  return new Set(threadIDs);
+}
+
+const filteredCommunityThreadIDsSelector: (
+  state: BaseAppState<*>,
+) => ?$ReadOnlySet<string> = createSelector(
+  (state: BaseAppState<*>) => state.calendarFilters,
+  filteredCommunityThreadIDs,
+);
+
 function filterFilters(
   calendarFilters: $ReadOnlyArray<CalendarFilter>,
   filterTypeToExclude: CalendarThreadFilterType,
@@ -108,6 +132,8 @@
 export {
   filteredThreadIDs,
   filteredThreadIDsSelector,
+  filteredCommunityThreadIDs,
+  filteredCommunityThreadIDsSelector,
   nonThreadCalendarFilters,
   nonThreadCalendarFiltersSelector,
   nonExcludeDeletedCalendarFilters,
diff --git a/lib/selectors/thread-selectors.js b/lib/selectors/thread-selectors.js
--- a/lib/selectors/thread-selectors.js
+++ b/lib/selectors/thread-selectors.js
@@ -41,6 +41,7 @@
 import { dateString, dateFromString } from '../utils/date-utils';
 import { values } from '../utils/objects';
 import {
+  filteredCommunityThreadIDsSelector,
   filteredThreadIDsSelector,
   includeDeletedSelector,
 } from './calendar-filter-selectors';
@@ -96,16 +97,22 @@
   state: BaseAppState<*>,
 ) => $ReadOnlyArray<ThreadInfo> = createSelector(
   filteredThreadIDsSelector,
+  filteredCommunityThreadIDsSelector,
   canBeOnScreenThreadInfos,
   (
     inputThreadIDs: ?$ReadOnlySet<string>,
+    inputCommunityThreadIDs: ?$ReadOnlySet<string>,
     threadInfos: $ReadOnlyArray<ThreadInfo>,
   ) => {
-    const threadIDs = inputThreadIDs;
-    if (!threadIDs) {
+    if (!inputThreadIDs && !inputCommunityThreadIDs) {
       return threadInfos;
     }
-    return threadInfos.filter(threadInfo => threadIDs.has(threadInfo.id));
+    return threadInfos.filter(
+      threadInfo =>
+        (!inputThreadIDs || inputThreadIDs.has(threadInfo.id)) &&
+        (!inputCommunityThreadIDs ||
+          inputCommunityThreadIDs.has(threadInfo.id)),
+    );
   },
 );