diff --git a/core/modules/block_content/block_content.install b/core/modules/block_content/block_content.install
index dd4521690f..72b3724db1 100644
--- a/core/modules/block_content/block_content.install
+++ b/core/modules/block_content/block_content.install
@@ -152,3 +152,34 @@ function block_content_update_8600() {
   \Drupal::entityDefinitionUpdateManager()
     ->installFieldStorageDefinition('reusable', 'block_content', 'block_content', $reusable);
 }
+
+/**
+ * Update 'block_content' view to filter on new 'reusable' field.
+ */
+function block_content_update_8601() {
+  $config_factory = \Drupal::configFactory();
+  $view = $config_factory->getEditable('views.view.block_content');
+  $base_table = 'block_content_field_data';
+  // Make sure the view's 'base_table' is correct. The default view could have
+  // been deleted and the view ID used for a different   view.
+  if ($view->get('base_table') !== $base_table) {
+    return;
+  }
+  foreach ($view->get('display') as $display_name => $display) {
+    // Update the default display and displays that have overridden filters.
+    if (!isset($display['display_options']['filters']['reusable']) &&
+      ($display_name === 'default' || isset($display['display_options']['filters']))) {
+      // Save off the base part of the config path we are updating.
+      $base = "display.$display_name.display_options.filters.reusable";
+      $view->set("$base.id", 'reusable');
+      $view->set("$base.plugin_id", 'boolean');
+      $view->set("$base.table", $base_table);
+      $view->set("$base.field", "reusable");
+      $view->set("$base.value", "1");
+      $view->set("$base.entity_type", "block_content");
+      $view->set("$base.entity_field", "reusable");
+    }
+  }
+  $view->save();
+}
+
diff --git a/core/modules/block_content/block_content.routing.yml b/core/modules/block_content/block_content.routing.yml
index 35724a68b8..29e0dad377 100644
--- a/core/modules/block_content/block_content.routing.yml
+++ b/core/modules/block_content/block_content.routing.yml
@@ -27,6 +27,7 @@ entity.block_content.canonical:
   requirements:
     _entity_access: 'block_content.update'
     block_content: \d+
+    _is_reusable_block_content: 'true'
 
 entity.block_content.edit_form:
   path: '/block/{block_content}'
@@ -37,6 +38,7 @@ entity.block_content.edit_form:
   requirements:
     _entity_access: 'block_content.update'
     block_content: \d+
+    _is_reusable_block_content: 'true'
 
 entity.block_content.delete_form:
   path: '/block/{block_content}/delete'
@@ -48,6 +50,7 @@ entity.block_content.delete_form:
   requirements:
     _entity_access: 'block_content.delete'
     block_content: \d+
+    _is_reusable_block_content: 'true'
 
 block_content.type_add:
   path: '/admin/structure/block/block-content/types/add'
diff --git a/core/modules/block_content/block_content.services.yml b/core/modules/block_content/block_content.services.yml
index 9c6dceb82e..25c4f2edc3 100644
--- a/core/modules/block_content/block_content.services.yml
+++ b/core/modules/block_content/block_content.services.yml
@@ -4,3 +4,7 @@ services:
     arguments: ['@cache.bootstrap', '@lock', '@entity_type.manager']
     tags:
       - { name: needs_destruction }
+  access_check.entity.block_content:
+    class: Drupal\block_content\Access\ReusableAccessCheck
+    tags:
+      - { name: access_check, applies_to: _is_reusable_block_content }
diff --git a/core/modules/block_content/config/optional/views.view.block_content.yml b/core/modules/block_content/config/optional/views.view.block_content.yml
index 1be5a0417c..2c008864f3 100644
--- a/core/modules/block_content/config/optional/views.view.block_content.yml
+++ b/core/modules/block_content/config/optional/views.view.block_content.yml
@@ -431,6 +431,44 @@ display:
           entity_type: block_content
           entity_field: type
           plugin_id: bundle
+        reusable:
+          id: reusable
+          table: block_content_field_data
+          field: reusable
+          relationship: none
+          group_type: group
+          admin_label: ''
+          operator: '='
+          value: '1'
+          group: 1
+          exposed: false
+          expose:
+            operator_id: ''
+            label: ''
+            description: ''
+            use_operator: false
+            operator: ''
+            identifier: ''
+            required: false
+            remember: false
+            multiple: false
+            remember_roles:
+              authenticated: authenticated
+          is_grouped: false
+          group_info:
+            label: ''
+            description: ''
+            identifier: ''
+            optional: true
+            widget: select
+            multiple: false
+            remember: false
+            default_group: All
+            default_group_multiple: {  }
+            group_items: {  }
+          entity_type: block_content
+          entity_field: reusable
+          plugin_id: boolean
       sorts: {  }
       title: 'Custom block library'
       header: {  }
diff --git a/core/modules/block_content/src/Access/ReusableAccessCheck.php b/core/modules/block_content/src/Access/ReusableAccessCheck.php
new file mode 100644
index 0000000000..3558023786
--- /dev/null
+++ b/core/modules/block_content/src/Access/ReusableAccessCheck.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Drupal\block_content\Access;
+
+use Drupal\block_content\BlockContentInterface;
+use Drupal\Core\Access\AccessResult;
+use Drupal\Core\Routing\Access\AccessInterface;
+
+/**
+ * Route access check for 'block_content' entities based on 'reusable' field.
+ */
+class ReusableAccessCheck implements AccessInterface {
+
+  /**
+   * Checks routing access to a block.
+   *
+   * @param \Drupal\block_content\BlockContentInterface $block_content
+   *   The block content entity.
+   *
+   * @return \Drupal\Core\Access\AccessResultInterface
+   *   The access result.
+   */
+  public function access(BlockContentInterface $block_content) {
+    $access = AccessResult::allowedIf($block_content->isReusable());
+    return $access->addCacheableDependency($block_content);
+  }
+
+}
diff --git a/core/modules/layout_builder/layout_builder.install b/core/modules/layout_builder/layout_builder.install
index 0e55ccbedd..6d7f19245b 100644
--- a/core/modules/layout_builder/layout_builder.install
+++ b/core/modules/layout_builder/layout_builder.install
@@ -6,6 +6,8 @@
  */
 
 use Drupal\Core\Cache\Cache;
+use Drupal\Core\Database\Database;
+use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\layout_builder\Entity\LayoutBuilderEntityViewDisplay;
 use Drupal\layout_builder\Section;
 
@@ -59,14 +61,59 @@ function layout_builder_schema() {
         'not null' => TRUE,
         'default' => '',
       ],
-/*      'module' => [
-        'description' => 'The name of the module that is using the entity.',
+      // @todo will the parent always be an entity.
+      'parent_type' => [
+        'description' => 'The name of the object type in which the entity is used.',
         'type' => 'varchar_ascii',
-        'length' => DRUPAL_EXTENSION_NAME_MAX_LENGTH,
+        'length' => 64,
         'not null' => TRUE,
         'default' => '',
-      ],*/
-      // @todo will the user always be an entity. File usage uses object
+      ],
+      'parent_id' => [
+        'description' => 'The primary key of the entity using the entity.',
+        'type' => 'varchar_ascii',
+        'length' => EntityTypeInterface::ID_MAX_LENGTH,
+        'not null' => TRUE,
+        'default' => 0,
+      ],
+      'count' => [
+        'description' => 'The number of times this entity is used by this parent.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+        'default' => 0,
+      ],
+    ],
+    'primary key' => ['entity_id', 'entity_type', 'parent_id'],
+    'indexes' => [
+      'type_id' => ['parent_type', 'parent_id'],
+      'entity_id_count' => ['entity_id', 'count'],
+    ],
+  ];
+  return $schema;
+}
+
+/**
+ * Create the 'entity_usage' table.
+ */
+function layout_builder_update_8001() {
+  $entity_usage_schema = [
+    'description' => 'Track where a entity is used.',
+    'fields' => [
+      'entity_id' => [
+        'description' => 'Entity ID.',
+        'type' => 'int',
+        'unsigned' => TRUE,
+        'not null' => TRUE,
+      ],
+      'entity_type' => [
+        'description' => 'The name of the object type in which the file is used.',
+        'type' => 'varchar_ascii',
+        'length' => 64,
+        'not null' => TRUE,
+        'default' => '',
+      ],
+      // @todo will the parent always be an entity.
       'parent_type' => [
         'description' => 'The name of the object type in which the entity is used.',
         'type' => 'varchar_ascii',
@@ -75,9 +122,9 @@ function layout_builder_schema() {
         'default' => '',
       ],
       'parent_id' => [
-        'description' => 'The primary key of the entity using the file.',
+        'description' => 'The primary key of the entity using the entity.',
         'type' => 'varchar_ascii',
-        'length' => 64,
+        'length' => EntityTypeInterface::ID_MAX_LENGTH,
         'not null' => TRUE,
         'default' => 0,
       ],
@@ -93,9 +140,8 @@ function layout_builder_schema() {
     'indexes' => [
       'type_id' => ['parent_type', 'parent_id'],
       'entity_id_count' => ['entity_id', 'count'],
-      /*'entity_ids_module' => ['entity_id', 'module'],*/
     ],
   ];
-  return $schema;
+  Database::getConnection()->schema()->createTable('entity_usage', $entity_usage_schema);
 }