diff --git a/core/modules/layout_builder/layout_builder.module b/core/modules/layout_builder/layout_builder.module
index 0ba9a21f6b..1ab27fab41 100644
--- a/core/modules/layout_builder/layout_builder.module
+++ b/core/modules/layout_builder/layout_builder.module
@@ -9,6 +9,9 @@
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\FieldableEntityInterface;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Plugin\Context\Context;
+use Drupal\Core\Plugin\Context\ContextDefinition;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\field\Entity\FieldConfig;
 use Drupal\field\Entity\FieldStorageConfig;
 
@@ -166,9 +169,13 @@ function layout_builder_add_layout_section_field($entity_type_id, $bundle, $fiel
  */
 function layout_builder_entity_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
   if ($display->getThirdPartySetting('layout_builder', 'allow_custom', FALSE) && !$entity->layout_builder__layout->isEmpty()) {
+    $contexts = \Drupal::service('context.repository')->getAvailableContexts();
+    // @todo Use EntityContextDefinition after resolving
+    //   https://www.drupal.org/node/2932462.
+    $contexts['layout_builder.entity'] = new Context(new ContextDefinition("entity:{$entity->getEntityTypeId()}", new TranslatableMarkup('@entity being viewed', ['@entity' => $entity->getEntityType()->getLabel()])), $entity);
     $sections = $entity->layout_builder__layout->getSections();
     foreach ($sections as $delta => $section) {
-      $build['_layout_builder'][$delta] = $section->toRenderArray();
+      $build['_layout_builder'][$delta] = $section->toRenderArray($contexts);
     }
 
     // If field layout is active, that is all that needs to be removed.
diff --git a/core/modules/layout_builder/src/Context/LayoutBuilderContextTrait.php b/core/modules/layout_builder/src/Context/LayoutBuilderContextTrait.php
new file mode 100644
index 0000000000..3c16332def
--- /dev/null
+++ b/core/modules/layout_builder/src/Context/LayoutBuilderContextTrait.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\layout_builder\Context;
+
+use Drupal\Core\Plugin\Context\ContextInterface;
+use Drupal\layout_builder\SectionStorageInterface;
+
+/**
+ * Provides a wrapper around getting contexts from a section storage object.
+ */
+trait LayoutBuilderContextTrait {
+
+  /**
+   * The context repository.
+   *
+   * @var \Drupal\Core\Plugin\Context\ContextRepositoryInterface
+   */
+  protected $contextRepository;
+
+  /**
+   * Gets the context repository service.
+   *
+   * @return \Drupal\Core\Plugin\Context\ContextRepositoryInterface
+   *   The context repository service.
+   */
+  protected function contextRepository() {
+    if (!$this->contextRepository) {
+      $this->contextRepository = \Drupal::service('context.repository');
+    }
+    return $this->contextRepository;
+  }
+
+  /**
+   * Provides all available contexts, both global and section_storage-specific.
+   *
+   * @param \Drupal\layout_builder\SectionStorageInterface $section_storage
+   *   The section storage.
+   *
+   * @return \Drupal\Core\Plugin\Context\ContextInterface[]
+   *   The array of context objects.
+   */
+  protected function getAvailableContexts(SectionStorageInterface $section_storage) {
+    // Get all globally available contexts that have a defined value.
+    $contexts = array_filter($this->contextRepository()->getAvailableContexts(), function (ContextInterface $context) {
+      return $context->hasContextValue();
+    });
+
+    // Add in the per-section_storage contexts.
+    $contexts += $section_storage->getContexts();
+    return $contexts;
+  }
+
+}
diff --git a/core/modules/layout_builder/src/Controller/ChooseBlockController.php b/core/modules/layout_builder/src/Controller/ChooseBlockController.php
index f28ff5c70d..5287be25fc 100644
--- a/core/modules/layout_builder/src/Controller/ChooseBlockController.php
+++ b/core/modules/layout_builder/src/Controller/ChooseBlockController.php
@@ -5,6 +5,7 @@
 use Drupal\Core\Block\BlockManagerInterface;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Core\Url;
+use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
 use Drupal\layout_builder\SectionStorageInterface;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
@@ -16,6 +17,7 @@
 class ChooseBlockController implements ContainerInjectionInterface {
 
   use AjaxHelperTrait;
+  use LayoutBuilderContextTrait;
 
   /**
    * The block manager.
@@ -60,7 +62,8 @@ public function build(SectionStorageInterface $section_storage, $delta, $region)
     $build['#type'] = 'container';
     $build['#attributes']['class'][] = 'block-categories';
 
-    foreach ($this->blockManager->getGroupedDefinitions() as $category => $blocks) {
+    $definitions = $this->blockManager->getDefinitionsForContexts($this->getAvailableContexts($section_storage));
+    foreach ($this->blockManager->getGroupedDefinitions($definitions) as $category => $blocks) {
       $build[$category]['#type'] = 'details';
       $build[$category]['#open'] = TRUE;
       $build[$category]['#title'] = $category;
diff --git a/core/modules/layout_builder/src/Controller/LayoutBuilderController.php b/core/modules/layout_builder/src/Controller/LayoutBuilderController.php
index ff2d17d2ac..3f3b95e49b 100644
--- a/core/modules/layout_builder/src/Controller/LayoutBuilderController.php
+++ b/core/modules/layout_builder/src/Controller/LayoutBuilderController.php
@@ -6,6 +6,7 @@
 use Drupal\Core\Plugin\PluginFormInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\Core\Url;
+use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
 use Drupal\layout_builder\LayoutTempstoreRepositoryInterface;
 use Drupal\layout_builder\Section;
 use Drupal\layout_builder\SectionStorageInterface;
@@ -19,6 +20,7 @@
  */
 class LayoutBuilderController implements ContainerInjectionInterface {
 
+  use LayoutBuilderContextTrait;
   use StringTranslationTrait;
 
   /**
@@ -170,7 +172,7 @@ protected function buildAdministrativeSection(SectionStorageInterface $section_s
     $section = $section_storage->getSection($delta);
 
     $layout = $section->getLayout();
-    $build = $section->toRenderArray();
+    $build = $section->toRenderArray($this->getAvailableContexts($section_storage));
     $layout_definition = $layout->getPluginDefinition();
 
     foreach ($layout_definition->getRegions() as $region => $info) {
diff --git a/core/modules/layout_builder/src/Field/LayoutSectionItemList.php b/core/modules/layout_builder/src/Field/LayoutSectionItemList.php
index 71b22b78bc..5aabb02828 100644
--- a/core/modules/layout_builder/src/Field/LayoutSectionItemList.php
+++ b/core/modules/layout_builder/src/Field/LayoutSectionItemList.php
@@ -3,6 +3,9 @@
 namespace Drupal\layout_builder\Field;
 
 use Drupal\Core\Field\FieldItemList;
+use Drupal\Core\Plugin\Context\Context;
+use Drupal\Core\Plugin\Context\ContextDefinition;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\layout_builder\Section;
 use Drupal\layout_builder\SectionStorageInterface;
 
@@ -74,6 +77,17 @@ public function removeSection($delta) {
     return $this;
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function getContexts() {
+    $entity = $this->getEntity();
+    // @todo Use EntityContextDefinition after resolving
+    //   https://www.drupal.org/node/2932462.
+    $contexts['layout_builder.entity'] = new Context(new ContextDefinition("entity:{$entity->getEntityTypeId()}", new TranslatableMarkup('@entity being viewed', ['@entity' => $entity->getEntityType()->getLabel()])), $entity);
+    return $contexts;
+  }
+
   /**
    * {@inheritdoc}
    */
diff --git a/core/modules/layout_builder/src/Form/ConfigureBlockFormBase.php b/core/modules/layout_builder/src/Form/ConfigureBlockFormBase.php
index 222c5bd766..c16f41ade8 100644
--- a/core/modules/layout_builder/src/Form/ConfigureBlockFormBase.php
+++ b/core/modules/layout_builder/src/Form/ConfigureBlockFormBase.php
@@ -14,6 +14,7 @@
 use Drupal\Core\Plugin\ContextAwarePluginInterface;
 use Drupal\Core\Plugin\PluginFormFactoryInterface;
 use Drupal\Core\Plugin\PluginWithFormsInterface;
+use Drupal\layout_builder\Context\LayoutBuilderContextTrait;
 use Drupal\layout_builder\Controller\LayoutRebuildTrait;
 use Drupal\layout_builder\LayoutTempstoreRepositoryInterface;
 use Drupal\layout_builder\Section;
@@ -29,6 +30,7 @@
 
   use AjaxFormHelperTrait;
   use ContextAwarePluginAssignmentTrait;
+  use LayoutBuilderContextTrait;
   use LayoutRebuildTrait;
 
   /**
@@ -179,7 +181,7 @@ public function buildForm(array $form, FormStateInterface $form_state, SectionSt
     $this->region = $region;
     $this->block = $this->prepareBlock($plugin_id, $configuration);
 
-    $form_state->setTemporaryValue('gathered_contexts', $this->contextRepository->getAvailableContexts());
+    $form_state->setTemporaryValue('gathered_contexts', $this->getAvailableContexts($section_storage));
 
     // @todo Remove once https://www.drupal.org/node/2268787 is resolved.
     $form_state->set('block_theme', $this->config('system.theme')->get('default'));
diff --git a/core/modules/layout_builder/src/Section.php b/core/modules/layout_builder/src/Section.php
index 55204ddc9e..02f274e784 100644
--- a/core/modules/layout_builder/src/Section.php
+++ b/core/modules/layout_builder/src/Section.php
@@ -66,13 +66,16 @@ public function __construct($layout_id, array $layout_settings = [], array $comp
   /**
    * Returns the renderable array for this section.
    *
+   * @param \Drupal\Core\Plugin\Context\ContextInterface[] $contexts
+   *   An array of available contexts.
+   *
    * @return array
    *   A renderable array representing the content of the section.
    */
-  public function toRenderArray() {
+  public function toRenderArray(array $contexts = []) {
     $regions = [];
     foreach ($this->getComponents() as $component) {
-      if ($output = $component->toRenderArray()) {
+      if ($output = $component->toRenderArray($contexts)) {
         $regions[$component->getRegion()][$component->getUuid()] = $output;
       }
     }
diff --git a/core/modules/layout_builder/src/SectionComponent.php b/core/modules/layout_builder/src/SectionComponent.php
index caad0a2b61..6a0c238c70 100644
--- a/core/modules/layout_builder/src/SectionComponent.php
+++ b/core/modules/layout_builder/src/SectionComponent.php
@@ -88,13 +88,16 @@ public function __construct($uuid, $region, array $configuration = [], array $ad
   /**
    * Returns the renderable array for this component.
    *
+   * @param \Drupal\Core\Plugin\Context\ContextInterface[] $contexts
+   *   An array of available contexts.
+   *
    * @return array
    *   A renderable array representing the content of the component.
    */
-  public function toRenderArray() {
+  public function toRenderArray(array $contexts = []) {
     $output = [];
 
-    $plugin = $this->getPlugin();
+    $plugin = $this->getPlugin($contexts);
     // @todo Figure out the best way to unify fields and blocks and components
     //   in https://www.drupal.org/node/1875974.
     if ($plugin instanceof BlockPluginInterface) {
@@ -259,13 +262,15 @@ public function getUuid() {
   /**
    * Gets the plugin for this component.
    *
+   * @param \Drupal\Core\Plugin\Context\ContextInterface[] $contexts
+   *   An array of contexts to set on the plugin.
+   *
    * @return \Drupal\Component\Plugin\PluginInspectionInterface
    *   The plugin.
    */
-  public function getPlugin() {
+  public function getPlugin(array $contexts = []) {
     $plugin = $this->pluginManager()->createInstance($this->getPluginId(), $this->getConfiguration());
-    if ($plugin instanceof ContextAwarePluginInterface) {
-      $contexts = $this->contextRepository()->getRuntimeContexts(array_values($plugin->getContextMapping()));
+    if ($contexts && $plugin instanceof ContextAwarePluginInterface) {
       $this->contextHandler()->applyContextMapping($plugin, $contexts);
     }
     return $plugin;
@@ -281,16 +286,6 @@ protected function pluginManager() {
     return \Drupal::service('plugin.manager.block');
   }
 
-  /**
-   * Wraps the context repository.
-   *
-   * @return \Drupal\Core\Plugin\Context\ContextRepositoryInterface
-   *   The context repository.
-   */
-  protected function contextRepository() {
-    return \Drupal::service('context.repository');
-  }
-
   /**
    * Wraps the context handler.
    *
diff --git a/core/modules/layout_builder/src/SectionStorageInterface.php b/core/modules/layout_builder/src/SectionStorageInterface.php
index 56a4e9ecbd..13217d82b4 100644
--- a/core/modules/layout_builder/src/SectionStorageInterface.php
+++ b/core/modules/layout_builder/src/SectionStorageInterface.php
@@ -68,6 +68,14 @@ public function insertSection($delta, Section $section);
    */
   public function removeSection($delta);
 
+  /**
+   * Provides any available contexts for the object using the sections.
+   *
+   * @return \Drupal\Core\Plugin\Context\ContextInterface[]
+   *   The array of context objects.
+   */
+  public function getContexts();
+
   /**
    * Returns an identifier for this storage.
    *
diff --git a/core/modules/layout_builder/tests/src/Functional/LayoutSectionTest.php b/core/modules/layout_builder/tests/src/Functional/LayoutSectionTest.php
index 3f0bf9477e..b2b5f9c781 100644
--- a/core/modules/layout_builder/tests/src/Functional/LayoutSectionTest.php
+++ b/core/modules/layout_builder/tests/src/Functional/LayoutSectionTest.php
@@ -55,7 +55,7 @@ protected function setUp() {
    */
   public function providerTestLayoutSectionFormatter() {
     $data = [];
-    $data['block_with_context'] = [
+    $data['block_with_global_context'] = [
       [
         [
           'section' => new Section('layout_onecol', [], [
@@ -80,6 +80,31 @@ public function providerTestLayoutSectionFormatter() {
       'user:2',
       'UNCACHEABLE',
     ];
+    $data['block_with_entity_context'] = [
+      [
+        [
+          'section' => new Section('layout_onecol', [], [
+            'baz' => new SectionComponent('baz', 'content', [
+              'id' => 'field_block:node:body',
+              'context_mapping' => [
+                'entity' => 'layout_builder.entity',
+              ],
+            ]),
+          ]),
+        ],
+      ],
+      [
+        '.layout--onecol',
+        '.field--name-body',
+      ],
+      [
+        'Body',
+        'The node body',
+      ],
+      '',
+      '',
+      'MISS',
+    ];
     $data['single_section_single_block'] = [
       [
         [