diff --git a/src/Command/CommandBase.php b/src/Command/CommandBase.php
index f8bf9ea7d..f2b7fa403 100644
--- a/src/Command/CommandBase.php
+++ b/src/Command/CommandBase.php
@@ -30,7 +30,9 @@
 use Symfony\Component\Validator\Constraints\Uuid;
 use Symfony\Component\Validator\Exception\ValidatorException;
 use Symfony\Component\Validator\Validation;
+use Symfony\Component\Yaml\Yaml;
 use Webmozart\KeyValueStore\JsonFileStore;
+use Webmozart\PathUtil\Path;
 use Zumba\Amplitude\Amplitude;
 
 /**
@@ -596,6 +598,16 @@ protected function doDetermineCloudApplication() {
       return $application_uuid;
     }
 
+    // Try blt.yml.
+    $blt_yaml_file_path = Path::join($this->repoRoot, 'blt', 'blt.yml');
+    if (file_exists($blt_yaml_file_path)) {
+      $contents = Yaml::parseFile($blt_yaml_file_path);
+      if (array_key_exists('cloud', $contents) && array_key_exists('appId', $contents['cloud'])) {
+        $this->logger->debug('Using Cloud application UUID ' . $contents['cloud']['appId'] . ' from blt/blt.yml');
+        return $contents['cloud']['appId'];
+      }
+    }
+
     // If an IDE, get from env var.
     if (self::isAcquiaCloudIde() && $application_uuid = self::getThisCloudIdeCloudAppUuid()) {
       return $application_uuid;
@@ -603,7 +615,6 @@ protected function doDetermineCloudApplication() {
 
     // Try to guess based on local git url config.
     if ($cloud_application = $this->inferCloudAppFromLocalGitConfig($acquia_cloud_client)) {
-
       return $cloud_application->uuid;
     }
 
diff --git a/tests/phpunit/src/Commands/Api/ApiCommandTest.php b/tests/phpunit/src/Commands/Api/ApiCommandTest.php
index 2e1dd1e85..34d0ab512 100644
--- a/tests/phpunit/src/Commands/Api/ApiCommandTest.php
+++ b/tests/phpunit/src/Commands/Api/ApiCommandTest.php
@@ -6,6 +6,8 @@
 use Acquia\Cli\Command\Api\ApiCommandHelper;
 use Acquia\Cli\Tests\CommandTestBase;
 use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Yaml\Yaml;
+use Webmozart\PathUtil\Path;
 
 /**
  * Class ApiCommandTest.
@@ -162,6 +164,18 @@ public function testApiCommandDefinitionRequestBody($command_name, $method, $usa
     $this->assertStringContainsString($usage, $this->command->getUsages()[0]);
   }
 
+  public function testGetApplicationUuidFromBltYml(): void {
+    $mock_body = $this->getMockResponseFromSpec('/applications/{applicationUuid}', 'get', '200');
+    $this->clientProphecy->request('get', '/applications/' . $mock_body->uuid)->willReturn($mock_body)->shouldBeCalled();
+    $this->command = $this->getApiCommandByName('api:applications:find');
+    $blt_config_file_path = Path::join($this->projectFixtureDir, 'blt', 'blt.yml');
+    $this->fs->dumpFile($blt_config_file_path, Yaml::dump(['cloud' => ['appId' => $mock_body->uuid]]));
+    $this->executeCommand();
+    $this->prophet->checkPredictions();
+    $output = $this->getDisplay();
+    $this->fs->remove($blt_config_file_path);
+  }
+
   /**
    * @param $name
    *