diff --git a/dev-infra/cli.ts b/dev-infra/cli.ts
index a220486865..5901dd9fe1 100644
--- a/dev-infra/cli.ts
+++ b/dev-infra/cli.ts
@@ -13,8 +13,10 @@ import {buildCommitMessageParser} from './commit-message/cli';
 import {buildFormatParser} from './format/cli';
 import {buildReleaseParser} from './release/cli';
 import {buildPrParser} from './pr/cli';
+import {captureLogOutputForCommand} from './utils/console';
 
 yargs.scriptName('ng-dev')
+    .middleware(captureLogOutputForCommand)
     .demandCommand()
     .recommendCommands()
     .command('commit-message <command>', '', buildCommitMessageParser)
diff --git a/dev-infra/utils/BUILD.bazel b/dev-infra/utils/BUILD.bazel
index 3881ac19b0..8bbddafe10 100644
--- a/dev-infra/utils/BUILD.bazel
+++ b/dev-infra/utils/BUILD.bazel
@@ -12,14 +12,18 @@ ts_library(
         "@npm//@octokit/graphql",
         "@npm//@octokit/rest",
         "@npm//@octokit/types",
+        "@npm//@types/fs-extra",
         "@npm//@types/inquirer",
         "@npm//@types/node",
         "@npm//@types/shelljs",
+        "@npm//@types/yargs",
         "@npm//chalk",
+        "@npm//fs-extra",
         "@npm//inquirer",
         "@npm//inquirer-autocomplete-prompt",
         "@npm//shelljs",
         "@npm//tslib",
         "@npm//typed-graphqlify",
+        "@npm//yargs",
     ],
 )
diff --git a/dev-infra/utils/console.ts b/dev-infra/utils/console.ts
index 625cf9189a..d8676c48c4 100644
--- a/dev-infra/utils/console.ts
+++ b/dev-infra/utils/console.ts
@@ -7,9 +7,13 @@
  */
 
 import chalk from 'chalk';
+import {writeFileSync} from 'fs-extra';
 import {createPromptModule, ListChoiceOptions, prompt} from 'inquirer';
 import * as inquirerAutocomplete from 'inquirer-autocomplete-prompt';
+import {join} from 'path';
+import {Arguments} from 'yargs';
 
+import {getRepoBaseDir} from './config';
 
 /** Reexport of chalk colors for convenient access. */
 export const red: typeof chalk = chalk.red;
@@ -140,6 +144,7 @@ function runConsoleCommand(loadCommand: () => Function, logLevel: LOG_LEVELS, ..
   if (getLogLevel() >= logLevel) {
     loadCommand()(...text);
   }
+  printToLogFile(logLevel, ...text);
 }
 
 /**
@@ -155,3 +160,56 @@ function getLogLevel() {
   }
   return logLevel;
 }
+
+/** All text to write to the log file. */
+let LOGGED_TEXT = '';
+/** Whether file logging as been enabled. */
+let FILE_LOGGING_ENABLED = false;
+/**
+ * The number of columns used in the prepended log level information on each line of the logging
+ * output file.
+ */
+const LOG_LEVEL_COLUMNS = 7;
+
+/**
+ * Enable writing the logged outputs to the log file on process exit, sets initial lines from the
+ * command execution, containing information about the timing and command parameters.
+ *
+ * This is expected to be called only once during a command run, and should be called by the
+ * middleware of yargs to enable the file logging before the rest of the command parsing and
+ * response is executed.
+ */
+export function captureLogOutputForCommand(argv: Arguments) {
+  if (FILE_LOGGING_ENABLED) {
+    throw Error('`captureLogOutputForCommand` cannot be called multiple times');
+  }
+  /** The date time used for timestamping when the command was invoked. */
+  const now = new Date();
+  /** Header line to separate command runs in log files. */
+  const headerLine = Array(100).fill('#').join('');
+  LOGGED_TEXT += `${headerLine}\nCommand: ${argv.$0} ${argv._.join(' ')}\nRan at: ${now}\n`;
+
+  // On process exit, write the logged output to the appropriate log files
+  process.on('exit', (code: number) => {
+    LOGGED_TEXT += `Command ran in ${new Date().getTime() - now.getTime()}ms`;
+    /** Path to the log file location. */
+    const logFilePath = join(getRepoBaseDir(), '.ng-dev.log');
+
+    writeFileSync(logFilePath, LOGGED_TEXT);
+
+    // For failure codes greater than 1, the new logged lines should be written to a specific log
+    // file for the command run failure.
+    if (code > 1) {
+      writeFileSync(join(getRepoBaseDir(), `.ng-dev.err-${now.getTime()}.log`), LOGGED_TEXT);
+    }
+  });
+
+  // Mark file logging as enabled to prevent the function from executing multiple times.
+  FILE_LOGGING_ENABLED = true;
+}
+
+/** Write the provided text to the log file, prepending each line with the log level.  */
+function printToLogFile(logLevel: LOG_LEVELS, ...text: string[]) {
+  const logLevelText = `${LOG_LEVELS[logLevel]}:`.padEnd(LOG_LEVEL_COLUMNS);
+  LOGGED_TEXT += text.join(' ').split('\n').map(l => `${logLevelText} ${l}\n`).join('');
+}