diff --git a/build/gulpfile.hygiene.js b/build/gulpfile.hygiene.js
index edefbf721a4..2881697ecd8 100644
--- a/build/gulpfile.hygiene.js
+++ b/build/gulpfile.hygiene.js
@@ -13,6 +13,8 @@ const gulpeslint = require('gulp-eslint');
 const tsfmt = require('typescript-formatter');
 const tslint = require('tslint');
 const vfs = require('vinyl-fs');
+const path = require('path');
+const fs = require('fs');
 
 /**
  * Hygiene works by creating cascading subsets of all our files and
@@ -219,14 +221,55 @@ const hygiene = exports.hygiene = (some, options) => {
 		});
 	});
 
-	const program = tslint.Linter.createProgram('src/tsconfig.json');
+	let linterForProgram = {}; // maps tslint programs to its corresponding Linter
 	const configuration = tslint.Configuration.findConfiguration('tslint-hygiene.json', '.');
-	const tslintOptions = { fix: false, formatter: 'json' };
-	const linter = new tslint.Linter(tslintOptions, program);
+
+	function createLinter(tsconfig) {
+		const program = tslint.Linter.createProgram(tsconfig);
+		const tslintOptions = { fix: false, formatter: 'json' };
+		return new tslint.Linter(tslintOptions, program);
+	}
+
+	function findTsConfig(segments) {
+		let fsPath = segments.reduce((p, each) => path.join(p, each));
+		let tsconfig = path.join(fsPath, 'tsconfig.json');
+		if (fs.existsSync(tsconfig)) {
+			return tsconfig;
+		} else if (segments.length > 1) {
+			segments.splice(-1, 1);
+			return findTsConfig(segments);
+		} else {
+			return undefined;
+		}
+	}
+
+	function getLinter(file) {
+		let segments = file.relative.split(path.sep);
+
+		// hard code the location of the tsconfig.json for the source folder to eliminate the lookup for the tsconfig.json
+		if (segments[0] === 'src') {
+			if (!linterForProgram['src']) {
+				linterForProgram['src'] = createLinter('src/tsconfig.json');
+			}
+			return linterForProgram['src'];
+		}
+		else {
+			segments.splice(-1, 1);
+			let tsconfig = findTsConfig(segments);
+			if (!tsconfig) {
+				return undefined;
+			}
+			if (!linterForProgram[tsconfig]) {
+				linterForProgram[tsconfig] = createLinter(tsconfig);
+			}
+			return linterForProgram[tsconfig];
+		}
+	}
 
 	const tsl = es.through(function (file) {
 		const contents = file.contents.toString('utf8');
-		if (file.relative.startsWith('src/')) {  // only lint files in src program
+		let linter = getLinter(file);
+		if (linter) {
 			linter.lint(file.relative, contents, configuration.results);
 		}
 		this.emit('data', file);
@@ -263,18 +306,19 @@ const hygiene = exports.hygiene = (some, options) => {
 		}, function () {
 			process.stdout.write('\n');
 
-			const tslintResult = linter.getResult();
-			if (tslintResult.failures.length > 0) {
-				for (const failure of tslintResult.failures) {
-					const name = failure.getFailure() || failure.getFileName;
-					const position = failure.getStartPosition();
-					const line = position.getLineAndCharacter().line;
-					const character = position.getLineAndCharacter().character;
+			for (let linter in linterForProgram) {
+				const tslintResult = linterForProgram[linter].getResult();
+				if (tslintResult.failures.length > 0) {
+					for (const failure of tslintResult.failures) {
+						const name = failure.getFileName();
+						const position = failure.getStartPosition();
+						const line = position.getLineAndCharacter().line;
+						const character = position.getLineAndCharacter().character;
 
-					console.error(`${name}:${line + 1}:${character + 1}:${failure.getFailure()}`);
+						console.error(`${name}:${line + 1}:${character + 1}:${failure.getFailure()}`);
+					}
+					errorCount += tslintResult.failures.length;
 				}
-
-				errorCount += tslintResult.failures.length;
 			}
 
 			if (errorCount > 0) {