diff --git a/types/cssesc/cssesc-tests.ts b/types/cssesc/cssesc-tests.ts
new file mode 100644
index 0000000000..61475ed447
--- /dev/null
+++ b/types/cssesc/cssesc-tests.ts
@@ -0,0 +1,35 @@
+import cssesc = require("cssesc");
+
+// $ExpectType string
+cssesc('Ich ♥ Bücher');
+
+// $ExpectType string
+cssesc('123a2b', {
+    isIdentifier: true
+});
+
+// $ExpectType string
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+    quotes: 'single'
+});
+
+// $ExpectType string
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+    quotes: 'double'
+});
+
+// $ExpectType string
+cssesc('Lorem ipsum "dolor" sit \'amet\' etc.', {
+    quotes: 'single',
+    wrap: true
+});
+
+// $ExpectType string
+cssesc('lolwat"foo\'bar', {
+    escapeEverything: true
+});
+
+cssesc.options.escapeEverything = false;
+
+// $ExpectType string
+cssesc.version;
diff --git a/types/cssesc/index.d.ts b/types/cssesc/index.d.ts
new file mode 100644
index 0000000000..25a9e1f455
--- /dev/null
+++ b/types/cssesc/index.d.ts
@@ -0,0 +1,22 @@
+// Type definitions for cssesc 3.0
+// Project: https://mths.be/cssesc
+// Definitions by: Daniel Cassidy <https://github.com/djcsdy>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.1
+
+export = cssesc;
+
+declare function cssesc(string: string, options?: Readonly<Partial<cssesc.Options>>): string;
+
+declare namespace cssesc {
+    interface Options {
+        escapeEverything: boolean;
+        isIdentifier: boolean;
+        quotes: string;
+        wrap: boolean;
+    }
+
+    const options: Options;
+
+    const version: string;
+}
diff --git a/types/cssesc/tsconfig.json b/types/cssesc/tsconfig.json
new file mode 100644
index 0000000000..16acf5e56a
--- /dev/null
+++ b/types/cssesc/tsconfig.json
@@ -0,0 +1,23 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "cssesc-tests.ts"
+    ]
+}
diff --git a/types/cssesc/tslint.json b/types/cssesc/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/cssesc/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }