Where is my Birch mattress manufactured? July 01, 2025 14:40 Updated All of our mattresses are designed and assembled at our facility in Arizona using domestic and foreign components. Related articles Can I try Birch in a store? What materials are used in a Birch mattress? How long can I keep my Birch Mattress in the box? I'm allergic to latex. Is that a problem? Do Birch Mattress require a foundation?