when was in n out founded

In‑N‑Out Burger was founded on October 22, 1948 , in Baldwin Park, California.

Exact founding details

• Date : October 22, 1948.

• Location : A small 100‑square‑foot stand at the corner of Francisquito and Garvey in Baldwin Park, a Los Angeles suburb.

• Founders : Harry Snyder and Esther Snyder, who started the chain as a drive‑thru hamburger stand using a two‑way speaker system—California’s first drive‑thru burger operation.

Quick context table

Detail| Value
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Founded date| October 22, 1948 57
Founded in| Baldwin Park, California 15
Founders| Harry Snyder and Esther Snyder 57
First concept| California’s first drive‑thru hamburger stand 35

Information gathered from public forums or data available on the internet and portrayed here.