The 900-square-foot brick and mortar restaurant on East Burnside Street, in the northeast Portland part of the Kerns neighborhood, has a seating capacity of approximately 28 people.

[6][7] Chef and owner Melissa "Mel"[8] McMillan opened the brick and mortar restaurant Sammich PDX on December 1, 2017, having previously launched Pastrami Zombie from a food truck in Portland starting in June 2016.

[2] In 2023, Sammich began operating at The Heist, a food cart pod in southeast Portland's Woodstock neighborhood.

The Seattle location operated from a food truck at Project 9 Brewing starting in April 2023,[6] before closing in August 2024.

[13] Alex Frane and Janey Wong included Sammich in Eater Portland's 2024 list of the nineteen best sandwich shops in the city.