Stones lying around the workshop at Fontana Monuments in Colma on April 5, 2022. (Morgan Ellis / Xpress Magazine)

A workbench inside Fontana Monuments in Colma on April 5, 2022. Current owner Mark Fontana is a third-generation owner of the business, and he now gets help from his two daughters. (Morgan Ellis / Xpress Magazine)

The walls of the office are pasted with photos from floor to ceiling at Fontana Monuments in Colma on April 5, 2022. The pictures show many memories of the shop and projects that they have been able to work on over the years. (Morgan Ellis / Xpress Magazine)

The Fontana Monuments workshop is filled with stacks of different kinds of stone. Many of the slabs will be transformed into various monuments to decorate graves in Colma's nearby cemeteries. (Morgan Ellis / Xpress Magazine)

Markings on samples of stone at Fontana Monuments on April 5, 2022 in Colma. (Morgan Ellis / Xpress Magazine)