The comfort and gleam of the Pacific Palisades neighborhood of Los Angeles depended on the people who waded through rush-hour traffic on the 405 Freeway or the Pacific Coast Highway every morning to do the service work there.

That’s why Elvis Sandoval and other workers, largely Latino immigrants, considered themselves part of the community. They trimmed the lawns, cleaned the living rooms, folded the laundry, watched the children or did any number of other jobs that made idyllic life by the ocean possible.

Now, though, thousands of homes and many businesses in the neighborhood are gone, and so too is “all of our work,” said Mr. Sandoval, 43, a landscaping-business owner who immigrated from Mexico and for more than 20 years has maintained lawns and gardens and built the ambitious landscaping projects of Pacific Palisades residents.

The victims of the fires still ravaging Greater Los Angeles include not just the people who lost their lives or their homes, schools and communities to the infernos. Service workers, many of them already clinging tenuously to their rung on California’s steep economic ladder, have lost their livelihoods to the fires.

“There’s no safety net for these workers,” said Maegan Ortiz, the executive director of the nonprofit group Instituto de Educación Popular del Sur de California, known as IDEPSCA. The group supports day laborers, who often count on work in upscale neighborhoods like the Palisades. “This is going to be a dire, dire situation for quite a number of years,” Ms. Ortiz said.

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