Sunset District

The Sunset District is a neighborhood in the west-central part of San Francisco, California, United States that is primarily residential and is built along a grid pattern. It was one of the last areas of San Francisco to be developed, and most of its homes and buildings date from the 1920s through the 1950s, with the fastest rate of construction occurring during the 1930s and 1940s (although parts of the Inner Sunset were developed beginning in the 1890s).

Sunset District in Curious Notions
Paul Gomes hailed from the Sunset District of the home timeline. He told Lucy Woo this, trying to deflect her curiosity. This just made her even more curious, as the Sunset District of her alternate was a very rundown and dangerous neighborhood, and she could not conceive of Paul as having grown up there.