Bob Weir has lived in several notable places over his life, but he is most strongly associated with growing up in Atherton, California, and later making his long‑term home in Mill Valley in Marin County, California.

Early life: where he grew up

  • Bob Weir was born in San Francisco, California, in 1947 but was raised in Atherton, an affluent suburb on the San Francisco Peninsula.
  • He attended Menlo‑Atherton High School, spending his teenage years in the Atherton/Menlo Park/Palo Alto area where the early Grateful Dead scene took shape.

1960s San Francisco years

  • In the mid‑1960s, Weir lived in the broader Palo Alto area while playing in early bands that evolved into the Grateful Dead, frequenting local houses that doubled as rehearsal spaces.
  • As the band shifted to San Francisco’s Haight‑Ashbury counterculture, Weir, like other members, spent time in communal crash‑pad style homes in that scene, including well‑known band houses around the Haight district.

Long‑term home in Mill Valley

  • After the chaotic Haight years, Weir eventually settled in Mill Valley in Marin County, north of San Francisco, which became his primary home base for many years.
  • His Mill Valley property included a home studio where he hosted friends and fellow musicians, and where parts of his 1972 solo album Ace were developed in relaxed jam‑session settings.

Songwriting retreats and ranch life

  • Beyond California, Weir also spent extended periods on a Wyoming ranch owned with lyricist John Perry Barlow, where they wrote a number of Grateful Dead songs in a remote log‑cabin setting.
  • Accounts from Barlow and later fan discussions describe the ranch as a semi‑secluded creative retreat more than a permanent residence, used heavily in the 1970s and 1980s for intensive writing sessions.

Today and “latest news” angle

  • In recent years, Weir has continued to base himself in Marin County while touring and collaborating with projects like Dead & Company and related ensembles.
  • Real‑estate and nostalgia pieces still highlight former Grateful Dead houses in Palo Alto and San Francisco, but these are usually framed as historic places the band used or passed through rather than where Weir currently lives.

TL;DR: Bob Weir grew up in Atherton, lived in various Bay Area band houses (especially around Palo Alto and San Francisco’s Haight‑Ashbury), did major songwriting stints on a Wyoming ranch, and is best known for making his long‑term home in Mill Valley, California.

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