Plumbing in South San Francisco, CA — What You Should Know
South San Francisco's industrial peninsula location between San Bruno Mountain and the bay means hillside neighborhoods like Avalon Park and Brentwood with homes from the 1940s–60s, plus newer biotech-corridor development near Oyster Point — all dealing with bay-influenced moisture, moderately hard Hetch Hetchy water, and fill soils that settle unevenly.
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