Home insurance in San Francisco starts with your policy, your deductible, and the claim you may open when fog and rain finally show up inside. The usual loss is water from the outside working through a flat roof, a parapet, a skylight, or the top of a bay window. It often looks slow, and slow is where coverage wording gets sharp. Wear and a sudden opening are not the same event. Your deductible decides whether a stained ceiling is a claim or a repair you handle outside the policy.
Read the water language before you guess. Seepage over weeks can be treated differently from a sudden leak after a heavy rain on a clogged scupper. Wind-driven damp at an old wood window is a different fact from a pipe that lets go inside a wall. Flats and houses with more than one floor still come down to the policy that covers the home you live in, and you should speak only about the forms you hold. A neighbor's claim result does not tell you what your deductible or your exclusions will do.
San Francisco damage hides. A soft spot in a roof deck, a bubble in plaster, or a drip that appears only when the fog is thick may have started at a seam you cannot see from the sidewalk. Say whether water is entering from above or from a wall, and whether it began on a wet week or has been ghosting all season. Interior finishes in these older houses mark easily, so a small leak becomes a large plaster repair. Describe that plainly. Do not inflate it, and do not shrug it off as something the climate always does.
Have the policy and the deductible with you. Name the room, the date you first noticed the stain, and whether water is still moving. Mention a flat roof, a deck, or a bay window if that is the path. The call should be about your claim and the coverage written for this loss, in this fog, on this old building.
Call the number on this page.