129–131 24th Avenue
Seacliff · San Francisco, CA 94121
One house of 1903 on the Sea Cliff edge of the avenue, standing across two contiguous lots numbered 129 and 131. A published guide to notable residences ties the address to Ansel Adams; its own permit record is a story about the ground beneath it.
One building, two lots and two numbers
The city treats 129 and 131 as a single structure on two parcels. The 131 lot is classed "Single Struct on Multi Lot" and reports zero building area — the building is carried entirely on the 129 lot — and both parcels' assessor records give the location as 129 24th Avenue. This site documents them as one building, which is why the page is titled with the range. The guide that names the address treats 129 and 131 as two separate houses; that account is set out below rather than adopted here.
Permit history
Twelve distinct permits, 1995–2024 — DBI files the shared foundation permits under both lots, so several appear twice in a raw query and are collapsed here. The record's dominant theme is the ground: emergency underpinning of two corners in 1995, larger underpinning of the whole house in 1996, and a stem-wall foundation along the north side the same year. Most of the 1990s permits expired rather than closing out. The largest and most recent work is a 2024 interior remodel with an elevator added.
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Jul–Oct 2024
Interior remodel — rebuild the lower-level stair, remodel the sunroom, kitchen, bath and upper bedrooms; revised to add an elevator and equipment room.
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Oct 2020
Emergency repair of the deck over the garage — structural beams, guardrails, waterproofing, deck surface.
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Apr 2004
Build a 7-foot fence along the north property line and remove a shed.
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1998–2000
Matching horizontal additions filed on each lot, both expired; a 2000 renewal was filed for final sign-off.
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Nov 1998
Reroofing.
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Nov 1996
Construct a stem-wall foundation along the north side of the dwelling.
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May 1996
Underpin the building to provide stability to the house — filed on both lots.
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Dec 1995
Emergency underpinning of two corners of the house.
Not yet documented: the architect and builder; whether the studio the guide places at 131 was ever a separate structure and what became of it; what the "sinkhole" claim refers to; which of the lapsed 1990s foundation permits was actually built; and any primary-source basis for the Adams residency. Know any of it? Tell us — just describe it in plain words.