2525 Lyon Street
Presidio Heights · San Francisco, CA 94123
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1923
A custom-built duplex — one of the small number of multiple-unit buildings designed for its own site rather than to a builder's pattern, which before the war usually meant a building aimed at well-off tenants who wanted the standing of a private house.
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Apr 1983
Erect interior partitions.
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Sep 1984
Construct stair case & envlosure from top floor to roof.
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Apr 1988
Horizontal addition.
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May 1989
Redesign glulam beam in garage area to span 2 parking spaces.
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Jun 1989
Termite work as per inspection report.
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Aug 1989
Resubmitting revised roof framing plans as requested.
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Sep 1989
Additional information to conform existingsingle habitable room.
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Aug 1991
Repair deck surface at top of building (dex-o-tex).
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Feb 1993
Remov stucco for termite inspec-front-corner east & nrth wls.
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Apr 1993
Replace framing & sheathing damaged by termites & dry rot.
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Jul 2015
Install new residential elevator with mechanical room, assorted carpentry and finish work with new lighting. alter existing fire escape per code.
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May 2024
Bathroom remodel, keep same blueprint, new shower, faucets (2), replace toilet, vanity, rebuild shower enclosure. install ceiling fan, new electrical circuits, insulation and new drywall in walk-in closet. like for like remodel.
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Apr 2025
Repair the existing retaining wall (rw) located along the front of the parcel with (3) new "buried" reinforced concrete drilled piers anchored to the uphill side of the existing brick capped concrete rw. install (6) subdrain shafts new at the existing weep holes.
Not yet documented: the architect and builder, the early residents and the date of the last recorded sale. This building is dated 1923 in the historical record; the assessor's roll gives the parcel a build year of 1922. Submit an update