300–330 Mason Street
Tenderloin · San Francisco, CA 94102
Permit history
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Sep 1984
Turn down wall, change door to window.
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Feb 1985
Additions alterations or repairs.
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May 1985
Legalize rooms for use for hotel and laundry rooms.
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Nov 1991
Create opening in two walls.
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Jan 1992
Change sprinklers to quick response.
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Dec 1992
Remodel food prep area. reconst opening in bear wall-3rd floor.
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Dec 1993
Build two bathroom on main floor.
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Feb 1994
To erect electric sign.
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Apr 1994
Demolish a partition between store close the door.
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Apr 1994
Reopen and install 8x5 window 4x5 window relocate countr.
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Nov 1997
Steel frames for side & front (bolts plus with correction).
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Apr 1998
Remove tile & old sheetrock from walls & new shower doors.
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Sep 1999
Wall opening & handicapp ramp & power door operator with push.
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Jan 2001
Revision to app#9723412. new accessible handrail for existing stairs-all six stories. to corect the numb.
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Apr 2001
Street space permit.
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Oct 2002
Remove existing frame, replace with new frame and new cover.
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May 2003
Reroofing.
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Jul 2003
Update current fire alarm system on all floors new panel and devices.
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Jun 2010
Erect a non-electric single faced on existing marquee.
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May 2011
Painted non-structural sign.
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Feb 2013
Remodel 8 bath rooms in kind.
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Oct 2021
Fire only: replace existing fire pump, jockey pump, fire pump controller, jockey pump controller, and backflow preventer.
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Feb 2025
Removal and abatement of existing paint on sheet metal and repair on repaint. masonry facade repair. repair existing wood/metal windows in kind. work is facing street and in the public right of way.
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Dec 2025
Cornice maintenance, including steel trussed, wood framing, and brick walls. no visible change to the exterior of the building.
DBI holds 43 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 43. 5 of them are nominal $1 street-space or sidewalk permits.
Not yet documented: the architect and builder and the early tenants. Submit an update