37.7865, −122.4095 A locator map appears here once a Mapbox token is configured.

300–330 Mason Street

Tenderloin · San Francisco, CA 94102

  • Built 1908
  • Hotel
  • 6 stories
  • Zoned C3G
  • District 3
  • Historic status: historic resource
37.7865, −122.4095 Street View appears here once a Google Maps embed key is configured.
49,060 sq ftBuilding area
7,200 sq ftLot area
145Rooms · 81 baths

Permit history

  1. Sep 1984

    Turn down wall, change door to window.

    Expired Permit 8410189 $$$ $7,500
  2. Feb 1985

    Additions alterations or repairs.

    Withdrawn Permit 8502047 $$$ $5,000
  3. May 1985

    Legalize rooms for use for hotel and laundry rooms.

    Complete Permit 8505515 $$$ $45,000
  4. Nov 1991

    Create opening in two walls.

    Expired Permit 9121268 $$$ $50,000
  5. Jan 1992

    Change sprinklers to quick response.

    Complete Permit 9200750 $$$ $15,000
  6. Dec 1992

    Remodel food prep area. reconst opening in bear wall-3rd floor.

    Complete Permit 9220681 $$$ $15,000
  7. Dec 1993

    Build two bathroom on main floor.

    Complete Permit 9321421 $$$ $15,000
  8. Feb 1994

    To erect electric sign.

    Cancelled Permit 9402144 $$$ $13,000
  9. Apr 1994

    Demolish a partition between store close the door.

    Expired Permit 9405323 $$$ $6,000
  10. Apr 1994

    Reopen and install 8x5 window 4x5 window relocate countr.

    Expired Permit 9406249 $$$ $700
  11. Nov 1997

    Steel frames for side & front (bolts plus with correction).

    Issued Permit 9723412 $$$ $210,000
  12. Apr 1998

    Remove tile & old sheetrock from walls & new shower doors.

    Complete Permit 9806983 $$$ $10,000
  13. Sep 1999

    Wall opening & handicapp ramp & power door operator with push.

    Expired Permit 9919822 $$$ $15,500
  14. Jan 2001

    Revision to app#9723412. new accessible handrail for existing stairs-all six stories. to corect the numb.

    Expired Permit 200101039092 $$$ $8,000
  15. Apr 2001

    Street space permit.

    Issued Permit M15981 $$$ $360,000
  16. Oct 2002

    Remove existing frame, replace with new frame and new cover.

    Issued Permit 200210189312 $$$ $22,950
  17. May 2003

    Reroofing.

    Complete Permit 200305164778 $$$ $51,500
  18. Jul 2003

    Update current fire alarm system on all floors new panel and devices.

    Issued Permit 200307038774 $$$ $52,000
  19. Jun 2010

    Erect a non-electric single faced on existing marquee.

    Complete Permit 201006255330 $$$ $7,000
  20. May 2011

    Painted non-structural sign.

    Complete Permit 201105115839 $$$ $6,500
  21. Feb 2013

    Remodel 8 bath rooms in kind.

    Complete Permit 201302190451 $$$ $80,000
  22. Oct 2021

    Fire only: replace existing fire pump, jockey pump, fire pump controller, jockey pump controller, and backflow preventer.

    Issued Permit 202110140436 $$$ $22,000
  23. 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.

    Issued Permit 202502110074 $$$ $2,000,000
  24. Dec 2025

    Cornice maintenance, including steel trussed, wood framing, and brick walls. no visible change to the exterior of the building.

    Issued Permit 202512121715 $$$ $75,000

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