37.7627, −122.4012 A locator map appears here once a Mapbox token is configured.

555 De Haro Street

Potrero Hill · San Francisco, CA 94107

  • Built 1895
  • Office building
  • 4 stories
  • Zoned PDR1G
  • District 10
  • Historic status: historic resource
37.7627, −122.4012 Street View appears here once a Google Maps embed key is configured.
49,946 sq ftBuilding area
40,000 sq ftLot area
13Rooms
  1. 1935

    Built as the Pioneer Soap factory.

    Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
  2. 1943

    Occupied by the Pioneer Soap factory by 1943.

    Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
  3. Oct 1981

    Additions alterations or repairs.

    Complete Permit 8108650 $$$ $84,800
  4. Jul 1985

    Remodeling of lobby and star areas.

    Cancelled Permit 8507392 $$$ $30,000
  5. Jan 1991

    Cti-1.

    Complete Permit 9100899 $$$ $23,000
  6. May 1992

    Office space/walls.

    Complete Permit 9208276 $$$ $40,000
  7. Nov 1992

    Paint recarpet remove intr walls & replace with new n/l bearing.

    Complete Permit 9219174 $$$ $28,000
  8. Jan 2000

    Install antennas and equipment on rooftop.

    Expired Permit 20000128481 $$$ $40,000
  9. Dec 2003

    Oti-1 1st floor, el, me, ls, sp demolition walls, built partition walls & two ada restrooms.

    Complete Permit 200312102009 $$$ $60,000
  10. Dec 2005

    Install 3 panel antennas enclosed within new 4 chimney painted to match existingsprint chimneys.install equipment cabinets & new concrete pad adjacent to existingsprint enclosure.install new wood equipment enclosure indentical to existing enclosure.install new wiring & cable tray connecting equip to antennas.

    Complete Permit 200512160524 $$$ $75,000
  11. Apr 2012

    Att: wireless facility to propose 9 antennas behind radio frequency transparant screening, equipment placed on ground behind wood fence.

    Cancelled Permit 201204279269 $$$ $195,000
  12. Sep 2012

    Sprint wireless modification. replace (4) existing panel antennas with (3) new antennas within existing radome on roof; replace (3) existing equipment cabinets with (2) new equipment cabinets in existing equipment shelter on ground level.

    Complete Permit 201209109315 $$$ $45,000
  13. Mar 2014

    Unmanned telecommunications facility consisting of 9 antennas inside frp boxes and related equipment. compliance with ord 155-13 not required.

    Complete Permit 201403191183 $$$ $215,000
  14. Sep 2014

    Modification to existingsprint cell site.remove 3existing antennas & radomes. all antennas to be screened in faux chimneys. 2existingantennas reinstalled & 2 2.5 ghz antennas added-1 per sector.1 new triband antenna installed for a total of 5 sprint antennas.add rrh & 2.5 equipment.

    Withdrawn Permit 201409307700 $$$ $30,000
  15. Jan 2017

    Voluntary ada upgrade includes: grading of site for accessible slopes- new ada parking stall. new parking stripping and path of travel work. new access ramp entry. replace inkind wood deck at main entry and adjacent suite. n/a for maher.

    Withdrawn Permit 201701106869 $$$ $100,000
  16. Oct 2018

    At&t r&r 6existing antenna with new. install 9 new rrus and other small equip. remove 6 existing rrus. install 2 new batteries in existing cabinet.

    Complete Permit 201810254120 $$$ $33,000
  17. Aug 2019

    Demolition of nonstructural existing interior partitions on 1st floor. per ab-017 space to remain vacant until all accessible features are restored. n/a for maher - no ceiling work.

    Complete Permit 201908199187 $$$ $50,000
  18. Aug 2019

    T-mobile replace 3 antennas, add 3 rrus and 1 hybrid cable.

    Cancelled Permit 201908199164 $$$ $25,000
  19. Oct 2019

    T.i. of existing space for light manufacturing use. work includes non-structural walls and doors, new breakroom, lobby, bathrooms. mep and sffd sprinklers on seperate permits. n/a for maher.

    Complete Permit 201910295829 $$$ $1,200,000
  20. Jan 2020

    1st fl - hvac improvments. ref permit application 201910295829.

    Complete Permit 202001061252 $$$ $96,000
  21. Jul 2020

    2nd fl - change of use (pdr to lab) ti remodel of existing 12, 378 sq ft of interior space for lab, demonstration space, offices, conference rooms, shower and existing toilet.

    Complete Permit 202007019423 $$$ $1,200,000
  22. Sep 2020

    Mechanical duct installation throughout the suite.

    Issued Permit 202009013152 $$$ $1
  23. Sep 2020

    2/f: adding notification devices. ref t.i. pa202007019423. maher n/a.

    Complete Permit 202009234834 $$$ $21,940
  24. Jan 2022

    T-mobile: swap (3) existing antennas, install (3) new antennas, install (3) new rrus, remove existing 3 radome and replace with new 3'-6" radome, remove (1) existing cabinet: install (2) new cabinets. remove existing batteries: install new batteries install new 100a breaker.

    Complete Permit 202201135933 $$$ $72,000
  25. Apr 2022

    At&t modification unmanned telecom facility. remove/replace (6)panel atennas with in existingfrp faux vents, remove (3)ruus's/(3)existing #8awg dc power trunks, install (3)new #4awg dc power trunks, (3)new fiber truns, new rf safety signs, barriers/tripping @ rooftop. install (4)new rectifiers in existingdcpp &.

    Complete Permit 202204283164 $$$ $45,000
  26. Dec 2025

    At&t: modification of an existing unmanned wireless facility. remove and replace 3 antennas behind frp screening, rf safety stripping, signs & barricade. remove (1) infinity pp with rectifiers and cabinets. install 1 vertiv battery cabinet with 12 relocated 210ah batteries. (1) netsure pp with (4) new (210ah).

    Complete Permit 202512030806 $$$ $67,200

DBI holds 54 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 54. 7 of them are nominal $1 street-space or sidewalk permits.

The survey's data table dates the building to 1935; its own note says the factory was built between 1929 and 1940. Not yet documented: the architect and builder and the early tenants. The assessor dates the building to 1895; the city's 2011 survey of Showplace Square and the northeast Mission dates it to 1935. Submit an update