555 De Haro Street

1. 1895

   Built.

2. 1935

   Built as the Pioneer Soap factory.

   Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
3. 1943

   Occupied by the Pioneer Soap factory by 1943.

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

   Permit 8108650 $$$ $84,800

   Additions alterations or repairs.

5. Jan 1991

   Permit 9100899 $$$ $23,000

   Cti-1.

6. May 1992

   Permit 9208276 $$$ $40,000

   Office space/walls.

7. Nov 1992

   Permit 9219174 $$$ $28,000

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

8. Dec 2003

   Permit 200312102009 $$$ $60,000

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

9. Dec 2005

   Permit 200512160524 $$$ $75,000

   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.

10. Sep 2012

    Permit 201209109315 $$$ $45,000

    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.

11. Mar 2014

    Permit 201403191183 $$$ $215,000

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

12. Sep 2014

    Withdrawn Permit 201409307700 $$$ $30,000

    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.

13. Jan 2017

    Withdrawn Permit 201701106869 $$$ $100,000

    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.

14. Oct 2018

    Permit 201810254120 $$$ $33,000

    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.

15. Aug 2019

    Permit 201908199187 $$$ $50,000

    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.

16. Oct 2019

    Permit 201910295829 $$$ $1,200,000

    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.

17. Jan 2020

    Permit 202001061252 $$$ $96,000

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

18. Jul 2020

    Permit 202007019423 $$$ $1,200,000

    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.

19. Sep 2020

    Issued Permit 202009013152 $$$ $1

    Mechanical duct installation throughout the suite.

20. Sep 2020

    Permit 202009234834 $$$ $21,940

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

21. Jan 2022

    Permit 202201135933 $$$ $72,000

    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.

22. Apr 2022

    Permit 202204283164 $$$ $45,000

    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 &.

23. Dec 2025

    Permit 202512030806 $$$ $67,200

    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).

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. 4 expired or cancelled permits are not shown. The assessor dates the building to 1895; the city's 2011 survey of Showplace Square and the northeast Mission dates it to 1935. The survey's data table dates the building to 1935; its own note says the factory was built between 1929 and 1940.