37.7836, −122.4174 A locator map appears here once a Mapbox token is configured.
Know This Place

District 5 · Block 0335, Lot 037 · ZIP 94109

600 Larkin Street

Industrial building

  • 46,875 ft2 lot area
  • Historic resource
37.7836, −122.4174 Street View appears here once a Google Maps embed key is configured.
  1. 1962

    Built as the Pacific Gas and Electric Company building, electrical substation. One storey.

    National Register of Historic Places nomination, National Park Service
  2. Jul 2002
    Issued Permit M21200 $$$ $15,000

    Street space and sidewalk.

  3. Oct 2005
    Issued Permit 200510075132 $$$ $140,000

    Reroofing.

  4. Mar 2007
    Permit 200703136168 $$$ $500,000

    Performing a voluntary seismic strengthening of the electric substation including strengthening exterior connections, shear connection, constructing new shearwall & horizontal bracing & strengthening low roof diaphragm. see attached project description.

  5. Jul 2007
    Permit 200707267823 $$$ $63,000

    Reroofing.

  6. Nov 2007
    Issued Permit 200711158213 $$$ $153,700

    A new nfs2-3030 panel with 1 remote graphic annunicator. the system will include 40 smokes, 6 beam detectors, 1 pull station, 6 dual monitor modules, 6 monitor modules, 6 pull station for existing deluxe system & 1 weatherproof hornstrobe.

  7. Nov 2007
    Issued Permit 200711198527 $$$ $51,564

    Add new wet sprinkler system 15 heads in oil holding/over flow room & add new 39 nozzle water spram/deluge system on first floor transformer.

  8. Jun 2008
    Issued Permit 200806104011 $$$ $9,000

    Reinstall heat detectors in transformer bank #5 for activation of the deluge sprinkler system. the system shall include 6 heat detectors around transformer bank #5.

  9. Dec 2008
    Issued Permit 200812118309 $$$ $45,000

    Replace existing water spray system at transformer bank 4 with new water spray system (deluge).

  10. Dec 2008
    Issued Permit 200812118312 $$$ $1

    Replace nozzles on existing water spray system protecting transformer bank 5, reference permit application 2007-1119-8527.

  11. Dec 2008
    Issued Permit 200812178673 $$$ $13,000

    Reinstall 6 heat detectors in transformer bay #4 for activation of the deluge sprinkler system on ground floor.

  12. Mar 2010
    Issued Permit 201003118007 $$$ $15,000

    Replace existing water spray system at transformer bank #1 with new water spray system for the new transformer, existing deluge system.

  13. Mar 2010
    Issued Permit 201003118001 $$$ $18,700

    Pg&e sub-station. to supply and install 6 heat detectors in transformer bank # 1 for activation of the existing deluge sprinkler system.

  14. Jul 2013
    Permit 201307081325 $$$ $345,000

    Fire alarm system expansion and replace the graphic annunciator. remove and replace the sprinkler manifold down the basement. also install deluge system in bank 2 area to protect the new transformer.

  15. Jul 2014
    Permit 201407231921 $$$ $50,000

    Construct partition walls between transformers 3 and 4 on 1st floor - 24 ft and 16.5 ft high of pre-concrete. maher n/a. must maintain existing fire suppression coverage.

  16. Sep 2014
    Issued Permit 201409055569 $$$ $140,000

    Replace existing deluge & heat detection system to accommodate new transformer. ** maher: compliance with ordinance no# 155-13 not required **.

  17. Jan 2016
    Issued Permit 201601086709 $$$ $60,000

    Construct partition wall between transformers 5 & 6 which will be 16 ft in height and 56 feet in length. maher na.

  18. Feb 2016
    Issued Permit 201602028547 $$$ $158,851

    1st floor: install replacement deluge system at transformer 6. install new pilot sprinkler - release for tb 5 and 6. relocate pipe stand for blast wall at tb 5 and 6, install pipe stands & nozzles per floor by tb - 5. maher na.

  19. Feb 2017
    Permit 201702068696 $$$ $28,000

    Design and expand existing fire alarm system to cover the new building addition, ref permit application 201511233360, add 1 power supply, 9 notification, 19 initiating. note: lots have been merged, to block 0335 lot 037. n/a ordinance #155-13.

  20. Dec 2017
    Permit 201712287573 $$$ $4,300

    Remove existing 4"x3"(2-way)fire depart connection and relocate on same side of building 30' to west. ref app#201601086709. n/a for maher.

  21. Jun 2018
    Permit 201806192336 $$$ $1

    Fire alarm as builts ref 201702068696.

  22. Sep 2022
    Permit 202209263103 $$$ $50,000

    To obtain final inspection for work approved under permit application # 2018-0620-2489. all work is complete.

  23. Jul 2025
    Issued Permit 202507029996 $$$ $210,000

    Replace existing fence with 10" high fence as mandated by cpuc.

  24. Apr 2026
    Permit 202604109229 $$$ $740,316

    Reroofing no hot works carlisle syntec systems/fleeceback tpo; solar reflectance 0.70, thermal emittance 0.90, solar reflectance index 99.

DBI holds 39 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 39. 11 of them are nominal $1 street-space or sidewalk permits. 1 expired permit is not shown.

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