300 Treat Avenue

1. 1908

   Built as the Long Syrup refinery. Designed by Herbert B. Maggs.

   Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
2. January 17, 1908

   Nelson & Sheehan contracted to put up a three-storey and basement brick building, at $9,477.

   The San Francisco Call, 17 January 1908, p. 13
3. May 15, 1954

   The Office of the Assessor-Recorder photographed the property for tax assessment.

   Assessor-Recorder Photographs (SFP 23), San Francisco Public Library
4. Dec 1993

   Permit 9322526 $$$ $20,000

   Emove portion of existing parapet to bring into compliance.

5. Mar 1998

   Filing Permit 9804705 $$$ $130,000

   Provide bolts from floors & roof to wall.

6. Feb 2000

   Permit 9926975 $$$ $1,500,000

   Renovation of the shell & core ofexisting3 story building.

7. Feb 2000

   Permit 200002222356 $$$ $150,000

   T/i work on all floors new finishes electrical plumbing.

8. Nov 2000

   Permit 200011145674 $$$ $95,000

   Alter existing fire sprinkler sys-add new system at roof & at 3rd floor.

9. Mar 2001

   Permit 200103134101 $$$ $5,000

   Rev. to permit application 9926975 & 2000/06/02/1561 - new lobby design and delete corridor at 1st floor north space.

10. Jun 2003

    Permit 200306116828 $$$ $1,675,000

    Tenant improvement for first time tenant interior work only.

11. May 2004

    Permit 200405032843 $$$ $10,000

    Reduce the size of the mezzaning. rev#200306116828.

12. Jun 2004

    Permit 200406227053 $$$ $27,759

    1 ac unit-3 exhaust fans. reference#200306116828 r-6.

13. Oct 2004

    Permit 200410015706 $$$ $18,450

    Changed all heads on 2nd floor from quick to standard respose per sffd requirement/plans and proff.

14. Nov 2004

    Permit 200411018207 $$$ $45,000

    Replace existing 4th floor framing with 1400 tjw at 24" on center. structural work only under this permit.

15. Nov 2010

    Permit 201011104740 $$$ $15,000

    Install 7 wall mounted illuminated signs, single face.

16. May 2011

    Issued Permit 201105065544 $$$ $150,000

    Minor non-structural interior demolition. new drywall partitions. add hc accessible ramp; rearrange light fixtures and electrical outlets. add raised floor.. add structural raised floor: relocate existing hvac ductwork and diffusers(no new hvac).

17. Jun 2011

    Permit 201106309273 $$$ $1,800

    Remove total 8 sprinker heads below & above ramp, connect remaining 6 heads to 4" main, reroute 2" drain from ramp area to new location.

18. Dec 2018

    Permit 201812198779 $$$ $193,000

    Rehabilitate facade of building: scope to include new sheet metal cornice trim, new blade signage, rehab of abandoned doorwayws, new aluminum storefront windows and new aluminum storefront door. -"new blade signage under separate permit.".

19. Aug 2022

    Permit 202208150494 $$$ $135,000

    Dish wireless: install (6) new antennas, (12) new rru's, (1) equipment platform with (1) new cabinet; (2) new batteries.

DBI holds 42 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 42. 3 of them are nominal $1 street-space or sidewalk permits. 8 expired or cancelled permits are not shown.