3180–3198 18th Street

1. 1900

   Built.

2. 1902

   Built as the Pioneer Trunk Factory. Designed by Thomas Welsh.

   Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
3. Nov 1986

   Permit 8615049 $$$ $180,000

   Tenant improvement, demolition partitions, new electrical system.

4. Jul 1990

   Permit 9014498 $$$ $67,100

   Cti 1.

5. Jan 1991

   Permit 9100365 $$$ $117,000

   Cti-1.

6. Jan 1991

   Permit 9100366 $$$ $78,000

   Cti-2.

7. Feb 1991

   Permit 9101847 $$$ $74,600

   Cti i.

8. Apr 1991

   Permit 9106498 $$$ $72,500

   Interior alteration at east wing of approx 2900 sq ft.

9. Aug 1991

   Permit 9115259 $$$ $107,000

   Tenant improvement.

10. Feb 1995

    Permit 9502699 $$$ $61,000

    Revision to 9416530.

11. Mar 2001

    Permit 200103295514 $$$ $80,000

    Remove some existing partition walls, construct new partition walls, cabinets, alter lighting & plumbing.

12. Sep 2002

    Issued Permit M21820 $$$ $671,000

    Street space.

13. Apr 2012

    Permit 201204138236 $$$ $55,000

    Interior demolition of non-structural interior partition walls. demolition only per ab-017. t.i. under separate permit.

14. Jun 2012

    Permit 201206293764 $$$ $300,000

    Interior refurbishment of building corridors, 2nd floor restrooms, & one tenant suite on the 2nd floor. scope includes new-non-rated partitoins, lighting, restroom fixtures, & interior finishes. no structural work, deferred submittals for mechanical, electrical including lighting, fire/life safety).

15. Feb 2013

    Permit 201302140233 $$$ $920,000

    T.i. on 3 floors including new restrooms, offices, break room, stairs, partitions, casework, closets, dining area. mep, sprinklers under separate permit.

16. Mar 2013

    Permit 201303111932 $$$ $70,000

    Installation of a new catering prep and storage area in a pre approved location to serve an approved office lunch room.

17. Jun 2013

    Permit 201306058761 $$$ $300,000

    Tenant improvement inclues new walls, doors, glazing lighting, casework, finishes, and remodel restrooms in kind. mep to be design build under separate permits.

18. Jul 2015

    Permit 201507292815 $$$ $340,000

    Demolition of existing suites 205 and 207 to connect with suite 200. new partitions, glazing, doors, ceiling, lighting, electrical, and finishes. maher not req.

19. Sep 2015

    Permit 201509167113 $$$ $105,000

    2nd floor: mep for work done under pa 2015 0729 2815.

20. Nov 2018

    Permit 201811145845 $$$ $234,587

    Reroofing with modified bitumen roofing, 3-ply, with mechanically attached base sheet.

21. Jan 2022

    Issued Permit 202201196241 $$$ $250,000

    Replace roof top unit's like for like. replace split system like for like. demolition boiler and primary hot water pump in boiler room. install new boiler skid on roof.

DBI holds 77 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 77. 8 of them are nominal $1 street-space or sidewalk permits. 6 expired or cancelled permits are not shown. The assessor dates the building to 1900; the city's 2011 survey of Showplace Square and the northeast Mission dates it to 1902. The survey's data table dates the building to 1902; the context statement's appendix dates it to 1900.