501 Third Street

1. Nov 1986

   Remodeling man & woman restrooms/install new plumbing fixtur.

   Complete Permit 8614683 $$$ $12,000
2. Dec 1986

   Provide and install and fire sprinkler system.

   Expired Permit 8615601 $$$ $16,420
3. May 1992

   Parapet work.

   Complete Permit 9208303 $$$ $10,000
4. May 1995

   Reroofing.

   Expired Permit 9507979 $$$ $12,000
5. Feb 2002

   Seismic retrofit of unreinforced masonry building as per 'special procedure".

   Complete Permit 200202280352 $$$ $298,000
6. Dec 2003

   Revs: to 200202280352: seismic strenghting of existing umb building as per section 34036 (104f) of sfbc.

   Complete Permit 200312122257 $$$ $375,000
7. Mar 2004

   Revision to app 200312122257- space under new ramp. rev to seismic foundation. replacing existing windows.

   Complete Permit 200403037705 $$$ $25,000
8. Jan 2005

   Replace existing stair with new stair at taber street. revision to permit application 2003/12/12/2257 & permit application 2004/03/03/7705.

   Complete Permit 200501284279 $$$ $16,000
9. Mar 2005

   Add heds to existing system.parking mez + elevator.

   Complete Permit 200503167665 $$$ $9,800
10. Jul 2005

    Revision to application #200312122257 roof strengthening alteration no.200403037705 of existing mezz non bearing 9' and 5' high walls at 1st floor.

    Complete Permit 200507228409 $$$ $1
11. Jul 2006

    Roof strenthening. new guardrail at roof deck. low height and full height walls at 2nd floor & new ada bathroom at 2nd floor.revision to 200507228409 for roof strengthening & 200312122257 for 2nd floor work.

    Complete Permit 200607146644 $$$ $21,000
12. Feb 2010

    New partition walls for office @ 3rd. floor. new gypsum board ceiling. new h/c men's & women's bathrooms.

    Complete Permit 201002035846 $$$ $80,000
13. Oct 2010

    Build new accessories room and new storage room over existing roof.

    Cancelled Permit 201010122790 $$$ $15,000
14. Feb 2011

    3rd floor-install condensing furnace, flu pipe & ducting.

    Issued Permit 201102220692 $$$ $14,000
15. Mar 2011

    Alteration of existing elevator shaft to mechanical room & exterior re-surfing of stair shaft & elevator shaft.

    Complete Permit 201103091725 $$$ $8,000
16. Jul 2018

    Further voluntary seismic strengthening and ada upgrades.

    Complete Permit 201807205142 $$$ $80,000
17. Aug 2019

    Suite 200: demolition of e non bearing partion. new non bearing partitions to create new offices, phone rm, copy rm, open office.

    Complete Permit 201908068027 $$$ $400,000
18. Sep 2019

    Suite 300: interior remodel (ti) to 3rd fl - light demolition, new drywall, offices, mep reconfiguration & interior finishes.

    Complete Permit 201909060892 $$$ $450,000
19. Sep 2019

    Modification of e fire alarm system. install 5 ceiling strobes and 4 ceiling horn strobes. 1 sync module in common areas of tenant space.

    Complete Permit 201909171792 $$$ $10,000
20. Sep 2019

    Revision to 201908068027 to existing ti. installation of interior sound proof glass windows.

    Complete Permit 201909202264 $$$ $8,000
21. Oct 2019

    3rd floor. install 15 ceiling strobes and 3 ceiling horn strobes in 3rd fl tenant space. existing sprinkler monitoring to activate notification.

    Complete Permit 201910013133 $$$ $12,000
22. Nov 2019

    3rd floor: to add 13 pendent & relocate 6/add 36 upright fire sprinklers to accommodate new tenant improvement. ref. permit application 2019-0906-0892.

    Complete Permit 201911157414 $$$ $7,650
23. Dec 2019

    Commercial ti. installation of new lights and plugs deferred 201909060892.

    Issued Permit 201912200140 $$$ $200,000
24. Dec 2019

    3/f-ref permit application 2019-0906-0892: installation of new vrf mechanical system.

    Complete Permit 201912240439 $$$ $65,000

DBI holds 37 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 37. 8 of them are nominal $1 street-space or sidewalk permits.