501 Third Street

1. 1920

   Built.

2. Nov 1986

   Permit 8614683 $$$ $12,000

   Remodeling man & woman restrooms/install new plumbing fixtur.

3. May 1992

   Permit 9208303 $$$ $10,000

   Parapet work.

4. Feb 2002

   Permit 200202280352 $$$ $298,000

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

5. Dec 2003

   Permit 200312122257 $$$ $375,000

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

6. Mar 2004

   Permit 200403037705 $$$ $25,000

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

7. Jan 2005

   Permit 200501284279 $$$ $16,000

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

8. Mar 2005

   Permit 200503167665 $$$ $9,800

   Add heds to existing system.parking mez + elevator.

9. Jul 2005

   Permit 200507228409 $$$ $1

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

10. Jul 2006

    Permit 200607146644 $$$ $21,000

    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.

11. Feb 2010

    Permit 201002035846 $$$ $80,000

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

12. Feb 2011

    Issued Permit 201102220692 $$$ $14,000

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

13. Mar 2011

    Permit 201103091725 $$$ $8,000

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

14. Jul 2018

    Permit 201807205142 $$$ $80,000

    Further voluntary seismic strengthening and ada upgrades.

15. Aug 2019

    Permit 201908068027 $$$ $400,000

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

16. Sep 2019

    Permit 201909060892 $$$ $450,000

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

17. Sep 2019

    Permit 201909171792 $$$ $10,000

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

18. Sep 2019

    Permit 201909202264 $$$ $8,000

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

19. Oct 2019

    Permit 201910013133 $$$ $12,000

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

20. Nov 2019

    Permit 201911157414 $$$ $7,650

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

21. Dec 2019

    Issued Permit 201912200140 $$$ $200,000

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

22. Dec 2019

    Permit 201912240439 $$$ $65,000

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

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. 3 expired or cancelled permits are not shown.