520 Fourth Street

1. 1977

   The Trocadero Transfer, an after-hours dance club, opened in this warehouse building and remained until 2000.

   Central SoMa Historic Context Statement, adopted 2016
2. Oct 1997

   Install new h.c. ramps, stair rail, sheetrock under mez.

   Expired Permit 9721175 $$$ $3,500
3. Mar 1998

   Demolition of interior only, title 24 compliance.

   Complete Permit 9804884 $$$ $5,000
4. Apr 1998

   Renovation of existing night club to restaurant.

   Complete Permit 9806460 $$$ $250,000
5. Sep 1998

   Handicap lift in place of ramp new door add.

   Complete Permit 9819756 $$$ $1
6. Dec 1998

   Mezzanine reinforcement via attached of beam & post.

   Complete Permit 9825652 $$$ $4,500
7. Dec 1998

   Install a fire alarm system install conduit for device loctn.

   Complete Permit 9825653 $$$ $1
8. Jan 1999

   New hv system to comply with codes & title-24.

   Complete Permit 9901152 $$$ $20,000
9. Feb 1999

   Add fire sprinkler heads.

   Complete Permit 9902470 $$$ $8,500
10. May 1999

    Installation of a fire alarm system only.

    Complete Permit 9910131 $$$ $1
11. Aug 1999

    Install the kitchen hood duct fire suppression system.

    Complete Permit 9917732 $$$ $900
12. Dec 1999

    Wrk completed-revise permit application 9806460-show all as built condition.

    Cancelled Permit 9927329 $$$ $1
13. Aug 2000

    Add rooftop air conditioning unit.

    Cancelled Permit 200008319425 $$$ $5,500
14. Sep 2000

    Add roof top air conditioning unit.

    Expired Permit 200009019504 $$$ $5,500
15. Nov 2007

    Reroofing.

    Issued Permit 200711027187 $$$ $18,000
16. Mar 2011

    Addition of 5 toilet stalls, 4 lavatory sinks, demolition of non-structural wood frame walls, construction of non - load bearing wood frame walls. replace plywood subfloor with p.t. plywood, replace hardwood flooring, sheetrock ceiling demolition, upgrade existing bar counter and counter top to current.

    Complete Permit 201103303139 $$$ $34,000
17. May 2011

    Construction of non-load bearing walls, demolition of non-load bearing walls, renovation of existing bar counters, replacement of bar equipment, renovation of existing bathrooms. electrical, mechanical, plubing, fire protection, life safety, sprinkler, & fire alarm to be filed under separate permit.

    Complete Permit 201105025107 $$$ $140,000
18. May 2011

    To comply with t-24 for lighting. upgrading & relocating lighting fixtures on 1st & 2nd floor.

    Complete Permit 201105166111 $$$ $6,500
19. May 2011

    Fire sprinkler only. modify existing fire sprinkler system to protect new tenant improvement area, 28 total.

    Complete Permit 201105317092 $$$ $8,500
20. Jul 2011

    For fire sprinkler work only. to modify the existing fire sprinkler system to properly protect the ground floor. new tenent improvement area. 8 adds, 1 delete and 6 relocates.

    Complete Permit 201107079651 $$$ $7,500

1 nominal $1 street-space or sidewalk permit is omitted from the timeline.