2450 17th Street

1. 1913

   Built as a school, recorded as occupied by Lux School of Industrial Training. Designed by William C. Hayes.

   Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
2. Mar 1982

   Additions alterations or repairs.

   Complete Permit 8201586 $$$ $45,000
3. Jun 1982

   Building use: office.

   Complete Permit 8205330 $$$ $225,000
4. May 1989

   1st floor office use to be converted to public assembly.

   Expired Permit 8907280 $$$ $400,000
5. Oct 1989

   Tenant improvement-plumbing, mechanical and electrical.

   Cancelled Permit 8919088 $$$ $237,000
6. Oct 1989

   Tenant improvement-plumbing, mechanical and electrical.

   Cancelled Permit 8919089 $$$ $237,000
7. May 1992

   Reroofing.

   Expired Permit 9208815 $$$ $11,000
8. Nov 1993

   Install diag bracing for the parapet.

   Complete Permit 9320230 $$$ $3,000
9. Jul 1996

   Misc-remodel restrms, floors 1 7 2. new hc ramp. replace ceiling.

   Complete Permit 9612681 $$$ $600,000
10. Aug 1996

    Interior demolition, non- bearing walls.

    Complete Permit 9616206 $$$ $15,000
11. Feb 1999

    To install 9 panel antennas to the roof's parapet and buildo.

    Complete Permit 9903329 $$$ $85,000
12. Oct 1999

    Removal of 2 skylights & reframe, reroofing.

    Complete Permit 9922485 $$$ $110,000
13. Nov 2002

    Demolition exist walls, new walls for assembly room with associated corridors, lobby spaces 1st floor. rearrange.

    Issued Permit 200211262363 $$$ $200,000
14. Dec 2004

    Replace existing fire alarm system, partial 2nd fl & garage only.

    Issued Permit 200412171707 $$$ $10,000
15. Nov 2005

    Revise building permit 200412171707 to iinclude the top (3rd floor).

    Issued Permit 200511299121 $$$ $3,800
16. Dec 2006

    Repair & clean gutters (furnish to match existing).

    Expired Permit 200612119614 $$$ $6,795
17. Jan 2009

    At & t wireless propoe to modify existing telecom facility. modifications to facility will consist of 6 tma's to 3 of the existing antennas. installation of 6 coax cables that run from equipment cabinets to existing antennas. install 3 (rets) to back of existing antennas & reconfigure (adding internal radios) and existing.

    Complete Permit 200901079736 $$$ $5,000
18. Mar 2010

    A modification to an existing unmanued telecommunication, facility consists add a new3206 cabinet in an existing equip. rm, remove & replace (6)existing antennas with (6)new antennas, add (6)new lines of coax (3)new dtma's & new ret's (remote electrical tilts)to antennas, ret powered by low voltage signal thru coax cable.

    Complete Permit 201003198599 $$$ $65,000
19. Sep 2010

    Modification of existing at&t telecomunications site. relocate 3 antennas, no new equipment. original permit# 9903329 ( zoning/planning reference).

    Complete Permit 201009211310 $$$ $5,000
20. Sep 2010

    Existing 3rd floor restroom improvements.

    Complete Permit 201009291903 $$$ $95,000
21. Nov 2010

    Remove and replace 3 antennas. add 6 rrvs, 3 surge suppresses. add new splice box & 4 inner ducts. add new gps antenna.

    Complete Permit 201011245631 $$$ $45,000
22. May 2014

    A modification to an existing unmanned at&t telecom. facility consisting of instlaling 3 new rru-12 units with 3 new a2 modules & removing & replacing 1 existing dul rbs unit with 1 new dus41 rbs unit in existing 19" rack in existing shelter.

    Complete Permit 201405125467 $$$ $10,000
23. Oct 2014

    Shoring & tieback involves the use of soldier beams, wood lagging & tiebacks to retain cuts up to 19 feet high, required for below grade parking for the 346 potrero ave development. (permit application 2013-11-20-2405s).

    Issued Permit 201410068180 $$$ $193,375
24. Jun 2016

    Modification to an existing at&t facility including: removing and replacing 6 existing antennas like for like swap. removing 3 existing rrus and installing 6 new rrus near antennas. other misc upgrades to surge suppressors, fiber/power trunks, dus41 & xmu units, etc.

    Complete Permit 201606301297 $$$ $38,000
25. Sep 2018

    At&t mobility - modifications r&r 6 existing antennas with 6 new antennas. paint to match. install 6 new rrus, install other sm equip, remove all unused equip. no proposed change to existing batteries.

    Cancelled Permit 201809271638 $$$ $34,000

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. 3 of them are nominal $1 street-space or sidewalk permits.