International Longshoremen's and Warehousemen's Union Headquarters

1. 1971

   International Longshoremen's and Warehousemen's Union Headquarters, designed by Anshen + Allen.

   Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
2. 1973

   Assessor’s “built” date.

3. Jul 1984

   Permit 8407239 $$$ $16,000

   Modification to existing office area at the 3rd floor.

4. May 1985

   Issued Permit 8504587 $$$ $90,000

   Demolition, metal studding, electrical. etc.

5. Nov 1985

   Permit 8512376 $$$ $40,000

   Metal studs, drywall, electrical, ceilings.

6. Jun 1988

   Permit 8808819 $$$ $49,500

   Tenant improvements, sus. acous. clg., gyp bd partitions.

7. Jul 1988

   Permit 8810667 $$$ $75,000

   Suspended acoustic clg, gyp bd partitions, add finishes.

8. Oct 1991

   Permit 9118434 $$$ $65,850

   Demolition of of 40% ofinterior partitions.

9. Dec 2003

   Permit 200312051718 $$$ $1

   Renew: 200205086063 ready for final inspection.

10. Feb 2004

    Permit 200402095920 $$$ $350,000

    Demolition of metal stud wall and dry walls, adding elevator smoke doors.

11. May 2007

    Permit 200705151268 $$$ $160,000

    Oti-1, leonard carder, 2nd fl, el, me.

12. Mar 2012

    Permit 201203196372 $$$ $115,000

    New unmanned telecom facility consisting ofnew8'-9"x 27'-8" at&t equip platform with 2new2206 rbs cabinets. 6 new 6601 umts rbs equipment units, new 6601 lte rbs equipment unit, & new dc power plant inside new sunwest cabinet, new telco parcell cabinet, new ciena unit.

13. Dec 2013

    Permit 201312184484 $$$ $124,000

    T.i. of 2nd floor unoccupied offices and reconfiguration of the common corridor to connect this space to an occupied suite. plumbing & electrical under separate permit.

14. Mar 2014

    Permit 201403181043 $$$ $140,000

    Reroofing.

15. Apr 2017

    Permit 201704144042 $$$ $33,000

    Att modification: r&r 6existing antennas, with 6 new antennas, 9existing rrus with 6 new rrus; install 2 new xmu, 2 new fiber, remove unused equip. paint antennad to match.

16. Jul 2020

    Issued Permit 202007230746 $$$ $30,000

    Removal & upgrade of panel antennas, rrus, battery strings as well as other upgrades at equipment level/in cabinet.

17. Feb 2022

    Permit 202202248588 $$$ $55,000

    At&t: remove and replace 6 antennas. remove 6 rrus, relocate 3 rrus. install 3 new dc9 boxes, (3) 6awg dc power trunks to new dc9's. install 1 new stackable battery enclosure with 8 new 190ah batteries within. 4 new rectifiers in existing dcpp. remove (12) 155ah, 2 duw and (1) 5216. install 3 support beams.

18. Jan 2023

    Permit 202301200442 $$$ $25,000

    Comply with abe program per ord 51-16. barrier removeal at e exterior ramp and primary entry. technical infeasibility and equiv facilitation per ord 51-16. no structural work. no sidewalk work, no mep. abe 201911228634. (all exterior work to be done b a-contractor; door operator by c-28 contractor).

19. Nov 2024

    Permit 202411185224 $$$ $320,000

    Suite 201; expansion of existing suite including new non-bearing portiions, lighting, suspended ceiling electrical and finishes. mechanical and electrical work under separate permit.

20. Dec 2025

    Permit 202512040981 $$$ $30,000

    Recommencement and completion of work approved under permit application 202007230746.

DBI holds 45 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 45. 1 of them are nominal $1 street-space or sidewalk permits. 7 expired or cancelled permits are not shown. This building's context statement dates the work 1971; the assessor's roll records the parcel as built 1973.