55 Hawthorne Street

1. Feb 1983

   Install halon 1301 system on 7th & 8th floors.

   Complete Permit 8301668 $$$ $15,000
2. Mar 1984

   New doors.

   Complete Permit 8402405 $$$ $350,000
3. Apr 1990

   Cti.

   Complete Permit 9007785 $$$ $425,000
4. Oct 1997

   Cti-1 - 10th fl.

   Expired Permit 9720855 $$$ $600,000
5. Nov 2005

   Add/extend existing fire sprinkler system to protect building throughout.

   Expired Permit 200511087675 $$$ $350,000
6. Nov 2005

   Upgrade fire life safety system comply local code requirements.

   Expired Permit 200511299082 $$$ $363,500
7. Jul 2007

   Shoring and underpinning as a result of adjacent new construction at 645 howard street and 1 hawthorne bpn# 200509082369.

   Complete Permit 200707176979 $$$ $800,000
8. Nov 2009

   Tenant improvement. minor demolition and construction of partitions, doors & frames, millwork & finishes, mechanical improvements. electrical & life safety under separate permit.non- rating coorridor in sprinklered building.

   Complete Permit 200911060725 $$$ $450,000
9. Apr 2013

   T.i. with non-structural demolition. new accessible restroom and showers. non load bearing partitions, conference room, pantry. mep, sprinklers fire alarm on seperate permit.

   Complete Permit 201304033712 $$$ $100,000
10. Dec 2014

    7th floor: interior office tenant improvement to inc0lude demolition and construction of non structural partitons, doors, frames, millwork, drywall0, and acoustic ceilings. mechanical/electrical/plumb/fire and life safety deferred.

    Complete Permit 201412053182 $$$ $768,000
11. Dec 2014

    9th floor: interior office tenant improvement to include demolition and construction of non structural partitions, doors, frames, millwork, drywall and accoustic ceiling. mechanical/electrical/plumb/fire/ls.

    Complete Permit 201412053185 $$$ $793,750
12. Jan 2015

    Mechanical, electrical and plumbing work for t.i. on 9/f. t.i. permit application 201412053185.

    Complete Permit 201501095326 $$$ $450,000
13. Jan 2015

    Mechanical, electrical& plumbing work for tenant improement on the 07th. ref arch 2014-1205-3182.

    Complete Permit 201501095323 $$$ $210,000
14. Feb 2015

    11th floor: interior office t.i. to include demolition & construction of non-structural partitions, doors, frames, millwork, drywall & accoustic ceiling. mechanical/electric/plumbing/fire/life safety deferred submittal, elevator not part of these plans. creation of horizontal exit.

    Complete Permit 201502107962 $$$ $834,900
15. Feb 2015

    Interior office tenant improement to include demolition and construction of non stuctural partitons, doors, frames, millwork, drywall, accoustic ceiling tiles. mechanical, electrical, plumb, fire ls- deferred submittal.

    Complete Permit 201502118122 $$$ $834,900
16. Mar 2015

    Mechanical and electrical work for t.i. on the 10th. ref.

    Complete Permit 201503160963 $$$ $200,000
17. Apr 2015

    11th floor & roof: demolition portion of existing structure slab to create new opening in roof. const, of new elevator, shaft walls ajacent to existing penthouse to accd. new elevator lobby & control room. non structural partitions, doors, frames, hardware. drywall and acoustic ceiling tiles, finishes, mechanical & electrical.

    Complete Permit 201504224366 $$$ $600,000
18. May 2015

    Mechanical and electrical work for t.i. on the 11/f. t.i. permit application 201502107962.

    Complete Permit 201505055382 $$$ $300,000
19. May 2015

    Construction of new non-combustable roof deck above existing post-tensioned roof slab to include structural steel support beams. new composite conc. pan deck, exterior finishes and millwork, guardrails, green roof planters, mechanical, electrical. & plmg.

    Complete Permit 201505216880 $$$ $2,000,000
20. Oct 2015

    Demolition exist non struct interior partitions, doors, frames, hardware. millwork, ceilings, finishes, mechanical, electrical, plumbing. non structural partitions, doors, frames, hardware, millwork. drywall and acoustic ceiling grid tile, finishes, mechanical, electrical, plumbing.

    Complete Permit 201510028655 $$$ $793,750
21. Oct 2015

    Demolition exist non struct interior partitions, doors, frames, hardware. millwork, ceilings, finishes, mechanical, electrical, plumbing. non structural partitions, doors, frames, hardware, millwork. drywall and acoustic ceiling grid tile, finishes, mechanical, electrical, plumbing.

    Complete Permit 201510028661 $$$ $793,750
22. Nov 2015

    6th floor: mechanical and electrical work for t.i. ref app#201510028655.

    Complete Permit 201511193051 $$$ $100,000
23. Nov 2015

    5th floor: mechanical and electrical work for t.i. ref app#201510028661.

    Complete Permit 201511193054 $$$ $100,000
24. May 2017

    4th floor: interior office ti - includes new non structural interior partitions, new millwork, doors, frame and ceiling. new mechanical and elecatial & plumbing. fire/life saftey deferred submittals.

    Complete Permit 201705156555 $$$ $1,100,000
25. Sep 2017

    8th fl: construction of non structural partitions, door, s frames, hardware, millwork, drywall and acoustic ceiling. renovation to existing mechanical, electrical, plumbing. alarm/sprinklers deferred. demolition done under 2017-0828-6067.

    Complete Permit 201709269643 $$$ $1,800,000

DBI holds 255 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 255. 2 of them are nominal $1 street-space or sidewalk permits.