447 Minna Street

1. Jun 1986

   Reinforce parapet walls.

   Complete Permit 8607552 $$$ $18,000
2. May 1987

   Alter exist 4th floor office area, electrical & flooring by others.

   Complete Permit 8705838 $$$ $33,000
3. Jul 1991

   Seismic upgrade & repair necessary from earthquake.

   Expired Permit 9112393 $$$ $154,650
4. Oct 2016

   To comply with nov 201623921: fire damage restoration inclduing replacement of damaged roof framing and sheathing, repair of damaged masonary facade at roof level, and installation of new roofing.no change of use under this permit. maher na.

   Complete Permit 201610120032 $$$ $900,000
5. Feb 2017

   Fire damage repair not covered under 201610120032 including repair and infill at e elevator shaft, repair of e windows, repair of e fire escape, cleaning of smoke dtaining and charring at e masonry and wood framing. comply with nov 201633921.

   Complete Permit 201702280258 $$$ $200,000
6. Jun 2017

   Install new elevator in new 2-hour rated shaft and replace wood stairs at interior. provide 2 new accessible restrooms. provide mechanical, electrical, plumbing systems at building core. (under separate permit: add sprinklers in entire building nfpa13; remove 2 restrooms).

   Complete Permit 201706149306 $$$ $850,000
7. Sep 2017

   Interior demolition for future stairs & elevator shaft. new stairs and elevator to be submitted under a separate permit. maher na.

   Complete Permit 201709209057 $$$ $200,000
8. Nov 2017

   Exterior alterations at storefront. ** maher: n/a **.

   Cancelled Permit 201711012865 $$$ $10,000
9. Nov 2017

   Install new complete fire sprinkler system through-out building with new 6-inch fire service off of 8-inch main on minna st per nfpa 13. total fire sprinklers = 110. ** maher: n/a **.

   Complete Permit 201711295009 $$$ $56,650
10. Feb 2018

    New notifier nfs-320 is being installed for the existing building as part of this core & shell project. 1 strobe power supply, 6 smoke detector, 12 duct detector, remote annunciator, manual pull & water flow/temper moduls are being added. refer to permit #2017/0920/9057. ** maher: n/a **.

    Complete Permit 201802262207 $$$ $20,000
11. Feb 2018

    Provide a two way communication system for the elevator lobby located on floors 2, 3 and 4. system will include master phone panel/power supply located in 1st fl lobby and 3 call stations. refer to permit #2017/0920/9057. ** maher: n/a **.

    Complete Permit 201802262202 $$$ $10,600
12. Sep 2019

    Tieback encroachment only for excavation shoring under p.a.# 2019-0822-9534. no work at public right of way. see 19mse-00507 for public right of way work.

    Complete Permit 201909202262 $$$ $15,000
13. Dec 2019

    Voluntary seismic strengthening, including interior demolition and new concrete and steel structural elements. no work at exterior. no occupancy under this permit. interior tenant improvement work under permit application 201912139498, maher need to comply.

    Complete Permit 201912068853 $$$ $1,000,000
14. Dec 2019

    Interior tenant improvements at 1st & 4th floors including new partition walls and new mechanical, electrical, and plumbing systems. no work at exterior under this permit. 2nd & 3/f shaft work only.

    Complete Permit 201912139498 $$$ $750,000
15. Dec 2019

    Exterior alterations including a new emergency exit, new lighting & new hvac equipment. interior t.i. improvement under seperate permit. ** maher: n/a **.

    Complete Permit 201912270797 $$$ $75,000
16. Feb 2021

    Installation of vapor intrusion mitigation system (vims) at first floor sub grade under slab and crawl space locations.

    Complete Permit 202102044028 $$$ $70,000
17. Mar 2021

    Revision to permit application 201912139498. install ramping off elevator lobby at 3rd and 4th floors due to exiting sloping of sub-floor.

    Complete Permit 202103126503 $$$ $28,575
18. Apr 2021

    Revision to permit application 201912139498. plumbing layout revisions associated with the 1st fl.

    Withdrawn Permit 202104279396 $$$ $15,750
19. Apr 2021

    Fire sprinkler permit. add 15 and relocate 6 fire sprinklers on the 1st and 4th floors. t.i. # 2019-1213-9498.

    Complete Permit 202104289472 $$$ $7,000
20. May 2021

    Fire alarm ti: adding (14) duct detectors with relays, (5) horn-strobes and (3) strobes to existing notifier nfs-320 fire alarm system.

    Complete Permit 202105200723 $$$ $15,700
21. May 2022

    2nd fl - commercial ti inc - ada bathroom; kitchenette (only sinks and cabinets) and finishes only sinks and cabinets.

    Complete Permit 202205234784 $$$ $135,000
22. Jun 2022

    Commercial t.i. including kitchenette (sink, cabinet only). finishes + hvac on 3/f. add hvac on 1/f.

    Complete Permit 202206247046 $$$ $165,000
23. Oct 2022

    2nd fl: fire alarm t.i. adding 3 duct detectors with relays, 1 smoke detector, 1 horn-strobe, and 1 strobe to existing notifier nfs-320 fire alarm system.

    Complete Permit 202210194729 $$$ $11,762
24. Oct 2022

    Fl 1 & fl 3: fire alarm ti. adding 3 duct detectors, 3 relay modules, 1 conventional relay, 4 in-duct smoke detectors, 3 horn-strobes & 2 strobes to existing notifiers nfs-320 fire alarm system. ref permit application 202206247046.

    Complete Permit 202210285429 $$$ $14,880

DBI holds 38 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 38. 1 of them are nominal $1 street-space or sidewalk permits.