Block 3748, lot 001
405 Folsom St
- City’s use
- Industrial
- Built
- 1900
- Lot
- 11,247 sq ft
- Zoning
- RC4
- Construction type
- NA
From the assessor's latest secured roll, which can lag recent work. Lot plans, zoning and planning history on the city’s Property Information Map
Permits filed here
41 permits filed for this property since 2000.
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Apr 15, 2026 | Completed final sign-off Aug 2026 | 405 Folsom St | Enterprise Roofing Service Inc | reroofing no hot work. crrc #0628-0028Details
reroofing no hot work. crrc #0628-0028 | $407,463 |
| Sep 10, 2021 | Completed final sign-off Oct 2022 | 405 Folsom St | Cosco Fire Protection Inc. | demo (e) deluge systems protecting t8 1/11 design and install new system protecting (n) transfomer 1 and (e) transformer 11Details
demo (e) deluge systems protecting t8 1/11 design and install new system protecting (n) transfomer 1 and (e) transformer 11 | $130,000 |
| Jul 12, 2021 | Completed final sign-off Sep 2021 | 405 Folsom St | Cosco Fire Protection Inc. | adding f500 tank and tamper switch monitoring point into the existing fire alarm system.Details
adding f500 tank and tamper switch monitoring point into the existing fire alarm system. | $20,000 |
| Jun 22, 2021 | Completed final sign-off Oct 2022 | 405 Folsom St | Cosco Fire Protection Inc. | demo existing fire alarm devices within bank 1-11 space and re-install full heat detector add hvac duct smoke detection monitoring & hvac shutdown and audio/visual coverage once transformer is installed.Details
demo existing fire alarm devices within bank 1-11 space and re-install full heat detector add hvac duct smoke detection monitoring & hvac shutdown and audio/visual coverage once transformer is installed. | $161,080 |
| Oct 3, 2019 | Completed final sign-off Mar 2020 | 405 Folsom St | Cosco Fire Protection Inc. | as built of demo of (e) deluge system for removal & replacement of tb-15 & 5 system designed at .30 gpm/sq ft over transformer surface & 0.15 gpm/sq ft over floor ref pa 2019-0425-8880Details
as built of demo of (e) deluge system for removal & replacement of tb-15 & 5 system designed at .30 gpm/sq ft over transformer surface & 0.15 gpm/sq ft over floor ref pa 2019-0425-8880 | |
| Sep 27, 2019 | Completed final sign-off Nov 2019 | 405 Folsom St | Cosco Fire Protection Inc. | provide design, permit, parts, labor associated to 4 new vfd fan units to interface with existing fa system & shut down upon alarm activationDetails
provide design, permit, parts, labor associated to 4 new vfd fan units to interface with existing fa system & shut down upon alarm activation | $95,500 |
| Jun 7, 2019 | Completed final sign-off Sep 2019 | 405 Folsom St | Cosco Fire Protection Inc. | install new conduit & 4 new h/d (replacing exist) h/d to exist bldg.Details
install new conduit & 4 new h/d (replacing exist) h/d to exist bldg. | $50,930 |
| May 15, 2019 | Never finaled issued Jun 2019, no final | 405 Folsom St | street spaceDetails
street space | ||
| Apr 25, 2019 | Completed final sign-off Oct 2022 | 405 Folsom St | Cosco Fire Protection Inc. | demolish (e) deluge protection for system protecting tb 5 & 15. design & install (n) deluge system protecting tb 5 & 15 from (e) single feed supplied w/ f-500 encapsulating agent. system designed at 0.30 gpm/sq ft over transformer surface & 0.15 gpm/sq ft over floor area.Details
demolish (e) deluge protection for system protecting tb 5 & 15. design & install (n) deluge system protecting tb 5 & 15 from (e) single feed supplied w/ f-500 encapsulating agent. system designed at 0.30 gpm/sq ft over transformer surface & 0.15 gpm/sq ft over floor area. | $65,780 |
| Dec 19, 2018 | Never finaled issued Dec 2018, no final | 405 Folsom St | street spaceDetails
street space | ||
| Jun 13, 2018 | Never finaled issued Jun 2018, no final | 405 Folsom St | street space w/mtaDetails
street space w/mta | ||
| May 30, 2018 | Never finaled filed May 2018, never issued | 405 Folsom St | street spaceDetails
street space | ||
| May 22, 2018 | Never finaled issued Oct 2018, no final | 405 Folsom St | Cosco Fire Protection Inc. | replace (e) transformer deluge system piping and install new piping to match new transformerDetails
replace (e) transformer deluge system piping and install new piping to match new transformer | $129,430 |
| Dec 8, 2017 | Never finaled issued Dec 2017, no final | 405 Folsom St | streetspaceDetails
streetspace | ||
| Jun 14, 2017 | Never finaled issued Jun 2017, no final | 405 Folsom St | street space/mta metersDetails
street space/mta meters | ||
| May 15, 2017 | Completed final sign-off Jan 2018 | 405 Folsom St | Cosco Fire Protection Inc. | 1/f #tb1 & 11- remove existing deluge system piping for transformer maintenance, restore system after maintenance is complete, replace (e) heat detections system with pneumatic detection (pilot line)Details
1/f #tb1 & 11- remove existing deluge system piping for transformer maintenance, restore system after maintenance is complete, replace (e) heat detections system with pneumatic detection (pilot line) | $139,307 |
| May 15, 2017 | Completed final sign-off Oct 2017 | 405 Folsom St | Cosco Fire Protection Inc. | 1/f #tb1 & 11- demolition of (e) deluge detection system protecting tb1 & 11Details
1/f #tb1 & 11- demolition of (e) deluge detection system protecting tb1 & 11 | $9,300 |
| Feb 24, 2017 | Completed final sign-off Dec 2017 | 405 Folsom St | Cosco Fire Protection Inc. | remove the existing fire supression system piping in hz-2Details
remove the existing fire supression system piping in hz-2 | $13,428 |
| Feb 24, 2017 | Completed final sign-off Jan 2018 | 405 Folsom St | Cosco Fire Protection Inc. | demolition of (e) deluge detecting system protecting cb202Details
demolition of (e) deluge detecting system protecting cb202 | $14,508 |
| Feb 24, 2017 | Completed final sign-off Jul 2017 | 405 Folsom St | Cosco Fire Protection Inc. | demolition of the (e) deluge detection system protecting hz2Details
demolition of the (e) deluge detection system protecting hz2 | $14,508 |
| Feb 24, 2017 | Completed final sign-off Jun 2017 | 405 Folsom St | Cosco Fire Protection Inc. | temporarily remove (e) deluge piping at tb2 & 12 for transformer maintenance. restore system after maintenance is complete. remove the (e) fire supression system piping in ocb 202Details
temporarily remove (e) deluge piping at tb2 & 12 for transformer maintenance. restore system after maintenance is complete. remove the (e) fire supression system piping in ocb 202 | $68,328 |
| Dec 12, 2016 | Never finaled issued Dec 2016, no final | 405 Folsom St | street spaceDetails
street space | ||
| Nov 29, 2016 | Never finaled filed Nov 2016, never issued | 405 Folsom St | street space w/mtaDetails
street space w/mta | ||
| Sep 13, 2016 | Completed final sign-off Sep 2016 | 405 Folsom St | Cosco Fire Protection Inc. | as built - previsous pa #201509156968 - minor change & relocation of devices.Details
as built - previsous pa #201509156968 - minor change & relocation of devices. | |
| May 17, 2016 | Never finaled issued Jun 2016, no final | 405 Folsom St | street space permit and mtaDetails
street space permit and mta | ||
| Nov 24, 2015 | Never finaled issued Nov 2015, no final | 405 Folsom St | street spaceDetails
street space | ||
| Sep 15, 2015 | Completed final sign-off Sep 2016 | 405 Folsom St | Cosco Fire Protection Inc. | expand fire alarm system to monitor the new sprinkler deluge systemDetails
expand fire alarm system to monitor the new sprinkler deluge system | $25,000 |
| Jul 22, 2015 | Completed final sign-off Aug 2016 | 405 Folsom St | Cosco Fire Protection Inc. | relocate e valves in basement. install f500 system consisting of 900 gal bladder tank, concentrate line, modify piping at sw corner of bldg for new oil containment areaDetails
relocate e valves in basement. install f500 system consisting of 900 gal bladder tank, concentrate line, modify piping at sw corner of bldg for new oil containment area | $180,000 |
| May 28, 2015 | Never finaled issued May 2015, no final | 405 Folsom St | street spaceDetails
street space | ||
| Dec 2, 2014 | Never finaled issued Dec 2014, no final | 405 Folsom St | street spaceDetails
street space | ||
| Aug 21, 2014 | Completed final sign-off Dec 2015 | 405 Folsom St | Cosco Fire Protection Inc. | cosco to design & expand fire alarm system to cover the scope work. remove (e) fan control, install (n) fan control in lobby. interface fan control w/ fire alarm system. remove (e) graphic annuciator & install (n) touch graphic annunciator in lobby. upgrade elevator recall system.Details
cosco to design & expand fire alarm system to cover the scope work. remove (e) fan control, install (n) fan control in lobby. interface fan control w/ fire alarm system. remove (e) graphic annuciator & install (n) touch graphic annunciator in lobby. upgrade elevator recall system. | $550,000 |
| Jul 25, 2014 | Never finaled filed Jul 2014, never issued | 405 Folsom St | street spaceDetails
street space | ||
| Feb 26, 2014 | Completed final sign-off Jul 2014 | 405 Folsom St | construction partition wall between transformer 2 & 12 to protect them, the wall will be 20' height, 17 long & 1' wide - pre cast refinforced refactory concrete panels & columns wiht the top being supported to the wall with steel bracings.Details
construction partition wall between transformer 2 & 12 to protect them, the wall will be 20' height, 17 long & 1' wide - pre cast refinforced refactory concrete panels & columns wiht the top being supported to the wall with steel bracings. | $100,000 | |
| Feb 6, 2014 | Completed final sign-off Jul 2014 | 405 Folsom St | Cosco Fire Protection Inc. | demo (e) tb2 & tb12 deluge system & (e) valve, demo (e) backflow prev & strainer. install new main shutoff valve in stairwell by entry. install new piping in bank tb2 & tb12 with wet pilot system, install new backflow & striners, install new tb2 & 12 deluge valve. install 4 new duct detectors, 5 newDetails
demo (e) tb2 & tb12 deluge system & (e) valve, demo (e) backflow prev & strainer. install new main shutoff valve in stairwell by entry. install new piping in bank tb2 & tb12 with wet pilot system, install new backflow & striners, install new tb2 & 12 deluge valve. install 4 new duct detectors, 5 new | $209,656 |
| Jan 16, 2014 | Never finaled issued Jan 2014, no final | 405 Folsom St | street space and mtaDetails
street space and mta | ||
| Aug 12, 2013 | Never finaled issued Aug 2013, no final | 405 Folsom St | street spaceDetails
street space | ||
| Apr 19, 2012 | Completed final sign-off May 2012 | 405 Folsom St | Cosco Fire Protection Inc. | demo (e) deluge system in bank 3 to re-install to accommodate new transformer on the 1st flr. modify bank 13 and replace after blast wall has been installed. (total 36 spray nozzles) install detection system for bank 3.Details
demo (e) deluge system in bank 3 to re-install to accommodate new transformer on the 1st flr. modify bank 13 and replace after blast wall has been installed. (total 36 spray nozzles) install detection system for bank 3. | $61,868 |
| May 4, 2011 | Expired or cancelled expired Oct 2013 | 405 Folsom St | pg&e is installing two fire resistant partition walls between the existing transformers on the 1st floorDetails
pg&e is installing two fire resistant partition walls between the existing transformers on the 1st floor | $60,000 | |
| Nov 15, 2007 | Never finaled issued Mar 2008, no final | 405 Folsom St | Cosco Fire Protection Inc. | an intelligent nfs 640-2 control apnel with (1) graphic annunciator panel. the system will include (31) smokes, (9) beam detectors, (2) pull stations, (18) dual monitor modules, (6) control modules, (1) monitor module for existing deluge & wet sprinkler systems, (2) weatherproof horn/strobes.Details
an intelligent nfs 640-2 control apnel with (1) graphic annunciator panel. the system will include (31) smokes, (9) beam detectors, (2) pull stations, (18) dual monitor modules, (6) control modules, (1) monitor module for existing deluge & wet sprinkler systems, (2) weatherproof horn/strobes. | $122,542 |
| Oct 4, 2005 | Expired or cancelled expired Mar 2007 | 405 Folsom St | Star Roofing Co | reroofingDetails
reroofing | $3,000 |
| Oct 4, 2000 | Expired or cancelled expired Nov 2002 | 405 Folsom St | Scott Co Of California | alter existing wet fire sprinkler system at (basement) new ventilation rms (2ea), install n/direct iDetails
alter existing wet fire sprinkler system at (basement) new ventilation rms (2ea), install n/direct i | $198,000 |
Who worked here
Everyone with a license on these permits, by role, with how many permits each is on.
- Contractors
- Cosco Fire Protection Inc. (21), Enterprise Roofing Service Inc, Scott Co Of California, Star Roofing Co
- Engineers
- Cheng-Jung Chang, Jill Stout
Find contractors for work like this
Starts from the last permit filed here; change it to describe your own project. Results cover every building: the city does not class this parcel as single-family, two-family or apartments.