Curt Carlson & Ken Mcgraw
- Listed as
- contractor, designer
- Firm
- Fire Stop Sprinkler Company
- Based in
- Newark
- On San Francisco permits
- Sep 2002 to Jan 2026
48 permits since 2000 (contractor on 48 permits, designer on 2 permits): 36 completed, 4 in progress, 5 never finaled, 3 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. Their ranked record as a contractor is on their contractor page. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Jan 7, 2026 | In progress issued Jan 2026 | 1600 Jackson St | Fire Stop Sprinkler Company | 1st & 2nd floor. relocate 58 and add 12 sprinkler pendent heads. permit no. 2025.0505.5840 & 2025.0505.5841Details
1st & 2nd floor. relocate 58 and add 12 sprinkler pendent heads. permit no. 2025.0505.5840 & 2025.0505.5841 | $97,554 |
| Oct 1, 2025 | In progress issued Oct 2025 | 100 01st St | Fire Stop Sprinkler Company | 25/fl- relocate 3 pendent headsDetails
25/fl- relocate 3 pendent heads | $7,672 |
| Sep 4, 2025 | Completed final sign-off Sep 2025 | 1155 Battery St | Fire Stop Sprinkler Company | add 4 pendant heads. as built #202507251598Details
add 4 pendant heads. as built #202507251598 | $17,886 |
| Jul 25, 2025 | In progress issued Jul 2025 | 1155 Battery St | Fire Stop Sprinkler Company | replace 6 pendent heads & 37 upright heads ref# 202503263121Details
replace 6 pendent heads & 37 upright heads ref# 202503263121 | $17,886 |
| Jul 25, 2025 | In progress issued Sep 2025 | 1388 Gough St | Fire Stop Sprinkler Company | replace electric fire pump. like for like.Details
replace electric fire pump. like for like. | $84,232 |
| May 13, 2024 | Completed final sign-off Jun 2024 | 2525 03rd St | Fire Stop Sprinkler Company | relocate 5 sprinkler headsDetails
relocate 5 sprinkler heads | $10,000 |
| May 3, 2022 | Completed final sign-off Nov 2025 | 301 Toland St | Fire Stop Sprinkler Company | relocate 5 and add 1 fire sprinkler pendent heads for new full height walls.Details
relocate 5 and add 1 fire sprinkler pendent heads for new full height walls. | $4,250 |
| Jan 28, 2022 | Completed final sign-off Mar 2022 | 455 Mission Bay Blvd South | Fire Stop Sprinkler Company | 4th fl: relocate 14 pendnt heads. bldg #202112033665Details
4th fl: relocate 14 pendnt heads. bldg #202112033665 | $42,750 |
| Nov 3, 2021 | Completed final sign-off Mar 2022 | 1155 Bryant St | Fire Stop Sprinkler Company | 1/f: relocate 23 pendent heads, add 2 dry pendent heads. ref t.i. pa202110180658.Details
1/f: relocate 23 pendent heads, add 2 dry pendent heads. ref t.i. pa202110180658. | $52,250 |
| Nov 3, 2021 | Completed final sign-off Feb 2022 | 301 Toland St | Fire Stop Sprinkler Company | relocate 17 pendent heads. ref t.i 202012030199Details
relocate 17 pendent heads. ref t.i 202012030199 | $8,250 |
| Nov 3, 2021 | Completed final sign-off Nov 2021 | 1700 Owens St | Fire Stop Sprinkler Company | add 1 fume hood to plan & submit as an as built to original pa 2021-0902-7661 per inspector'sn request for finalDetails
add 1 fume hood to plan & submit as an as built to original pa 2021-0902-7661 per inspector'sn request for final | $35,400 |
| Sep 2, 2021 | Completed final sign-off Nov 2021 | 1700 Owens St | Fire Stop Sprinkler Company | 2nd flr - replace 3 pendent heads & add 8 pendent heads for fume hoods. ref 202107164528Details
2nd flr - replace 3 pendent heads & add 8 pendent heads for fume hoods. ref 202107164528 | $35,400 |
| Nov 18, 2020 | Completed final sign-off Dec 2020 | 240 Stockton St | Fire Stop Sprinkler Company | as-builts to an original fire permit # 2020-0822-2436 for basement drawingsDetails
as-builts to an original fire permit # 2020-0822-2436 for basement drawings | |
| Oct 21, 2020 | Completed final sign-off Dec 2020 | 1516 Lombard St | Fire Stop Sprinkler Company | add 4 sprinkler heads in garage area.Details
add 4 sprinkler heads in garage area. | $5,000 |
| Oct 20, 2020 | Completed final sign-off Nov 2020 | 2001 Bryant St | Fire Stop Sprinkler Company | fire sprinkler as built to #2019-1108-6785. bracing location only changed on as built.Details
fire sprinkler as built to #2019-1108-6785. bracing location only changed on as built. | |
| Aug 22, 2020 | Completed final sign-off Dec 2020 | 240 Stockton St | Fire Stop Sprinkler Company | add 1 & relocate 17 pendent heads for basement t.i. ref t.i. pa 201908280118. maher n/a.Details
add 1 & relocate 17 pendent heads for basement t.i. ref t.i. pa 201908280118. maher n/a. | $8,500 |
| Nov 8, 2019 | Completed final sign-off Dec 2020 | 240 Stockton St | Fire Stop Sprinkler Company | fire sprinklers on 2nd fl: relocate (41) pendent heads for new ceilings. "gucci"Details
fire sprinklers on 2nd fl: relocate (41) pendent heads for new ceilings. "gucci" | $10,000 |
| Nov 8, 2019 | Never finaled issued Jan 2020, no final | 2001 Bryant St | Fire Stop Sprinkler Company | fire sprinklers: add 77 & relocate 40 pendent heads for new wall layout. ref pa #201811024890.Details
fire sprinklers: add 77 & relocate 40 pendent heads for new wall layout. ref pa #201811024890. | $15,000 |
| Sep 13, 2019 | Completed final sign-off Nov 2019 | 2130 Fulton St | Fire Stop Sprinkler Company | ref pa# 201906123231; relocate 12 pendents sprinlers heads for new wall layoutDetails
ref pa# 201906123231; relocate 12 pendents sprinlers heads for new wall layout | $5,000 |
| Aug 2, 2019 | Completed final sign-off Oct 2019 | 240 Stockton St | Fire Stop Sprinkler Company | 2/f: relocate 26 pendent fire sprinkler heads for new layout due to t.i. ref pa201903135132. maher n/aDetails
2/f: relocate 26 pendent fire sprinkler heads for new layout due to t.i. ref pa201903135132. maher n/a | $10,000 |
| May 16, 2019 | Never finaled issued May 2019, no final | 455 Dolores St | Fire Stop Sprinkler Company | add one pendent sprinkler head for new ceiling layoutDetails
add one pendent sprinkler head for new ceiling layout | $3,500 |
| May 16, 2019 | Completed final sign-off Aug 2019 | 75 Hawthorne St | Fire Stop Sprinkler Company | ti - relocate 74 pendent sprinkler heads for the new 4th floor layoutDetails
ti - relocate 74 pendent sprinkler heads for the new 4th floor layout | $25,000 |
| Feb 12, 2019 | Completed final sign-off Feb 2019 | 361 Brannan St | Fire Stop Sprinkler Company | relocation of fire sprinkler heads for new office layoutDetails
relocation of fire sprinkler heads for new office layout | $3,500 |
| Jul 24, 2018 | Completed final sign-off Apr 2019 | 2130 Fulton St | Fire Stop Sprinkler Company | f/s: basement add 2 pendent sprinkler heads in locker room. ref #201803193982. n/a for maher.Details
f/s: basement add 2 pendent sprinkler heads in locker room. ref #201803193982. n/a for maher. | $3,000 |
| Oct 6, 2017 | Completed final sign-off Dec 2017 | 455 Mission Bay Blvd South | Fire Stop Sprinkler Company | as built for 3 sprinkler pendents being relocated to pa#201708043903. n/a ordinance #155-13Details
as built for 3 sprinkler pendents being relocated to pa#201708043903. n/a ordinance #155-13 | |
| Aug 4, 2017 | Completed final sign-off Oct 2017 | 455 Mission Bay Blvd South | Fire Stop Sprinkler Company | 1st and 3rd floor: t.i. fire sprinkler to relocate 5 pendent heads. 1st floor ref app#201707172015 and 3rd floor ref app#201706290676.Details
1st and 3rd floor: t.i. fire sprinkler to relocate 5 pendent heads. 1st floor ref app#201707172015 and 3rd floor ref app#201706290676. | $7,000 |
| Jan 20, 2017 | Completed final sign-off Jun 2017 | 455 Mission Bay Blvd South | Fire Stop Sprinkler Company | 2nd floor fire sprinkler t.i. - relocate 8 pendent heads & add one upright head. ref pa #201610059559. n/a maher ordinanceDetails
2nd floor fire sprinkler t.i. - relocate 8 pendent heads & add one upright head. ref pa #201610059559. n/a maher ordinance | $10,975 |
| Aug 17, 2012 | Completed final sign-off Aug 2012 | 540 Barneveld Av | Fire Stop Sprinkler Company | unit c - add sprinklers/modify system to cover new manufacturing area as well as add coverage inside chiller. total estimated heads at 15.Details
unit c - add sprinklers/modify system to cover new manufacturing area as well as add coverage inside chiller. total estimated heads at 15. | $5,000 |
| Aug 15, 2011 | Completed final sign-off Jan 2012 | 2 Stockton St | Fire Stop Sprinkler Company | partial 1st/2nd/3rd/4th floors-add relo fire sprinklers for new tenant-forever 21. arch pa# 2011-0125-8959. 442 sprinklers totalDetails
partial 1st/2nd/3rd/4th floors-add relo fire sprinklers for new tenant-forever 21. arch pa# 2011-0125-8959. 442 sprinklers total | $195,000 |
| Nov 16, 2010 | Completed final sign-off Nov 2010 | 370 04th St | Fire Stop Sprinkler Company | fire sprinkler add 4 ssu; relocate 1 ssuDetails
fire sprinkler add 4 ssu; relocate 1 ssu | $3,500 |
| Nov 16, 2010 | Completed final sign-off Feb 2011 | 2226 Fillmore St | Fire Stop Sprinkler Company | add 8 fire sprinkler hds; relocate 1 fire sprinkler hdDetails
add 8 fire sprinkler hds; relocate 1 fire sprinkler hd | $4,000 |
| Aug 24, 2009 | Completed final sign-off Dec 2009 | 3251 20th Av | Fire Stop Sprinkler Company | relocate 103 fire sprinkler heads on 1st fl- earthquake bracing on main- line restraintsDetails
relocate 103 fire sprinkler heads on 1st fl- earthquake bracing on main- line restraints | $17,500 |
| Oct 14, 2008 | Completed final sign-off Feb 2009 | 224 Grant Av | Fire Stop Sprinkler Company | 1st floor relocate 26 pendant heads.Details
1st floor relocate 26 pendant heads. | $4,000 |
| Sep 29, 2008 | Completed final sign-off Nov 2008 | 1400 Van Ness Av | Fire Stop Sprinkler Company | 1st floor-add 10 pendent sprinkler headsDetails
1st floor-add 10 pendent sprinkler heads | $3,800 |
| Apr 4, 2008 | Expired or cancelled expired Aug 2009 | 370 04th St | Fire Stop Sprinkler Company | install 25 sprinkler heads 23- pendents heads & 2 uprights heads.Details
install 25 sprinkler heads 23- pendents heads & 2 uprights heads. | $3,650 |
| Mar 25, 2008 | Completed final sign-off Nov 2008 | 370 04th St | Fire Stop Sprinkler Company | install new fire sprinkler system, 52 heads on 1st floor & 38 heads on 2nd floor for existing office/retail bldg.Details
install new fire sprinkler system, 52 heads on 1st floor & 38 heads on 2nd floor for existing office/retail bldg. | $50,000 |
| May 22, 2007 | Never finaled issued May 2007, no final | 2761 Geary Bl | Fire Stop Sprinkler Company | relocate 2 fire sprinkler heads.Details
relocate 2 fire sprinkler heads. | $3,400 |
| Mar 30, 2007 | Completed final sign-off May 2007 | 2761 Geary Bl | Fire Stop Sprinkler Company | fire sprinkler - add 4, relocate 8, total 12.Details
fire sprinkler - add 4, relocate 8, total 12. | $3,600 |
| Oct 17, 2006 | Completed final sign-off Nov 2006 | 3251 20th Av | Fire Stop Sprinkler Company | demo existing pendent sprinkler heads due to removal of existing suspended ceiling. 15 remove, 7 relocate, 3 add.Details
demo existing pendent sprinkler heads due to removal of existing suspended ceiling. 15 remove, 7 relocate, 3 add. | $5,000 |
| Feb 20, 2004 | Never finaled issued Feb 2004, no final | 3251 20th Av | Fire Stop Sprinkler Company | relocate 62 fire sprinkler headsDetails
relocate 62 fire sprinkler heads | $7,000 |
| Dec 17, 2003 | Never finaled issued Jan 2004, no final | 625 Polk St | Fire Stop Sprinkler Company | install sprinkler system on the ground floor - 85 headsDetails
install sprinkler system on the ground floor - 85 heads | $20,000 |
| Aug 7, 2003 | Completed final sign-off Nov 2003 | 55 02nd St | Fire Stop Sprinkler Company | installing 20 sprinkler headsDetails
installing 20 sprinkler heads | $3,000 |
| Apr 4, 2003 | Expired or cancelled cancelled Apr 2004 | 610 Polk St | Fire Stop Sprinkler Company | install new fire sprinkler system on entire bldg per sro ordinance 170-02Details
install new fire sprinkler system on entire bldg per sro ordinance 170-02 | $91,600 |
| Apr 3, 2003 | Completed final sign-off May 2003 | 625 Polk St | Fire Stop Sprinkler Company | install new 2nd floor sprinkler total of 87 heads, firepump under peparate permitDetails
install new 2nd floor sprinkler total of 87 heads, firepump under peparate permit | $40,000 |
| Jan 16, 2003 | Completed final sign-off Apr 2003 | 625 Polk St | Fire Stop Sprinkler Company | fire sprinkler for 412 & 419 kitchens 26 headsDetails
fire sprinkler for 412 & 419 kitchens 26 heads | $6,700 |
| Sep 16, 2002 | Completed final sign-off Feb 2003 | 625 Polk St | Fire Stop Sprinkler Company | sprinkler heads onlyDetails
sprinkler heads only | $4,000 |
| Sep 13, 2002 | Expired or cancelled cancelled Mar 2003 | 466 Townsend St | Fire Stop Sprinkler Company | re-pipe fire sprinkler system 2nd to 3rd floor.Details
re-pipe fire sprinkler system 2nd to 3rd floor. | $56,000 |
| Sep 9, 2002 | Completed final sign-off Sep 2002 | 625 Polk St | Fire Stop Sprinkler Company | 20 sprinkler in new 410 kitchenDetails
20 sprinkler in new 410 kitchen | $3,500 |