Updated: Mar 07, 2026
Location and Projects
Address
37530 ENTERPRISE CT STE 2, Newark, CA, 94560
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Fire Stop Plumber
Fire Stop, 37530 Enterprise Ct, Newark, CA (Employees: Curt Ray Carlson, John Buxton Stephenson, and Karen Rachelle Skinner) holds a Fire Protection license and 2 other licenses according to the California license board.
Their BuildZoom score of 111 ranks in the top 4% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Fire Stop, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Fire Stop Services
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Fire Stop Contact Information
Phone Number: (510) 744-1500
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Address: 37530 ENTERPRISE CT STE 2, Newark, CA 94560
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Fire Stop Newark
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Fire Stop has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
35 projects
|
2025 |
|
33 projects
|
2024 |
|
39 projects
|
2023 |
Our building permit records indicate that Fire Stop has worked on at least
107.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
42 projects
|
Commercial Renovations |
|
40 projects
|
Home Additions |
|
85 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Fire Stop mostly works on
plumbing project
and commercial renovation
projects.
Pricing
|
34 projects
|
< $5k |
|
30 projects
|
$5k-$20k |
|
16 projects
|
$20k-$50k |
|
8 projects
|
$50k-$100k |
|
4 projects
|
$100k-$250k |
|
2 projects
|
$250k-$500k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $7,575. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Addition (18) & relocate (22) upright heads. addition (115) & relocate (31) pendent heads. addition (6) dry pendent heads in cold rooms. addition (3) wax coated pendent heads in fume hoods
Valuation:
$143,910
Permit #:
FSP2025-00252
Status:
issued
Fee:
$1,350
Permit Type:
N/A
Building Type:
N/A
Addition 2 fire sprinkler pendent heads for 2 new phone rooms. see b24-3157: tenant improvement for roche molecular to install (2) furniture phone booths in the open office area of the 3rd floor of building 730. phone booths are prefabricated modular furniture units intended for a single office employee to use for private phone or video calls
Valuation:
$5,665
Permit #:
F24-0268
Status:
issued
Fee:
$641
Permit Type:
N/A
Building Type:
N/A
Fire sprinkler tenant improvement - relocate 5 fire sprinkler pendent heads and addition 3 pendent heads.(for construction of four (4) new private offices on the third floor of building 730 where open office space currently exists. scope includes new walls doors and sidelites alteration to existing act ceiling reuse of existing lighting in altered configuration alteration to existing ... see more
Valuation:
$8,745
Permit #:
F24-0127
Status:
issued
Fee:
$699
Permit Type:
N/A
Building Type:
N/A
Fire sprinkler tenant improvement - relocate 5 pendent heads relocate 1 & addition 2 upright heads and addition 1 wax coated head for fume hood (for tenant improvement for roche to remodel existing lab spaces 7204 7208 7209 and 7210. no addition or reduction of lab area square footage. no change in use. mep's included. b23-4250)
Valuation:
$4,450
Permit #:
F24-0038
Status:
final
Fee:
$699
Permit Type:
N/A
Building Type:
N/A
Relocate 31 fire sprinkler pendent heads for new tenant improvement. please note that the areas that say future space had ceilings in them before and we had fire sprinkler drops with pendent heads. now they removed the ceilings in those areas so we removed the drops and replaced with upright protection in those areas
Valuation:
$1,544
Permit #:
PREBLD24-0768
Status:
approved
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Fire sprinklers for tenant improvement - addition 441heads
Valuation:
$379,350
Permit #:
FIR2023-00013
Status:
expired
Fee:
$2,158
Permit Type:
N/A
Building Type:
N/A
Fire sprinkler tenant improvement - relocate 28 heads (for tenant improvement for roche -interior demolish of (e) office space on a level 1 multipurpose room. removed non-load bearing partitions ceiling grid and tile light fixtures finishes remove (2) rated doors frame and hardware. refresh with (n) ceiling grid & tiles; relocating (e) light fixtures (n) millwork (n) rated non-load be... see more
Valuation:
$12,110
Permit #:
F23-0191
Status:
final
Fee:
$1,054
Permit Type:
N/A
Building Type:
N/A
Uploading revised documents to show correct address. address is supposed to be 6755 kaiser drive
Valuation:
N/A
Permit #:
FSP2025-00162-001
Status:
triage
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Relocate 29 & addition 8 fire sprinkler pendent heads. addition 8 fire sprinkler upright heads. install 2 wax coated fire sprinkler pendent heads in fume hoods
Valuation:
$24,650
Permit #:
FSP2023-00075
Status:
final
Fee:
$1,099
Permit Type:
N/A
Building Type:
N/A
Addition 9 concealer pendent heads. addition 13 pendents under ducts
Valuation:
$29,444
Permit #:
F25-0050
Status:
final
Fee:
$1,960
Permit Type:
Sprinkler
Building Type:
N/A
Fire sprinkler tenant improvement and preaction system for gritstone oncology - addition (64) sprinklers
Valuation:
$204,595
Permit #:
F22-0043
Status:
final
Fee:
$2,577
Permit Type:
N/A
Building Type:
N/A
Upgrade existing fire sprinkler systems to esfr. fire stop's p.o.c at the top of existing a.f. fire riser
Valuation:
$1,608,450
Permit #:
FSP2024-00091
Status:
final
Fee:
$4,394
Permit Type:
N/A
Building Type:
N/A
Relocate 27 and addition 1 fire sprinkler pendent heads for tenant improvement. also addition 1 wax coated fire sprinkler pendent head in fume hood
Valuation:
$15,750
Permit #:
FSP2023-00313
Status:
final
Fee:
$436
Permit Type:
N/A
Building Type:
N/A
21-046084 fire scope: overhead sprinklers convert (e) office (area of work on 1st floor = 72, 702 sq ft & 2nd floor = 48, 597 sq ft) to labs and upgrade parking lot with calcs ** issue certiticate of occupancy ** scope of work: a. install new equipment in multiple labs. b. install new rel lab. c. convert (e) office into etching lab sem lam fib v600 room fib lab service chase fault iso... see more
Valuation:
N/A
Permit #:
2022 695672 FE
Status:
issued
Fee:
$2,724
Permit Type:
Fire overhead spr...
Building Type:
N/A
Relocate (41) and addition (4) fire sprinkler pendent heads. addition (4) fire sprinkler upright heads. work is related to building prmt# 2022-05874
Valuation:
N/A
Permit #:
FP-SPK-2023-00084
Status:
complete
Fee:
$1,659
Permit Type:
N/A
Building Type:
N/A
Upgrade fire sprinkler system. addition 190 fire sprinkler upright heads for tenant improvement associated building permit # is bld2022-08403
Valuation:
$106,125
Permit #:
FSP2022-00474
Status:
complete
Fee:
$825
Permit Type:
N/A
Building Type:
N/A
Replace 3 12 gate valves for emergency repair
Valuation:
$49,560
Permit #:
FSP2025-00160
Status:
issued
Fee:
$618
Permit Type:
N/A
Building Type:
N/A
Relocate (5) sprinkler pendent heads for tenant improvement at 1st floor
Valuation:
N/A
Permit #:
FB25-0009
Status:
final
Fee:
$1,461
Permit Type:
Commercial
Building Type:
N/A
Fire scope: new overhead sprinkler system 21-037669 - (sti) (pc) 1st floor1st floor 409 sq ft •demolition: removal of plumbing fixtures finishes accessories and lighting fixtures. •proposed: install non-load bearing walls lighting fixtures plumbing fixtures finishes and lighting. no change to exterior no exterior work
Valuation:
N/A
Permit #:
2021 052522 FE
Status:
complete
Fee:
N/A
Permit Type:
Fire overhead spr...
Building Type:
N/A
20-109916 scope of work: -interior remodel of an (e) bathroom in a male only congregate residence ** for multi family use not commercial use portion of bldg** -exterior accessible parking and path of travel -added dedicated outdoor air unit exhaust fan and controls for 2nd fl bathroom -upgraded heating/cooling system at all 2nd fl east south and west perimeter spaces -replaced (e) ele... see more
Valuation:
N/A
Permit #:
2021 041621 FE
Status:
issued
Fee:
N/A
Permit Type:
Fire overhead spr...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Fire Stop License info
Verified License
| License # | 654769 |
| Status | Active |
| State | California |
| Type | Fire Protection |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Fire Stop at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 501419 |
| Status | Active |
| City | San Juan Capistrano |
| Type | Contractor |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of July, 2007. Check the current license status of Fire Stop with the The City of City of San Juan Capistrano, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 501419 |
| Status | Inactive |
| State | California |
| Type | General Building, Fire Protection |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Fire Stop at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Compwest Insurance Co |
694
Permits
- Building permit records show that Fire Stop has worked on 694 permitted projects.
Fire Stop Employees
CC
Curt Ray Carlson
Sole Owner
JS
John Buxton Stephenson
Sole Owner
KS
Karen Rachelle Skinner
Officer