Updated: May 13, 2026
Location and Projects
Address
5555 WESTGATE RD NW, Silverdale, WA, 98383
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Stirett Johnsen Plumber
Stirett Johnsen Inc, 5555 Westgate Rd NW, Silverdale, WA (Owned by: Mark Niebuhr) holds a Plumbing Contractor, Journey Level license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 110 ranks in the top 4% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Stirett Johnsen Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Stirett Johnsen Inc Services
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Stirett Johnsen Inc Contact Information
Phone Number: (606) 926-1280
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Address: 5555 WESTGATE RD NW, Silverdale, WA 98383
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Stirett Johnsen Inc Silverdale
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Stirett Johnsen Inc has a BuildZoom score of 110, which places them above 96% of 128,670 contractors in Washington.
Activity
|
12 projects
|
2025 |
|
10 projects
|
2024 |
|
9 projects
|
2023 |
Our building permit records indicate that Stirett Johnsen Inc has worked on at least
31.0 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
|
4 projects
|
Home Additions |
|
3 projects
|
Commercial Renovations |
|
3 projects
|
New Constructions |
|
24 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Stirett Johnsen Inc mostly works on
plumbing project
and home addition
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
2 projects
|
$50k-$100k |
|
2 projects
|
$250k-$500k |
|
5 projects
|
$500k-$1mil |
|
4 projects
|
$1mil+ |
The typical size of their permits is approximately $598,469. 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.
Demolish existing fixtures. on level one update the restrooms and where new drain connections are needed for existing sinks/floor drains. at new administration location addition in new all-gender restroom. in the basement update plumbing at mechanical room. at the new classrooms addition in plumbing connections for new classrooms sinks and addition plumbing revision connections for re... see more
Valuation:
$445,000
Permit #:
PLMBC25-0164
Status:
issued
Fee:
$1,769
Permit Type:
Remodel
Building Type:
N/A
This permit covers the plumbing scope associated with the renovation and expansion of an existing catheterization laboratory preparation and recovery suite. main permit # is bldca22-0238 and mechanical permit is mech22-0218. project scope includes the addition of 7 phase ii bays a treatment room clean and soiled utility rooms and a nurse station with meds linen and nourishment alcoves... see more
Valuation:
$758,500
Permit #:
PLMBC22-0169
Status:
final
Fee:
$2,029
Permit Type:
Remodel
Building Type:
N/A
Provide plumbing and medical gas services for the level 1 tenant improvement buildout. **06/26/25: level 3 tenant improvement plumbing fixtures and plans added to scope** **07/01/25: level 2 tenant improvement plumbing fixtures added to scope**
Valuation:
$2,256,392
Permit #:
PLMBC25-0100
Status:
issued
Fee:
$2,862
Permit Type:
Remodel
Building Type:
N/A
22 320 sf renovation of recent addition on levels 2 and 3 of existing 3 story medical office building. building out of medical office including tacoma family medicine (tfm) on level 2 and ob access clinic (obac) and graduate medical education (gme) on level 3
Valuation:
$506,051
Permit #:
PLMBC23-0221
Status:
final
Fee:
$2,648
Permit Type:
Remodel
Building Type:
N/A
Type: plumbing non-residential class: alteration to structure or system dshs (bnr25-05510): a new kitchenette sink and restroom which will require new w&v and domestic water plumbing services that will be pulled from the existing systems in the building
Valuation:
N/A
Permit #:
PNR25-06368
Status:
issued
Fee:
$944
Permit Type:
N/A
Building Type:
N/A
Update mechanical systems within jennie reed elementary school. approved building permit #bldca25-0062
Valuation:
$2,420,000
Permit #:
MECHC25-0160
Status:
issued
Fee:
$12,622
Permit Type:
Remodel
Building Type:
N/A
Cut/cap and buildout tenant improvement in existing 100 000 sf building. l1 and l2 will not be remodeld. l3 and l4 are largely reworked. includes domestic water and waste with minimal modifications to existing rainleader system
Valuation:
$450,000
Permit #:
PLMBC23-0153
Status:
final
Fee:
$1,108
Permit Type:
Remodel
Building Type:
N/A
Provide plumbing services for the level 3 tenant improvement buildout
Valuation:
$598,469
Permit #:
PLMBC25-0170
Status:
approved
Fee:
$1,598
Permit Type:
New
Building Type:
N/A
Provide plumbing services for the level 2 tenant improvement buildout
Valuation:
$611,502
Permit #:
PLMBC25-0169
Status:
approved
Fee:
$2,689
Permit Type:
New
Building Type:
N/A
Installation of (30) plumbing fixtures at multicare health system ***reviewed under bldcn23-0081*** (23) floor drain-(1) sumps with pump (4) other (1)other - sand oil interceptor hose bib
Valuation:
$568,600
Permit #:
PLMBC25-0257
Status:
issued
Fee:
$703
Permit Type:
New
Building Type:
N/A
Groundwork plumbing (4 inspections) reviewed and approved under bldcn23-0019. (layton building permit #bldcn23-0019 already completed plumbing review.)
Valuation:
$16,915,593
Permit #:
PLMBC23-0296
Status:
issued
Fee:
$565
Permit Type:
New
Building Type:
N/A
Install new medical o2 manifold in mary bridge west (mbw) and seperate building from bulk o2 tank located near tacoma general (tg) boiler plant. install new medical o2 manifold expansion in baker center
Valuation:
$98,000
Permit #:
PLMBC23-0059
Status:
expired
Fee:
$218
Permit Type:
Remodel
Building Type:
N/A
Above ground plumbing at mary bridge children's hospital. approved under bldcn23-0073
Valuation:
$16,915,593
Permit #:
PLMBC24-0003
Status:
issued
Fee:
$14,268
Permit Type:
New
Building Type:
N/A
Addition of hub drains and roof drains in generator building mary bridge children's hospital associated with building permit bldcn24-0023
Valuation:
$16,134
Permit #:
PLMBC25-0089
Status:
final
Fee:
$264
Permit Type:
New
Building Type:
N/A
Replacement of an existing oxygen manifold that is failing. this project needs to be accomplished as soon as possible
Valuation:
N/A
Permit #:
25 100049 BO
Status:
final
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Plumbing review and work conducted under bldcn23-0080
Valuation:
$531,600
Permit #:
PLMBC24-0177
Status:
issued
Fee:
$757
Permit Type:
New
Building Type:
N/A
Covid testing lab that includes hand wash sinks lab sinks emergency eyewashes & emergency showers single use restroom floor drains electric water heaters and backflow prevention devices
Valuation:
$469,700
Permit #:
P21005850
Status:
complete
Fee:
$711
Permit Type:
N/A
Building Type:
N/A
Storm piping and catch basins associated with building permit 21-5298. the purpose is to upgrade the cooling tower system by building out a new pump house room and replacing the current cooling towers with new cooling towers
Valuation:
N/A
Permit #:
REFERENCE-22-0008
Status:
plancheck
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Replacement of domestic water booster pump that includes the installation of a new hydro pneumatic tank
Valuation:
$99,700
Permit #:
7050155-BP
Status:
complete
Fee:
$199
Permit Type:
N/A
Building Type:
Commercial
Type: plumbing non residential class: alteration to structure or system, , northwest kidney center-(bnr21-02887) addition of new dialysis stations relocation of 2 bathrooms and additional support services a (nonresidential alteration) project installing (toilet; bathroom sink; sink; floor drain; medical gas outlet; piping - dwv; floor sink; plumbing fixtures per plans; water line re-p... see more
Valuation:
N/A
Permit #:
PNR21-02889
Status:
final
Fee:
$2,445
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Stirett Johnsen Inc License info
Verified License
| License # | STIRRI*791NE |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Stirett Johnsen Inc at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | STIRRI*791NE |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Stirett Johnsen Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | STIRRJ*281B6 |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Stirett Johnsen Inc with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | STIRRJ 281B6 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, General |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of May, 2018. Check the current license status of Stirett Johnsen Inc with the Washington State Department of Labor & Industries
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | PLB-C-11661 |
| Status | Active |
| State | Idaho |
| Type | Plumbing Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2015. Check the current license status of Stirett Johnsen Inc with the Idaho Division of Building Safety
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 016309 |
| Status | Inactive |
| State | Idaho |
| Type | Plumbing |
| Business Type | Corporation |
- According to the Idaho Division of Building Safety, 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 Stirett Johnsen Inc at the Idaho Division of Building Safety.
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | National Fire Ins Of Hartford |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Hartford Fire Ins Co |
| Bond Value | $12,000 |
171
Permits
- Building permit records show that Stirett Johnsen Inc has worked on 171 permitted projects.
Stirett Johnsen Inc Employees
AC
Atkinson, David Clayton
Owner
BS
Brian Sullivan
Member
DA
David Atkinson
Member
GC
Gerald Carollo
JM
John Mullins
Member
MN
Mark Niebuhr
Owner
MT
Mullins, John Thomas
Owner
NS
Niles Stirrett
Member
SS
Steve Stirett
President
SS
Steven Stirrett
Member
SL
STIRETT, STEVEN LEE
President
SA
Stirrett, Lee A
SS
SULLIVAN, BRIAN SEAN
Vice President
SS
SULLIVAN, STEPHEN
Member
TC
Tyler Cowgill
Member