Updated: Apr 20, 2026
Location and Projects
Address
18109 NE 102ND CT, Redmond, WA, 98052
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Moss Bay Plumbing Limited
Moss Bay Plumbing Limited, 18109 NE 102nd Ct, Redmond, WA (Owned by: Knapik, Brian John) holds a Plumbing Contractor, Journey Level license and 5 other licenses according to the Tukwila license board.
Their BuildZoom score of 108 ranks in the top 5% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Moss Bay Plumbing Limited, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Moss Bay Plumbing Limited Services
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Moss Bay Plumbing Limited Contact Information
Phone Number: (425) 868-8446
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Address: 18109 NE 102ND CT, Redmond, WA 98052
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Moss Bay Plumbing Limited Redmond
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Moss Bay Plumbing Limited has a BuildZoom score of 108, which places them above 95% of 128,670 contractors in Washington.
Activity
|
5 projects
|
2025 |
|
6 projects
|
2024 |
|
10 projects
|
2023 |
Our building permit records indicate that Moss Bay Plumbing Limited has worked on at least
21.0 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
|
21 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Moss Bay Plumbing Limited mostly works on
plumbing project
projects.
Pricing
|
3 projects
|
$5k-$20k |
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.
Building Permits by Moss Bay Plumbing Limited
This is a sample of this contractor's permits. Click here to access their complete permit history.
Home depot|when submitting an application please ensure you have attached all required documents.|certification: by using this portal to apply for permits i certify i am the owner of the property or the owner's authorized agent. if acting as an authorized agent i further certify that i have full power and authority to file this application and to perform on behalf of the owner all act... see more
Valuation:
N/A
Permit #:
PG23-0051
Status:
final
Fee:
$164
Permit Type:
Non-residential
Building Type:
N/A
Unit 102_ (1) drinking fountain (1) sink kitchen- rough in and install hilo drinking fountain with bottle filler. install break room sink on existing plumbing- 2021 upc
Valuation:
$6,000
Permit #:
PLUM-2025-04564
Status:
final
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
Unit 102_ (1) drinking fountain (1) sink kitchen- rough in and install hilo drinking fountain with bottle filler. install break room sink on existing plumbing- 2021 upc
Valuation:
$6,000
Permit #:
PLUM-2025-04564
Status:
final
Fee:
$238
Permit Type:
N/A
Building Type:
N/A
2021 upc - (1) drinking fountain - rough in and intall drinking fountain. run vent 10 to existing vent through roof. run drain to existing 4 drain line in floor. run 1/2 water line to 3/4 ceiling
Valuation:
$5,000
Permit #:
PLUM-2024-02830
Status:
final
Fee:
$172
Permit Type:
N/A
Building Type:
N/A
Type: plumbing multifamily class: alteration to structure or system, , white (unit 301): a project installing 2 toilet; 2 bathroom sink; 1 dishwasher; 2 shower tub or combo; 1 bar sink; kitchen sink
Valuation:
N/A
Permit #:
PMF24-01359
Status:
final
Fee:
$199
Permit Type:
N/A
Building Type:
N/A
The existing 10 dcva shall be replaced with dcda. the dcda shall be installed exterior to the building per cor standard. plan 360.5. installation locations interior to the building shall be approved by the water utility
Valuation:
$30,000
Permit #:
P22000321
Status:
complete
Fee:
$97
Permit Type:
N/A
Building Type:
N/A
Physical rehab network: rough in and install 2 toilets 2 lav 1 drinking fountain 2 sinks. (1) drinking fountain + (2) bathroom sinks + (2) kitchen sinks + (2) toilets - 2018 upc
Valuation:
$20,000
Permit #:
PLUM-2022-00780
Status:
issued
Fee:
$353
Permit Type:
N/A
Building Type:
N/A
Physical rehab network: rough in and install 2 toilets 2 lav 1 drinking fountain 2 sinks. (1) drinking fountain + (2) bathroom sinks + (2) kitchen sinks + (2) toilets - 2018 upc
Valuation:
$20,000
Permit #:
PLUM-2022-00780
Status:
final
Fee:
$353
Permit Type:
N/A
Building Type:
N/A
Russian school of mathematics - change of occupancy from b to e - 2015 upc - rough in and install 2 ada restrooms and 1 hilo drinking fountain with bottle filler. customer paid for (1) drinking fountain (2) floor sinks (2) toilets
Valuation:
$15,000
Permit #:
PLUM-2021-00663
Status:
final
Fee:
$268
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential class: alteration to structure or system, , little hearts daycare-(re:bnr20-01731) suite 150-rough in and install 6 toilets 5 sinks 2 kitchen sinks 2 floor drains 1 drinking fountain
Valuation:
N/A
Permit #:
PNR20-08104
Status:
final
Fee:
$514
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure none project involving (2 sink 1 clothes washer 1 laundry sink)
Valuation:
N/A
Permit #:
23 108572 BN
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential - pnr class: alteration to structure or system, , totem lake children's academy: rough in and install 1 breakroom sink 1 bathroom sink 2 tiny tot toilets 2 sinks in class room. there has been 2 sinks in the class room that have been deleted. 1 floor drain in bathroom. we are tying into existing hot water
Valuation:
N/A
Permit #:
PNR19-09353
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
A single family condo unit alteration to existing structure none project involving (1 toilet 1 bathroom sink 1 clothes washer 1 shower tub or combo)
Valuation:
N/A
Permit #:
23 105641 BN
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure none project involving (1 kitchen sink) 22-131619bz
Valuation:
N/A
Permit #:
23 103727 BN
Status:
final
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (3 toilet 4 bathroom sink 2 shower tub or combo)
Valuation:
N/A
Permit #:
22 103296 BN
Status:
final
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Project name: alteration - shower tub or combo toilet & bathroom sink, , a (single family residential) (alteration) project involving 1 toilet 1 bathroom sink 1 shower tub or combo
Valuation:
N/A
Permit #:
PLU23-0459
Status:
final
Fee:
$185
Permit Type:
N/A
Building Type:
N/A
Miracle 7 - 2018 upc - rough in and install 1 utility tray and 1 hand sink. there is existing 2 toilets and 2 lavs. selected 2 sinks (utlity & laundry tray)
Valuation:
$7,000
Permit #:
PLUM-2021-04223
Status:
final
Fee:
$166
Permit Type:
N/A
Building Type:
N/A
Plumbing permit to replace fixtures or addition new
Valuation:
N/A
Permit #:
BLD2024-0313
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
Residential-plum-...
A nonresidential alteration to existing structure none project involving (1 sink)
Valuation:
N/A
Permit #:
23 101037 BN
Status:
final
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure none project involving (1 kitchen sink 1 water heater electric
Valuation:
N/A
Permit #:
22 103297 BN
Status:
final
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
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Moss Bay Plumbing Limited Reviews
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Verified License
BuildZoom confirmed this contractor's license
Moss Bay Plumbing Limited License info
License Not Verified
| License # | MOSSBBP790MG |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Corporation |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Moss Bay Plumbing Limited with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | MOSSBBP790MG |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Moss Bay Plumbing Limited 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 # | MOSSBPL000OO |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of Moss Bay Plumbing Limited with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | MOSSBPL00000 |
| Status | Active |
| City | Tukwila |
| Type | Contractor |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of March, 2017. Check the current license status of Moss Bay Plumbing Limited with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MOSSBPL000OO |
| Status | Inactive |
| City | Tukwila |
| Type | Construction Contractor, Plumbing |
| Class | Corporation |
| Business Type | Corporation |
- According to the The City of Tukwila, WA, 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 Moss Bay Plumbing Limited at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | MOSSBPL000OO |
| Status | Inactive |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- According to the Washington State Department of Labor & Industries, 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 Moss Bay Plumbing Limited at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Insured
| Insurer | Western National Assur Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indem Co |
| Bond Value | $6,000 |
269
Permits
- Building permit records show that Moss Bay Plumbing Limited has worked on 269 permitted projects.
Moss Bay Plumbing Limited Employees
AK
Andrew Knapik
Vice President
BK
Brian Knapik
President
KJ
Knapik, Brian John
Owner
MK
Maxine Knapik
Secretary