Updated: Jul 28, 2026
Location and Projects
Address
351 Union Ave NE, Renton, WA, 98056
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the Plumbing Joint Inc
The Plumbing Joint has been serving the Seattle area with the highest quality plumbing services since 1973. Come see us today for all your plumbing needs.
Our services include: fixture repair for residential/commercial/industrial clients, sanitary sewer drain cleaning, drain jetting, camera locating, buried pipe locating, remodeling services, pipe thawing, pipe threading, gas pipe installation and much more.
From BuildZoom: the Plumbing Joint Inc, 351 Union Ave NE, Renton, WA holds a Plumbing Contractor, Journey Level license and 6 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 the Plumbing Joint Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
the Plumbing Joint Inc Services
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the Plumbing Joint Inc Contact Information
Phone Number: (425) 288-3204
Address: 351 Union Ave NE, Renton, WA 98056
the Plumbing Joint Inc Renton
Quality
110
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
the Plumbing Joint Inc has a BuildZoom score of 110, which places them above 96% of 128,670 contractors in Washington.
Activity
|
3 projects
|
2025 |
|
8 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that the Plumbing Joint Inc has worked on at least
22.0 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
|
5 projects
|
Home Additions |
|
20 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that the Plumbing Joint Inc mostly works on
plumbing project
and home addition
projects.
Pricing
|
2 projects
|
< $5k |
|
2 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 the Plumbing Joint Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Tacoma business license number-500137952 scope of work is to addition 3 laundry outlets to a tiny house for laundry for the homeless. addition 1 kitchen sink to the temporary tent set up. both units have a water heater
Valuation:
$3,000
Permit #:
PLMBC25-0197
Status:
canceled
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Open trench new sanitary sewer line at single family dwelling. no barricades no row work all on private property
Valuation:
$10,000
Permit #:
SEWER25-0174
Status:
final
Fee:
$571
Permit Type:
N/A
Building Type:
N/A
Plumbing-1 gas piping outlet, a (single family residential) (alteration) (plumbing) project involving 1 gas piping outlets - plumbing work description/location (example: 1st floor master bathroom garage) there is no other onsite work that requires a building permit
Valuation:
N/A
Permit #:
BLD2023-0264
Status:
expired
Fee:
$136
Permit Type:
N/A
Building Type:
N/A
Plumbing for tenant improvement permit bld2023-1238, addition sink to suite 100 convert shower to sink in suite 105 and cut and cap mop sink in suite 105
Valuation:
N/A
Permit #:
BLD2024-0087
Status:
final
Fee:
$136
Permit Type:
N/A
Building Type:
N/A
Plumbing, a (single family residential) (alteration) project involving 1 sink 1 total number of fixtures being added or altered single family dwelling
Valuation:
N/A
Permit #:
PLM24-0049
Status:
final
Fee:
$52
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (4 bathroom sink 1 clothes washer 3 shower tub or combo)
Valuation:
N/A
Permit #:
23 117371 BN
Status:
issued
Fee:
$167
Permit Type:
N/A
Building Type:
N/A
Auburn mechanical: new rpba install, provide existing building with new backflow protection device
Valuation:
N/A
Permit #:
BFL24-0006
Status:
final
Fee:
$108
Permit Type:
N/A
Building Type:
N/A
Shafer plumbing, a (single family residential) (alteration) project involving 1 sink 1 gas piping outlets - plumbing 1 ice maker
Valuation:
N/A
Permit #:
PLM23-00034
Status:
expired
Fee:
$88
Permit Type:
N/A
Building Type:
N/A
A single family condo unit alteration to existing structure none project involving (1 gas piping only (no fixtures))
Valuation:
N/A
Permit #:
23 121256 BK
Status:
final
Fee:
$66
Permit Type:
N/A
Building Type:
N/A
Connect new water line to meter at single family dwelling
Valuation:
$10,000
Permit #:
WATER25-0044
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Plumbing- addition single sink in unit 100, addition a single sink to suite 100
Valuation:
N/A
Permit #:
BLD2024-0088
Status:
final
Fee:
$119
Permit Type:
N/A
Building Type:
N/A
Bellett plumbing, a (single family residential) (alteration) project involving 1 back flow preventer
Valuation:
N/A
Permit #:
PLM23-00113
Status:
final
Fee:
$123
Permit Type:
N/A
Building Type:
N/A
A multifamily residential repair or replacement none project involving (1 water heater electric
Valuation:
N/A
Permit #:
23 121480 BN
Status:
final
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 gas piping only (no fixtures))
Valuation:
N/A
Permit #:
22 115745 BK
Status:
issued
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
A single family residential addition to existing structure none project involving (1 toilet 1 bathroom sink 1 shower tub or combo 1 hosebib)
Valuation:
N/A
Permit #:
21 133656 BN
Status:
expired
Fee:
$89
Permit Type:
N/A
Building Type:
N/A
Addition tub drain to master bathroom and change out shower controls
Valuation:
$5,000
Permit #:
P23003473
Status:
complete
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
Project name: addition. of 1 backflow preventer, , addition 1" backflow for sprinklers
Valuation:
N/A
Permit #:
PLU22-0842
Status:
final
Fee:
$212
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen living area hallway
Valuation:
N/A
Permit #:
SFR24-1873
Status:
final
Fee:
$1,823
Permit Type:
Remodel or repair
Building Type:
N/A
Demolish illegal plumbing
Valuation:
N/A
Permit #:
P2411-001
Status:
final
Fee:
$36
Permit Type:
Standard plumbing...
Building Type:
N/A
Move toilet addition shower
Valuation:
$3,500
Permit #:
P24002630
Status:
complete
Fee:
$93
Permit Type:
N/A
Building Type:
N/A
the Plumbing Joint Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
the Plumbing Joint Inc License info
Verified License
| License # | TPJINI*799MR |
| Status | Active |
| City | Tukwila |
| Type | Plumbing Contractor, Journey Level |
| Class | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for the Plumbing Joint 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 # | PLUMB**132CB |
| Status | Active |
| City | Marysville |
| Type | Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for the Plumbing Joint Inc at the The City of Marysville, Washington.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TPJIN**981NR |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for the Plumbing Joint 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 # | TPJINI*799MR |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for the Plumbing Joint Inc at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | TPJIN**981NR |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for the Plumbing Joint 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 # | TPJIN**981NR |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of the Plumbing Joint Inc 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 # | PLUMB**132CB |
| Status | Active |
| City | Sammamish |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of December, 2021. Check the current license status of the Plumbing Joint Inc with the The City of Sammamish, WA
This is a sample of licensing data; click here to access a complete history.
110
BuildZoom Score
Insured
| Insurer | Federated Mutual Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Federated Mutual Ins Co |
| Bond Value | $12,000 |
339
Permits
- Building permit records show that the Plumbing Joint Inc has worked on 339 permitted projects.