Updated: Aug 13, 2026
Location and Projects
Address
5536 16TH AVE S, Seattle, WA, 98108
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Hos Plumbing Co
Hos Plumbing Co, 5536-16 Th Ave S, Seattle, WA (Owned by: He, Ji Jiu) holds a Plumbing Contractor, Journey Level license and 3 other licenses according to the Tukwila license board.
Their BuildZoom score of 107 ranks in the top 6% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Hos Plumbing Co, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Hos Plumbing Co Services
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Hos Plumbing Co Contact Information
Phone Number: (773) 241-9888
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Address: 5536 16TH AVE S, Seattle, WA 98108
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Hos Plumbing Co Seattle
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hos Plumbing Co has a BuildZoom score of 107, which places them above 94% of 128,670 contractors in Washington.
Activity
|
9 projects
|
2025 |
|
9 projects
|
2024 |
|
11 projects
|
2023 |
Our building permit records indicate that Hos Plumbing Co has worked on at least
29.0 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
|
28 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Hos Plumbing Co mostly works on
plumbing project
projects.
Pricing
|
1 project
|
< $5k |
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.
Hot pot city|when submitting an application please ensure you have attached all required documents.|certification: by using this p-ortal 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 ... see more
Valuation:
N/A
Permit #:
PG25-0095
Status:
issued
Fee:
$868
Permit Type:
Non-residential
Building Type:
N/A
Deep clean appliances floors and ceilings. repair existing plumbing fixtures to meet king county health standards remove an auxiliary three compartment sink replace with one hand washing sink
Valuation:
N/A
Permit #:
25 111415 BO
Status:
final
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure project installing {1-sink 1-service sink} replace one hand sink and install one dump sink. **plan review waived by evan harrison**
Valuation:
N/A
Permit #:
25 105023 BN
Status:
final
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family class: alteration to structure or system, , yu-(1)clothes washer; piping - dwv
Valuation:
N/A
Permit #:
PSF24-07773
Status:
final
Fee:
$58
Permit Type:
N/A
Building Type:
N/A
Type: mechanical single family class: alteration to structure or system yu- (1)gas - water heater
Valuation:
N/A
Permit #:
MSF24-07774
Status:
plancheck
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Chen residence|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... see more
Valuation:
N/A
Permit #:
D23-0067
Status:
issued
Fee:
$7,175
Permit Type:
Detached
Building Type:
N/A
A nonresidential alteration to existing structure none project involving (1 clothes washer 1 bar sink) 25 102565 bz
Valuation:
N/A
Permit #:
25 109461 BN
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (4 toilet 6 bathroom sink 1 dishwasher 2 clothes washer 5 shower tub or combo 1 bar sink 1 kitchen sink 1 water heater - tankless 1 hosebib 1 pressure reducing valve 1 ice maker) bu 23 110955
Valuation:
N/A
Permit #:
23 117110 BN
Status:
final
Fee:
$417
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (3 toilet 3 bathroom sink 1 laundry tub 1 dishwasher 1 clothes washer 3 shower tub or combo 1 kitchen sink 1 laundry sink 1 hosebib 1 water service - 3/4 1 ice maker) 23 111372 bu
Valuation:
N/A
Permit #:
23 111602 BN
Status:
final
Fee:
$333
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (4 toilet 6 bathroom sink 1 dishwasher 1 clothes washer 4 shower tub or combo 1 kitchen sink 1 laundry sink 1 sump pump 1 heat pump water heater 4 hosebib 1 ice maker) 22 129628 bf
Valuation:
N/A
Permit #:
23 124407 BN
Status:
final
Fee:
$433
Permit Type:
N/A
Building Type:
N/A
Type: plumbing non residential class: alteration to structure or system, , tessential llc (bnr21-08978): a project installing (sink; clothes washer; hot water heater; piping - dwv; total number of fixtures; primary building; there are 10 or less new or altered fixtures.). additional info (). work site location ()
Valuation:
N/A
Permit #:
PNR22-02184
Status:
final
Fee:
$68
Permit Type:
N/A
Building Type:
N/A
A nonresidential alteration to existing structure none project involving (1 clothes washer 1 bar sink)
Valuation:
N/A
Permit #:
25 101840 BN
Status:
issued
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Yang plumbing a (multifamily residential) (alteration) project involving 1 toilet 1 bathroom sink
Valuation:
N/A
Permit #:
PLM25-00117
Status:
issued
Fee:
$65
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (3 toilet 3 bathroom sink 1 dishwasher 1 clothes washer 3 shower tub or combo 1 bar sink 1 kitchen sink 1 laundry sink 1 ice maker) 21 108929 bu
Valuation:
N/A
Permit #:
21 118317 BN
Status:
final
Fee:
$237
Permit Type:
N/A
Building Type:
N/A
A single family residential addition to existing structure none project involving (4 toilet 6 bathroom sink 1 dishwasher 1 clothes washer 4 shower tub or combo 1 kitchen sink 1 laundry sink 2 hosebib 1 ice maker) 20 108309 br
Valuation:
N/A
Permit #:
21 106172 BN
Status:
final
Fee:
$317
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (1 toilet 3 bathroom sink 1 dishwasher 2 clothes washer 1 shower tub or combo 1 kitchen sink)
Valuation:
N/A
Permit #:
24 105855 BN
Status:
final
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Project name: lee plumbing a (single family residential) (addition) project involving 1 toilet 1 bathroom sink 1 shower tub or combo
Valuation:
N/A
Permit #:
B2025-0386
Status:
issued
Fee:
$62
Permit Type:
N/A
Building Type:
N/A
Type: plumbing single family class: addition to structure, , lu residence (bsf21-09799): installing 10 toilet; 11 bathroom sink; 2 dishwasher; 2 clothes washer; 1 floor drain; piping - dwv; 8 shower tub or combo; 2 bar sink; 2 kitchen sink; 2 hose bib
Valuation:
N/A
Permit #:
PSF21-01009
Status:
triage
Fee:
$286
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (2 bathroom sink 2 shower tub or combo) 22 112454 bu
Valuation:
N/A
Permit #:
23 105216 BN
Status:
final
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
A single family residential alteration to existing structure none project involving (2 toilet 2 bathroom sink 1 dishwasher 1 clothes washer 2 shower tub or combo 1 bar sink 1 kitchen sink 1 hosebib 1 ice maker) 21 104799 bt
Valuation:
N/A
Permit #:
21 104800 BN
Status:
expired
Fee:
$197
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Avg Project
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BZ Score
$7.9K
Avg Project
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Projects
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BZ Score
$20K
Avg Project
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Projects
Hos Plumbing Co Reviews
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Verified License
BuildZoom confirmed this contractor's license
Hos Plumbing Co License info
License Not Verified
| License # | HOSPLPC782BL |
| 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 January, 2026. Check the current license status of Hos Plumbing Co with the The City of Tukwila, WA
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HOSPLPC871BW |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, General |
| Class | Corporation |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Hos Plumbing Co at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HOSPLPC782BL |
| Status | Active |
| State | Washington |
| Type | Plumbing Contractor, Plumbing Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Hos Plumbing Co 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 # | HOSPLPC871BW |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Corporation |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Hos Plumbing Co at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Security National Insurance |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Western Surety Co |
| Bond Value | $12,000 |
133
Permits
- Building permit records show that Hos Plumbing Co has worked on 133 permitted projects.
Hos Plumbing Co Employees
HJ
He, Ji Jiu
Owner
JH
Ji He
Member
JH
Ji Jiu He
President
XZ
Xiuzhen Zhang
Member