Updated: Jun 17, 2026
Location and Projects
Address
706 N ARGONAUT STREET, Stockton, CA, 95204
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West Coast Plumbing & Sewer
West Coast Plumbing & Sewer, 706 N Argonaut St, Stockton, CA (Employees: Malcolm John Volsan, Zeljka Schwachenwald, and Zeljka Schwachenwald) holds a Plumbing license and 1 other license according to the California license board.
Their BuildZoom score of 103 ranks in the top 10% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring West Coast Plumbing & Sewer, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
West Coast Plumbing & Sewer Services
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West Coast Plumbing & Sewer Contact Information
Phone Number: (310) 947-6267
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Address: 706 N ARGONAUT STREET, Stockton, CA 95204
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West Coast Plumbing & Sewer Stockton
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
West Coast Plumbing & Sewer has a BuildZoom score of 103, which places them above 90% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that West Coast Plumbing & Sewer has worked on at least
10.0 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
|
10 projects
|
Plumbing projects |
|
3 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that West Coast Plumbing & Sewer mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
5 projects
|
< $5k |
|
5 projects
|
$5k-$20k |
The typical size of their permits is approximately $4,270. 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.
Building Permits by West Coast Plumbing & Sewer
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-piping the entire single family dwelling with copper pipes. and completion of water heater inspection. change-out installation of gas - 030 gallon to gas - 030 gallon located inside building null number of water heaters being replaced 1. to close out permit bp23-01193. *subject to field inspection*
Valuation:
$12,522
Permit #:
BP25-02571
Status:
final
Fee:
$448
Permit Type:
N/A
Building Type:
N/A
Aa: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building number of water heaters being replaced 1
Valuation:
$1,850
Permit #:
BP25-02256
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 90 l.f. replace sewer lateral
Valuation:
$9,882
Permit #:
BP25-01582
Status:
final
Fee:
$332
Permit Type:
N/A
Building Type:
N/A
Aa: change-out installation of gas - 100 gallon to gas - 100 gallon located inside building null number of water heaters being replaced 1
Valuation:
$6,000
Permit #:
BP23-01216
Status:
final
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair dig and bury 20 l.f. this sewer line serves unit 6514 and 6516. sewer line being replaced in common area in front of unit 6514
Valuation:
$15,000
Permit #:
BP22-11123
Status:
expired
Fee:
$422
Permit Type:
N/A
Building Type:
N/A
E-permit: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building number of water heaters being replaced 1
Valuation:
$1,800
Permit #:
BP24-08939
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Aa: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building number of water heaters being replaced 1
Valuation:
$1,797
Permit #:
BP24-06022
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Aa: change-out installation of gas - 040 gallon to gas - 040 gallon located outside building number of water heaters being replaced 1
Valuation:
$1,500
Permit #:
BP23-08051
Status:
expired
Fee:
$80
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 50 l.f. unit 38 & 40
Valuation:
$5,490
Permit #:
BP24-04409
Status:
final
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
Aa: install 4 sewer lateral via pipe bursting
Valuation:
$11,265
Permit #:
BP23-06607
Status:
final
Fee:
$367
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 50 l.f.
Valuation:
$7,305
Permit #:
BP19-05577
Status:
expired
Fee:
$293
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 70 l.f.
Valuation:
$7,686
Permit #:
BP19-06767
Status:
final
Fee:
$293
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair null 50 l.f. front yard from house to driveway
Valuation:
$3,250
Permit #:
BP18-03260
Status:
issued
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
Remove & replace shower/tub
Valuation:
$1,192
Permit #:
B2021-2629
Status:
final
Fee:
$85
Permit Type:
plumbing
Building Type:
N/A
Aa: change-out installation of gas - 040 gallon to gas - 040 gallon located inside building null
Valuation:
$3,050
Permit #:
BP22-11769
Status:
final
Fee:
$158
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 30 l.f.
Valuation:
$7,500
Permit #:
BP22-05238
Status:
expired
Fee:
$293
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 40 l.f.
Valuation:
$5,000
Permit #:
BP15-06901
Status:
final
Fee:
$248
Permit Type:
N/A
Building Type:
N/A
Aa: sewer service replacement or repair trenchless 40 l.f.
Valuation:
$4,392
Permit #:
BP15-06900
Status:
final
Fee:
$222
Permit Type:
N/A
Building Type:
N/A
2 water meters rear of building 2 water meters side of building opposite of driveway installed by another plumber who did not pull permits. need finaled by city inspector
Valuation:
N/A
Permit #:
10042-90000-01318
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace approx 70-80 ft of sewer line
Valuation:
$3,390
Permit #:
BP15-04958
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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West Coast Plumbing & Sewer Reviews
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Verified License
BuildZoom confirmed this contractor's license
West Coast Plumbing & Sewer License info
Verified License
| License # | 874652 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for West Coast Plumbing & Sewer at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 952750 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| 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 West Coast Plumbing & Sewer at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
Bonded
| Bonded Agent | Contractor's Bond History |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Imperium Insurance Company |
75
Permits
- Building permit records show that West Coast Plumbing & Sewer has worked on 75 permitted projects.
West Coast Plumbing & Sewer Employees
MV
Malcolm John Volsan
Sole Owner
ZS
Zeljka Schwachenwald
Officer
ZS
Zeljka Schwachenwald
Officer