Updated: Jun 02, 2026
Location and Projects
Address
769 W A ST, Hayward, CA, 94541
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plumbing Guy & Trenchless
plumbing Guy & Trenchless, 769 W A St, Hayward, CA (Employee: Yahyah Mohammad Mayar) holds a Plumbing, Sanitation System license according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring plumbing Guy & Trenchless, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
plumbing Guy & Trenchless Services
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plumbing Guy & Trenchless Contact Information
Phone Number: (510) 415-0940
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Address: 769 W A ST, Hayward, CA 94541
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plumbing Guy & Trenchless Hayward
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
plumbing Guy & Trenchless has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
4 projects
|
2025 |
|
2 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that plumbing Guy & Trenchless has worked on at least
7.0 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
|
7 projects
|
Plumbing projects |
|
3 projects
|
Sewer laterals |
Analyzing permits over the last 4 years shows that plumbing Guy & Trenchless mostly works on
plumbing project
and sewer lateral
projects.
Pricing
|
1 project
|
< $5k |
|
1 project
|
$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 plumbing Guy & Trenchless
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair gas line to stop leak 80 linear feet. pg&e currently has gas shut off. we will make repairs and repipe the area pge has marked
Valuation:
N/A
Permit #:
BL-PLUMC-2023-00064
Status:
triage
Fee:
$331
Permit Type:
N/A
Building Type:
N/A
Repipe single family residence (9) water supplies
Valuation:
N/A
Permit #:
DEV25-2347
Status:
final
Fee:
$286
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
ESR-2025-00674
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial - sewer on private property or cleanout install
2024-02-27
Replacing the sewer line in the gym crossfit fairway park for one toilet
Valuation:
N/A
Permit #:
BL-PLUMC-2024-00007
Status:
complete
Fee:
$331
Permit Type:
N/A
Building Type:
N/A
Sewer line replacement
Valuation:
$1,087
Permit #:
BLDG-2023-00542
Status:
final
Fee:
$219
Permit Type:
N/A
Building Type:
N/A
Replacing commercial water heaters
Valuation:
$9,000
Permit #:
P2410-022
Status:
expired
Fee:
$125
Permit Type:
50-100 gl water h...
Building Type:
N/A
Addition of 3 galvanized gas line and commercial dryer in(e) space
Valuation:
$10,000
Permit #:
201902574
Status:
complete
Fee:
$661
Permit Type:
Commercial remode...
Building Type:
N/A
Addition of 3 galvanized gas line and commercial dryer in(e) space
Valuation:
$10,000
Permit #:
201902574
Status:
complete
Fee:
$661
Permit Type:
Commercial remode...
Building Type:
N/A
Addition main gas line to meter for building
Valuation:
$2,500
Permit #:
201900835
Status:
complete
Fee:
$326
Permit Type:
plumbing permit
Building Type:
N/A
Addition main gas line to meter for building
Valuation:
$2,500
Permit #:
201900835
Status:
complete
Fee:
$326
Permit Type:
plumbing permit
Building Type:
N/A
Install one backflow preventer
Valuation:
$2,000
Permit #:
201707048
Status:
complete
Fee:
$335
Permit Type:
plumbing permit
Building Type:
N/A
Installing a tankless water heater & repipinggalvanized pipes to copper
Valuation:
N/A
Permit #:
201603758
Status:
complete
Fee:
$392
Permit Type:
Water heater permit
Building Type:
N/A
Installing a tankless water heater & repiping galvanized pipes to copper
Valuation:
N/A
Permit #:
201603756
Status:
complete
Fee:
$392
Permit Type:
Water heater permit
Building Type:
N/A
Sewer line repair
Valuation:
$3,500
Permit #:
201604146
Status:
complete
Fee:
$165
Permit Type:
Sewer replace/rep...
Building Type:
N/A
Sewer line replacement outside the property
Valuation:
$5,000
Permit #:
PW25-0291
Status:
issued
Fee:
$411
Permit Type:
N/A
Building Type:
N/A
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plumbing Guy & Trenchless Reviews
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Verified License
BuildZoom confirmed this contractor's license
plumbing Guy & Trenchless License info
Verified License
| License # | 1101986 |
| Status | Active |
| State | California |
| Type | Plumbing, Sanitation System |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for plumbing Guy & Trenchless at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
12
Permits
- Building permit records show that plumbing Guy & Trenchless has worked on 12 permitted projects.
plumbing Guy & Trenchless Employees
YM
Yahyah Mohammad Mayar
Sole Owner