Updated: May 27, 2026
Location and Projects
Address
712 BANCROFT ROAD 246, Walnut Creek, CA, 94598
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Pipeworks Plumber
Pipeworks Inc, 712 Bancroft Rd, Walnut Creek, CA (Owned by: Michael Gerard Beierle) holds a Plumbing license and 2 other licenses according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Pipeworks Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Pipeworks Inc Services
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Pipeworks Inc Contact Information
Phone Number: (415) 740-5103
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Address: 712 BANCROFT ROAD 246, Walnut Creek, CA 94598
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Physical address is: 300 channel st sf ca 94158 (mission creek harbor) port of san francisco property. 16 floating homes. install new 2 water services with new connections to 16 houseboats and 20 hose bibs attach to existing prv
Valuation:
N/A
Permit #:
PP20240822530
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
T.i.: mission creek harbor association"; replacement of the sewer water and electrical infrastructure for the harbor. replacement mep will be placed on (e) harbor docks. addition connection to (e) reinforced concrete box sewer as required by sfpuc 300 channel st
Valuation:
$375,000
Permit #:
B-2022-0045
Status:
issued
Fee:
$17,155
Permit Type:
N/A
Building Type:
Harbor docks
Amendment to pw20230801980: address correction: from 1017 stanyan to 1013-1023 stanyan: ref also to pw20220125239: same work scope: work category: 2pa; extention of permit # pw20220125239 to trim out job bpa: 202202047405
Valuation:
N/A
Permit #:
PP20230908901
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
300 channel st. - mission bay - install 3 sewage ejection tanks. piping from 16 floating homes and main run to new sewer at street
Valuation:
N/A
Permit #:
PP20250710374
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 6pa; repair section of broken underground sewer inside the building
Valuation:
N/A
Permit #:
PW20250324974
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; bathroom remodel (shower wall-mount toilet vanity) kitchen remodel (re-locate kitchen sink re-locate gas for stove) addition shutoff valves for hot and cold water
Valuation:
N/A
Permit #:
PW20210630638
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fix complaint #202543257. install new rain leaders to 2 locations. install new connection to main sewer
Valuation:
N/A
Permit #:
PP20250929975
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; new kitchen fixture in existing location new bathroom fixtures in existing location move shower valve
Valuation:
N/A
Permit #:
PW20241004115
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; remodel existing bathroom addition ada bathroom and drinking fountain
Valuation:
N/A
Permit #:
PW20250818390
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; two bathrooms w underground drainage relocate a kitchen sink w underground drainage
Valuation:
N/A
Permit #:
PW20240801608
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; permit pw20210920893 extension. full house remodel 4 bathrooms, 1 kitchen laundry water main
Valuation:
N/A
Permit #:
PW20221012651
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; 6th floor work 3 bathrooms kitchen drinking fountain condensation water heater floor drain
Valuation:
N/A
Permit #:
PW20220629758
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; replace shower valve. replace 2 toilets replace 2 bathroom sinks replace kitchen fixtures. shower pan
Valuation:
N/A
Permit #:
PW20231212211
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; 5th floor. 3 bathrooms drinking fountain kitchen hot water heater condensation
Valuation:
N/A
Permit #:
PW20220622525
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; addition kitchen sink water heater mop sink adjust existing bathrooms
Valuation:
N/A
Permit #:
PW20220325041
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; 7th floor. 3 bathrooms drinking fountain condensate drains kitchen
Valuation:
N/A
Permit #:
PW20221003393
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; extention to expired permit # pw20221012651 shower pans (3) full house remodel
Valuation:
N/A
Permit #:
PW20231120750
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; dental office remodel 5 sinks bathroom air and vacuum lines
Valuation:
N/A
Permit #:
PW20220915888
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pb; replace floor drains fix sink/grease trap connections
Valuation:
N/A
Permit #:
PW20220331167
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 5p; addition 3 single use bathrooms service sink drinking fountain kitchen and water heater
Valuation:
N/A
Permit #:
PW20210319741
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Pipeworks Inc License info
Verified License
| License # | 893155 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Pipeworks Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 932359 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Pipeworks Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 680961 |
| Status | Inactive |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership, Corporation |
- 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 Pipeworks Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Hartford Fire Insurance Company |
301
Permits
- Building permit records show that Pipeworks Inc has worked on 301 permitted projects.
Pipeworks Inc Employees
AB
Arie Jansse Bok
Rmo / Ceo / Pres
CL
Craig Steven Liberatore
Officer
MB
Michael Gerard Beierle
Owner