Updated: Mar 12, 2026
Location and Projects
Address
3741 HOWARD AVE #4, Los Alamitos, CA, 90720
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Billko Plumbing
Billko Plumbing, 3741 Howard Ave, Los Alamitos, CA (Employee: Billy Duane Williams) holds a Plumbing license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Billko Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Billko Plumbing Services
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Billko Plumbing Contact Information
Phone Number: (760) 686-1213
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Address: 3741 HOWARD AVE #4, Los Alamitos, CA 90720
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Supplemental to permit #22042-90000-02891 request addtional work. plumbing tennant improvement
Valuation:
N/A
Permit #:
22042-10002-02891
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 22042-90000-26599 to addition 1-backwater valve
Valuation:
N/A
Permit #:
22042-40001-26599
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement plumbing
Valuation:
N/A
Permit #:
22042-10000-05562
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
22042-90000-26599
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant inprovement
Valuation:
N/A
Permit #:
22042-90000-19610
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement plumbing for spectrum
Valuation:
N/A
Permit #:
2104260007
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2 new ada bathrooms mop sink floor drain and break sink
Valuation:
N/A
Permit #:
20042-20000-06277
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Sink for tenant improvement
Valuation:
N/A
Permit #:
2111170008
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Plumbing tenant remodel
Valuation:
N/A
Permit #:
21042-90000-51252
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Approval - construction - fire pmt - alarm:4275/mission bay
Valuation:
N/A
Permit #:
PMT-3259145
Status:
complete
Fee:
$271
Permit Type:
N/A
Building Type:
N/A
Plumbing
Valuation:
N/A
Permit #:
21042-10000-01792
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing
Valuation:
N/A
Permit #:
19042-10000-27344
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for permit #17042-10000-05319 to addition unit #177 and to addition a hub/receptor drain
Valuation:
N/A
Permit #:
17042-10001-05319
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit #17042-10000-03257 make corrections per insp. to addition (2) lav sinks & (2) toilets
Valuation:
N/A
Permit #:
17042-10001-03257
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Adding new fixtures and removing fixtures for bathroom (1) water heater
Valuation:
N/A
Permit #:
17042-10000-09952
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 22042-90000-02891 to addition 1-thermal expansion tank
Valuation:
N/A
Permit #:
22042-30001-02891
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New fixtures
Valuation:
N/A
Permit #:
17042-10000-03257
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New fixtures
Valuation:
N/A
Permit #:
17042-10000-05319
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plumbing tenant improvement
Valuation:
N/A
Permit #:
21042-10000-08633
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
22042-90000-02891
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Billko Plumbing License info
Verified License
| License # | 945672 |
| 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 Billko Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
21
Permits
- Building permit records show that Billko Plumbing has worked on 21 permitted projects.
Billko Plumbing Employees
BW
Billy Duane Williams
Sole Owner