Updated: Mar 28, 2026
Location and Projects
Address
P O BOX 3063, Hayward, CA, 94540
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Boyer & Sun Environmental Systems Plumber
Boyer & Sun Environmental Systems at P O BOX 3063, Hayward, CA 94540, held a Plumber license (#388891) with the California contractors license board with an expiration date of 04-30-1998. We last verified the license was expired on 03-27-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Boyer & Sun Environmental Systems Services
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Boyer & Sun Environmental Systems Contact Information
Phone Number: (510) 308-1497
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Address: P O BOX 3063, Hayward, CA 94540
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Building Permits by Boyer & Sun Environmental Systems
This is a sample of this contractor's permits. Click here to access their complete permit history.
Hvac improvement for bakery-heating, cooking, flues, hood vent hood by kitchen equipment people
Valuation:
$0
Permit #:
M9401265
Status:
Expired
Fee:
$313
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9200000805-b -
Valuation:
N/A
Permit #:
BI-1992-1364
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9200000805-e -
Valuation:
N/A
Permit #:
BI-1992-1365
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9200000805-m -
Valuation:
N/A
Permit #:
BI-1992-1366
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9200000805-p -
Valuation:
N/A
Permit #:
BI-1992-1367
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9100001599-e -
Valuation:
N/A
Permit #:
BI-1991-2869
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9100001599-m -
Valuation:
N/A
Permit #:
BI-1991-2870
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Archive permit: 9100001599-m -
Valuation:
N/A
Permit #:
BI-1991-2871
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
0395 santa monica place space 261 21 air hand 3 reg 1 hood vew
Valuation:
N/A
Permit #:
M09558
Status:
final
Fee:
$30
Permit Type:
Mechanical
Building Type:
N/A
Air distribution from existing hvac unit 1 exhaust fan
Valuation:
$0
Permit #:
M9200784
Status:
Final
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
Install new f.a.u., e.a.d's and two (n) fireplaces.
Valuation:
$0
Permit #:
RM9601634
Status:
Final
Fee:
$260
Permit Type:
N/A
Building Type:
N/A
2 flues one for water heater one for an oven
Valuation:
N/A
Permit #:
339791
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical for tenant improvement.
Valuation:
$0
Permit #:
M9500982
Status:
Final
Fee:
$234
Permit Type:
N/A
Building Type:
N/A
New heat pump system on existing building
Valuation:
$0
Permit #:
M9101203
Status:
Expired
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Installation of mechanical. system
Valuation:
N/A
Permit #:
320146
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac installation package units
Valuation:
N/A
Permit #:
M9300604
Status:
FINAL
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac installation package units
Valuation:
$0
Permit #:
M9300604
Status:
Final
Fee:
$263
Permit Type:
N/A
Building Type:
N/A
Mechanical (fireplace by other)
Valuation:
$0
Permit #:
C9302137
Status:
Final
Fee:
$198
Permit Type:
N/A
Building Type:
N/A
Install new hvac unit on roof
Valuation:
N/A
Permit #:
00079864
Status:
final
Fee:
$64
Permit Type:
N/A
Building Type:
N/A
(cancel permit) walk in freezer
Valuation:
N/A
Permit #:
00079008
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Boyer & Sun Environmental Systems License info
Inactive License
| License # | 388891 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Plumbing, Sheet Metal |
| 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 Boyer & Sun Environmental Systems at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are Boyer & Sun Environmental Systems, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $7,500 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
17
Permits
- Building permit records show that Boyer & Sun Environmental Systems has worked on 17 permitted projects.
Boyer & Sun Environmental Systems Employees
BB
Bill Rae Boyer
Sole Owner