Updated: Apr 18, 2026
Location and Projects
Address
4023 REGATTA DRIVE, Discovery Bay, CA, 94505
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Patrick M Butterly Electrician
Patrick M Butterly, 4023 Regatta Dr, Discovery Bay, CA (Employees: James Aaron Cain and Patrick Michael Butterly) holds a Electrical license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Patrick M Butterly, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Patrick M Butterly Contact Information
Phone Number: (925) 784-8125
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Address: 4023 REGATTA DRIVE, Discovery Bay, CA 94505
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Electrical - addition (1) 100 amp sub pane from existing meter main space addition (1) circuit
Valuation:
$2,000
Permit #:
B19-1049
Status:
final
Fee:
$142
Permit Type:
N/A
Building Type:
N/A
Replace 100 amp main panel and 100 amp subpanel
Valuation:
$2,000
Permit #:
E190140
Status:
issued
Fee:
$271
Permit Type:
Add/alt single fa...
Building Type:
N/A
1)install 7 recessed led fixtures for display shelf lumination. 2)wire switch receptacle for sign interior installed by another co
Valuation:
$5,000
Permit #:
201401297366
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
15 - retail sales
Remove existing 200a service and replace with new 200a service
Valuation:
$2,500
Permit #:
B18-0865
Status:
final
Fee:
$142
Permit Type:
N/A
Building Type:
N/A
Install (30) new light fixtures; hook up electrical power for warehouse equipment
Valuation:
$35,000
Permit #:
E170148
Status:
final
Fee:
$405
Permit Type:
N/A
Building Type:
N/A
Upgrade electrical remove knob/tube & replace with romex for plugs lights & switches in all rooms (except kitchen bathroom & laundryroom:done under seperate permit) bldg/ele
Valuation:
$3,000
Permit #:
CB11-0175
Status:
final
Fee:
$423
Permit Type:
N/A
Building Type:
N/A
Replace existing 200 amp meter panel with new 200 amp meter/main breaker - like for like
Valuation:
$999
Permit #:
E200075
Status:
final
Fee:
$271
Permit Type:
Add/alt single fa...
Building Type:
N/A
Replace electrical service main breaker at meter socket. kitchen wiring upgrade (working on 6 circuits). wiring upgrade in 2 bathrooms (1 circuit in each bathroom)
Valuation:
N/A
Permit #:
BLD2011-00176
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1/f install seven (7) led fixture 1 switch 1 receptacle
Valuation:
$0
Permit #:
E201402147311
Status:
COMPLETE
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical service upgrade to 100 amps new sub panel in garage and replace wiring throughout entire house to current code. air conditioning diconnect for future air conditioning unit
Valuation:
N/A
Permit #:
E090062
Status:
final
Fee:
$285
Permit Type:
Asfr
Building Type:
N/A
Electrical - prologis - remove two (2) existing exit signs and cap electrical to the junction box. (mmat)
Valuation:
N/A
Permit #:
BLD2017-06493
Status:
final
Fee:
$156
Permit Type:
N/A
Building Type:
N/A
Legacy - electric service change 200 amps or less
2019-12-08
Replace main service panel - 100amps
Valuation:
N/A
Permit #:
BLD19-01125
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical work to include new lighting fixtures and 1 new circuit per plans rev. 6/16/09 new circuit not to be installed per contractor
Valuation:
N/A
Permit #:
BI421906
Status:
final
Fee:
$117
Permit Type:
N/A
Building Type:
N/A
Replace 125 amp electrical panel
Valuation:
$2,000
Permit #:
E180128
Status:
final
Fee:
$271
Permit Type:
Add/alt single fa...
Building Type:
N/A
Permit value$5.42k covert 56 sq ft of garage to living space relocate bearing wall between house and garage relocate garage man door and air conditioning condensor
Valuation:
N/A
Permit #:
D100550
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Covert 56 sq ft of garage to living space, relocate bearing wall between house and garage, relocate garage man door, and ac condensor.
Valuation:
$5,422
Permit #:
D100550
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial contracting install 14 new circuits for future use. (spec space)
Valuation:
N/A
Permit #:
E110046
Status:
FINALED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
BI-2008-1857
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace damaged 125 amp 240 volt meter main
Valuation:
N/A
Permit #:
E120067
Status:
final
Fee:
$162
Permit Type:
Asfr
Building Type:
N/A
Installation of 100amp meter. addition 2 subpanels 5 circuit breakers and 1 transformer
Valuation:
$14,000
Permit #:
BLD2009-00471
Status:
final
Fee:
$430
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Patrick M Butterly License info
Verified License
| License # | 900927 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Patrick M Butterly at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
23
Permits
- Building permit records show that Patrick M Butterly has worked on 23 permitted projects.
Patrick M Butterly Employees
JC
James Aaron Cain
Officer
PB
Patrick M Butterly
Owner
PB
Patrick Michael Butterly
Sole Owner
TB
Tyler James Butterly
Officer