Updated: Mar 07, 2026
Location and Projects
Address
P O BOX 1868, Brentwood, CA, 94513
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DAY'S GENERATOR SERVICE Electrician
DAY'S GENERATOR SERVICE INC, Brentwood, Po Box 1868, Brentwood, CA (Employees: Austin Anthony Day, Randy Loren Day, and Toni Darlene Day) holds a Electrical license and 1 other license according to the California license board.
Their BuildZoom score of 96 ranks in the top 20% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring DAY'S GENERATOR SERVICE INC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
DAY'S GENERATOR SERVICE INC Contact Information
Phone Number: (925) 382-9510
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Address: P O BOX 1868, Brentwood, CA 94513
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Building Permits by DAY'S GENERATOR SERVICE INC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Permanent emergency generator @ municipal service center
Valuation:
N/A
Permit #:
B20-1612
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Commercial install back up generator @ lifeguard headquarters
Valuation:
$143,750
Permit #:
X2015-1056
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial install back up generator @ fire station no.3
Valuation:
$143,750
Permit #:
X2015-1054
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial install back up generator @ central library
Valuation:
$143,750
Permit #:
X2015-1053
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Commercial install back up generator @ fire station no.1
Valuation:
$143,750
Permit #:
X2015-1055
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace existing emergency diesel generator set at lesher center cip#009850
Valuation:
$131,766
Permit #:
M180007
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install generator and electrical acc to a fresh water well
Valuation:
$48,900
Permit #:
K201702416
Status:
final
Fee:
$600
Permit Type:
N/A
Building Type:
N/A
Commercial: full review - new structures tenant improvements and accessories
2020-02-19
Install diesel backup generator transfer switch 25 trenching
Valuation:
$128,480
Permit #:
BLD19-04830
Status:
complete
Fee:
$930
Permit Type:
Alteration/accessory
Building Type:
N/A
Replace the existing standby generator set and automatic transfer switch; generator located on first floor of city parking garage #3
Valuation:
$34,429
Permit #:
B12-1922
Status:
final
Fee:
$1,321
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$74,000
Permit #:
16-2258/000 000 CALT 00
Status:
issued
Fee:
N/A
Permit Type:
Commercial add/alt
Building Type:
R-1
No Description Available
Valuation:
$139,000
Permit #:
15-4484/000 000 CALT 00
Status:
complete
Fee:
N/A
Permit Type:
Commercial add/alt
Building Type:
R-1-hd
No Description Available
Valuation:
$139,000
Permit #:
15-4483/000 000 CALT 00
Status:
complete
Fee:
N/A
Permit Type:
Commercial add/alt
Building Type:
Non applicable
Remove/replace emergency back-up generator - no fee permit - general fund
Valuation:
$185,200
Permit #:
BLD2013-00695
Status:
complete
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
13-5809/000 000 E 00
Status:
complete
Fee:
N/A
Permit Type:
Commercial mpe
Building Type:
Non applicable
No Description Available
Valuation:
N/A
Permit #:
13-5810/000 000 E 00
Status:
complete
Fee:
N/A
Permit Type:
Commercial mpe
Building Type:
Non applicable
Installing natural gas/propane standyby generator
Valuation:
$0
Permit #:
B121372
Status:
FINAL
Fee:
$556
Permit Type:
N/A
Building Type:
N/A
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DAY'S GENERATOR SERVICE INC Reviews
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Verified License
BuildZoom confirmed this contractor's license
DAY'S GENERATOR SERVICE INC License info
Verified License
| License # | 942098 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for DAY'S GENERATOR SERVICE 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 # | 877561 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| Business Type | 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 DAY'S GENERATOR SERVICE INC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Bonded
| Bonded Agent | Developers Surety & Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
16
Permits
- Building permit records show that DAY'S GENERATOR SERVICE INC has worked on 16 permitted projects.
DAY'S GENERATOR SERVICE INC Employees
AD
Austin Anthony Day
Officer
RD
Randy Loren Day
Rmo / Ceo / Pres
TD
Toni Darlene Day
Officer