Updated: May 28, 2026
Location and Projects
Address
3505 ALPINE BLVD #14, Alpine, CA, 91901
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ERNSTER CONSTRUCTION
ERNSTER CONSTRUCTION, 3505 Alpine Blvd, Alpine, CA (Owned by: John Derrald Ernster) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring ERNSTER CONSTRUCTION, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
ERNSTER CONSTRUCTION Services
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ERNSTER CONSTRUCTION Contact Information
Phone Number: (619) 464-4193
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Address: 3505 ALPINE BLVD #14, Alpine, CA 91901
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This is a sample of this contractor's permits. Click here to access their complete permit history.
New residential detached accessory structure - plan check-permit
1992-07-09
Cross street: hillview/grandview description of work: gar/w half bathroom supplmental permit seperate service for 100 amp service 7-21-92
Valuation:
$18,000
Permit #:
PDS1992-C-92027101
Status:
complete
Fee:
$550
Permit Type:
N/A
Building Type:
N/A
New residential detached accessory structure - plan check-permit
1992-06-09
Cross street: hillview/grandview description of work: gar/w half bathroom supplmental permit seperate service for 100 amp service 7-21-92
Valuation:
$18,000
Permit #:
PDS1992-A-9200949999
Status:
complete
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
New bedroom addition w/bathroom & music room addition (310 sq ft) for exist single family dwelling
Valuation:
$31,310
Permit #:
127858
Status:
complete
Fee:
N/A
Permit Type:
Add/alt 1 or 2 fa...
Building Type:
N/A
Residential alteration or addition - plan check-permit
1991-07-18
Cross street: white hills rd description of work: single family dwelling addition/up grade elect./replace fau
Valuation:
$20,440
Permit #:
PDS1991-C-9103258999
Status:
complete
Fee:
$140
Permit Type:
N/A
Building Type:
N/A
Residential alteration or addition - plan check-permit
1991-07-18
Cross street: white hills rd description of work: single family dwelling addition/up grade elect./replace fau
Valuation:
$20,440
Permit #:
PDS1991-C-91032581
Status:
complete
Fee:
$387
Permit Type:
N/A
Building Type:
N/A
Commercial alteration or addition - plan check-permit
1995-01-09
Cross street: bradley description of work: interior wall for suites 107 and 108 see c 3482-94
Valuation:
$2,325
Permit #:
PDS1995-C-95000351
Status:
complete
Fee:
$188
Permit Type:
N/A
Building Type:
N/A
Commercial alteration or addition - plan check-permit
1998-06-29
Cross street: bradley description of work: interior wall for suites 107 and 108 see c 3482-94
Valuation:
$2,325
Permit #:
PDS1998-C-9500035999
Status:
complete
Fee:
$43
Permit Type:
N/A
Building Type:
N/A
New residential detached accessory structure - plan check-permit
1992-01-01
Cross street: hillview/grandview description of work: gar/w half bathroom
Valuation:
$18,000
Permit #:
PDS1992-C-92022151
Status:
issued
Fee:
$254
Permit Type:
N/A
Building Type:
N/A
New residential detached accessory structure - plan check-permit
1992-01-01
Cross street: hillview/grandview description of work: gar/w half bathroom
Valuation:
$18,000
Permit #:
PDS1992-C-9202215999
Status:
issued
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Foundation under existing single family residence & replace fireplace
Valuation:
$12,598
Permit #:
BP05-03325
Status:
final
Fee:
$382
Permit Type:
N/A
Building Type:
N/A
Upgrade bathrooms and addition handicap ramp
Valuation:
N/A
Permit #:
B95-002-528
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Rec lights switches fixt
Valuation:
N/A
Permit #:
E95-001-647
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Toilets sinks
Valuation:
N/A
Permit #:
P95-001-326
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Fisher variance
Valuation:
$0
Permit #:
PDS2009-3971-92-012-01
Status:
Backfile Conversion
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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ERNSTER CONSTRUCTION Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
ERNSTER CONSTRUCTION License info
Verified License
| License # | 727003 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for ERNSTER CONSTRUCTION at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 320440 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 ERNSTER CONSTRUCTION at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
6
Permits
- Building permit records show that ERNSTER CONSTRUCTION has worked on 6 permitted projects.
ERNSTER CONSTRUCTION Employees
BE
Bernadine Elaine Ernster
Officer
DE
Derrald Dean Ernster
Rmo / Ceo / Pres
JE
John Derrald Ernster
Owner