Updated: Jan 30, 2026
Location and Projects
Address
29 HILLCREST ROAD, St Helena, CA, 94574
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Custom Concrete Concepts
Custom Concrete Concepts, 29 Hillcrest Rd, St Helena, CA (Employee: Julio Cesar Alvarez Diaz) holds a Concrete 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 Custom Concrete Concepts, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Custom Concrete Concepts Services
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Custom Concrete Concepts Contact Information
Phone Number: (707) 696-4724
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Address: 29 HILLCREST ROAD, St Helena, CA 94574
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Building Permits by Custom Concrete Concepts
This is a sample of this contractor's permits. Click here to access their complete permit history.
Replace 56 feet of sidewalk
Valuation:
N/A
Permit #:
PW2406-014
Status:
issued
Fee:
$550
Permit Type:
Minor
Building Type:
N/A
Eighty nine lineal feet of new gutter
Valuation:
N/A
Permit #:
PW2408-018
Status:
issued
Fee:
$750
Permit Type:
Major
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Custom Concrete Concepts License info
Verified License
| License # | 1101000 |
| Status | Active |
| State | California |
| Type | Concrete |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Custom Concrete Concepts 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 | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
Custom Concrete Concepts Employees
JD
Julio Cesar Alvarez Diaz
Sole Owner