Updated: Apr 19, 2026
Location and Projects
Address
1556 El Centro Ave, Napa, CA, 94558
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MARIO CUSTOM BUILDER Construction
MARIO CUSTOM BUILDER, 1556 El Centro Ave, Napa, CA (Owned by: Mario Hernandez) holds a General Building 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 MARIO CUSTOM BUILDER, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
MARIO CUSTOM BUILDER Contact Information
Phone Number: (707) 501-7831
Address: 1556 El Centro Ave, Napa, CA 94558
MARIO CUSTOM BUILDER Napa
Quality
96
80th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
MARIO CUSTOM BUILDER has a BuildZoom score of 96, which places them above 80% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
1 project
|
2023 |
Our building permit records indicate that MARIO CUSTOM BUILDER has worked on at least
2.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Pricing
|
1 project
|
$20k-$50k |
|
1 project
|
$250k-$500k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
This is a sample of this contractor's permits. Click here to access their complete permit history.
418sqft addition + whole house remodel m.e.p
Valuation:
$250,051
Permit #:
B2509-0164
Status:
plancheck
Fee:
$6,048
Permit Type:
N/A
Building Type:
N/A
Pool and spa re-plaster and installation of new pool equipment in new pool equipment shed (120 sq. ft.). permit includes the electrical for the new pool equipment shed
Valuation:
$35,000
Permit #:
BR23-02005-PSF
Status:
expired
Fee:
$2,335
Permit Type:
N/A
Building Type:
N/A
1410: replacing vanities in guest and master bathroom. no structural work to be performed. two bathroom remodel. no wall modification
Valuation:
$30,000
Permit #:
202104279387
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Fire damage rebuld: replacement main dwelling. revision #2: switch steel beam to wood beam on two (2) covered porches. remove west covered patio
Valuation:
$690,000
Permit #:
B19-00202
Status:
final
Fee:
$10,533
Permit Type:
N/A
Building Type:
N/A
Replacement front windows on first two floors to mathch existing wood casment windows
Valuation:
$7,500
Permit #:
201907166038
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
Residential
465 Stonecrest, Napa, CA
2015-02-11
Main dwelling alter - replace windows (retrofit bedrooms currently meet egress code) remove french doors at kitchen (infill with new framing 2x4 @16 o.c.) smoke/co2 alarms required. added 2/11: remove earthquake damaged chimney install new gas line & gas fireplace insert
Valuation:
$37,000
Permit #:
B15-00102
Status:
final
Fee:
$771
Permit Type:
N/A
Building Type:
N/A
Repair in kind and improvements to extg deck
Valuation:
$10,000
Permit #:
201707202533
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
24 - apartments
MARIO CUSTOM BUILDER Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
MARIO CUSTOM BUILDER License info
Verified License
| License # | 995829 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for MARIO CUSTOM BUILDER 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 | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
MARIO CUSTOM BUILDER Employees
MH
Mario Hernandez
Owner