Updated: May 28, 2026
Location and Projects
Address
5313 WILD HORSE VALLEY ROAD, Napa, CA, 94558
Use our bidding system to
request a quote
Mike De Simoni Construction
Mike De Simoni, 5313 Wild Horse Valley Rd, Napa, CA (Owned by: Michael James De Simoni) 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 Mike De Simoni, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mike De Simoni Services
Start a project today:
Mike De Simoni Contact Information
Phone Number: (510) 719-1393
Edit
Address: 5313 WILD HORSE VALLEY ROAD, Napa, CA 94558
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
New detached garage (1800 sq. ft.)
Valuation:
$180,000
Permit #:
B16-01150
Status:
expired
Fee:
$2,282
Permit Type:
N/A
Building Type:
N/A
New 2nd dwelling (1300 sq ft)
Valuation:
$200,000
Permit #:
B16-01149
Status:
expired
Fee:
$3,327
Permit Type:
N/A
Building Type:
N/A
Detached guesthouse with garage below
Valuation:
$200,000
Permit #:
B16-01148
Status:
expired
Fee:
$5,539
Permit Type:
N/A
Building Type:
N/A
New single family dwelling (4694 sq. ft.)
Valuation:
$700,000
Permit #:
B16-01147
Status:
expired
Fee:
$72,433
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
187
BZ Score
$30K
Avg Project
-
Projects
188
BZ Score
$30K
Avg Project
-
Projects
246
BZ Score
$30K
Avg Project
-
Projects
Mike De Simoni Reviews
BuildZoom hasn't received any reviews for Mike De Simoni. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mike De Simoni License info
Verified License
| License # | 432785 |
| 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 Mike De Simoni at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 340534 |
| 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 Mike De Simoni 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 | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Mike De Simoni Employees
MS
Michael James De Simoni
Owner
RR
Rob Roy Ramey
Rme