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Location and Projects

Address
1841 Soscol Ave, Napa, CA, 94559
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Mario's Construction & Welding

Based in Napa, Mario's Construction is a licensed contractor with a General B & C-60 Welding License. With 19 years of experience, no job is too big or too small. We are insured,bonded, and licensed by the state of California.

From BuildZoom:

Mario's Construction & Welding at 1841 Soscol Ave, Napa, CA 94559, held a Ironworkers/Welder license (#1036408) with the California contractors license board with an expiration date of 03-31-2026. We last verified the license was expired on 05-16-2026.

Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.

If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.

Mario's Construction & Welding Contact Information

Phone: (707) 815-0478
Address: 1841 Soscol Ave, Napa, CA 94559

Mario's Construction & Welding Reviews
5 out of 5 stars, based on 1 review

  • April 9, 2018

    Working with Mario was amazing, at first I had received a quote from a different contractor and wasn't sure on my decision. But after meeting with Mario I knew that he was very knowledgeable and professional. A couple hours later I received a bid over email and eventually began the work. My home now looks beautiful thanks to their wonderful team!
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Building Permits by Mario's Construction & Welding

Sort by: Notable Notable | Date Date | Job Value Job Value

This is a sample of this contractor's permits. Click here to access their complete permit history.

Residential-alteration
258 Via Monte, Saint Helena, CA, 94574
2020-01-14
Main dwelling alteration to include bathroom remodel and removal of non-load bearing wall
Valuation:
$19,000
Permit #:
BR20-00039-ALT
Status:
final
Fee:
$1,124
Permit Type:
N/A
Building Type:
N/A
Building permit with plan check
255 Richards Blvd, Sonoma, CA, 95476
2024-02-15
E-submittal - installation of a new window in bedroom 1) on the inside of home remove drywall on the wall (cutout) 2) on the outside of home remove the siding and expose the home framing 3) create new framing to support window 4) install window flashing tape on the outside to prevent water and air penetration 5) install window of 48” wide x 70” long 6) install trim moulding on the int... see more
Valuation:
N/A
Permit #:
BLD19-0968
Status:
final
Fee:
$374
Permit Type:
N/A
Building Type:
N/A
Residential-alteration
258 Via Monte, Saint Helena, CA, 94574
2020-01-30
Main dwelling alteration- (2) bathroom alteration
Valuation:
$20,000
Permit #:
BR20-00106-ALT
Status:
final
Fee:
$1,138
Permit Type:
N/A
Building Type:
N/A