Licensed Contractors in Napa, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 19, 2026.

Contractors by Trade

Building (509)
Painting (137)
Electrical (93)
Landscaping (71)
Limited (62)
Plumbing (57)
Roofing (31)
HVAC (26)
Earthwork (24)
Fire (14)
Welding (9)
Solar (6)
Giovannoni Door Company Active
License #1067190 D28 Napa, CA Est. 2020
Benjamin Industrial Welding And Repair Active
License #1067435 C-60, D21 Napa, CA Est. 2020
Jl Remodeling Active
License #1067482 B Napa, CA Est. 2020
Slaybuilt Welding Inc Active
License #1067644 C-60 Napa, CA Est. 2020
Fowler Landscaping Active
License #1067730 C-27 Napa, CA Est. 2020
Larson & Co Commercial Painting Active
License #1067889 C-33 Napa, CA Est. 2020
Napa Valley Precision Plumbing Inc Active
License #1068754 C-36 Napa, CA Est. 2020
Duncan Door Cabinet And Millwork Active
License #1069197 C-6 Napa, CA Est. 2020
Hermes Plumbing Inc Active
License #1069597 C-36 Napa, CA Est. 2020
Lang Specialty Pumps Llc Active
License #1069626 D21 Napa, CA Est. 2020
Perfection Carpentry Inc Active
License #1069888 B Napa, CA Est. 2020
Dmn Construction Active
License #1069919 B Napa, CA Est. 2020
Valko Roofing Active
License #1070226 B, C-39 Napa, CA Est. 2020
Fifth Sun Electric Llc Active
License #1070684 C-10 Napa, CA Est. 2020
Zetina Construction Llc Active
License #1073431 B, C-10 Napa, CA Est. 2021
Nortrek Solutions Active
License #1073859 B Napa, CA Est. 2021
Martinez Painting Active
License #1073986 C-33 Napa, CA Est. 2021
Ama Pro Builder Active
License #1074092 B Napa, CA Est. 2021
Jm Access Control Active
License #1074514 D28 Napa, CA Est. 2021
Matthew Simas Active
License #1075050 C-43 Napa, CA Est. 2021
Cmv Painting Inc Active
License #1075100 C-33 Napa, CA Est. 2021
Marceau Fire Protection Inc Active
License #1075410 C-16 Napa, CA Est. 2021
North Bay Water Heater Solutions Active
License #1076541 C-36 Napa, CA Est. 2021
Nws General Construction Active
License #1076865 B Napa, CA Est. 2021
Keystone Yards Active
License #1078372 B, C-27 Napa, CA Est. 2021
Tierra Bella Landscaping Active
License #1079061 C-27 Napa, CA Est. 2021
R Nicholsen & Co Llc Dba R Nicholsen Development Co Active
License #1079572 B Napa, CA Est. 2021
Greg Park Active
License #1079824 C-15 Napa, CA Est. 2021
Dimitrios Kountouris Dba Priority Epoxy Coatings Active
License #1080148 C-33 Napa, CA Est. 2021
W F Maudru Construction Inc Active
License #1080374 B Napa, CA Est. 2021
Trandworld Active
License #1081228 B Napa, CA Est. 2021
John Mendoza Plumbing Active
License #1082939 C-36 Napa, CA Est. 2021
Pantoja Custom Painting Llc Active
License #1083235 C-33 Napa, CA Est. 2021
E.L. General Contractor Inc Active
License #1084390 B Napa, CA Est. 2021
Elie Karch Active
License #1084609 B Napa, CA Est. 2021
Casa Nueva Construction Services Active
License #1085357 B Napa, CA Est. 2021
Lug Electric Inc Active
License #1087505 C-10 Napa, CA Est. 2022
Roscoe Inc Active
License #1087626 B Napa, CA Est. 2022
Michael Romero Plumbing Active
License #1089462 C-36 Napa, CA Est. 2022
Corey W Dyer Active
License #1089598 A, C-33 Napa, CA Est. 2022
West Coast Well And Pump Active
License #1089677 C-57 Napa, CA Est. 2022
Mike Coultrup Construction Active
License #1090001 B Napa, CA Est. 2022
Craftsman Building Co Active
License #1090194 B Napa, CA Est. 2022
Jm Landscaping Service Active
License #1090735 C-27 Napa, CA Est. 2022
Josh Foster Construction Active
License #1092350 B Napa, CA Est. 2022
Figueroa Landscaping Active
License #1094147 C-27 Napa, CA Est. 2022
Mogino Group Inc Active
License #1094493 B Napa, CA Est. 2022
Fine Set Tile Active
License #1095634 C-54 Napa, CA Est. 2022
The Oak Knoll Group Active
License #1096006 B, C-36 +1 more Napa, CA Est. 2022
V&C Landscape Active
License #1096250 C-27 Napa, CA Est. 2022

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Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements

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