Licensed Contractors in Sonoma, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: May 24, 2026.

Contractors by Trade

Building (206)
Electrical (46)
Painting (37)
Landscaping (36)
Plumbing (27)
Limited (27)
HVAC (21)
Earthwork (10)
Welding (10)
Fire (9)
Roofing (8)
Solar (3)
Carpentum Construction Llc Active
License #1154001 B Sonoma, CA Est. 2026
Valley Residential Remodeling Construction Active
License #1154844 B-2 Sonoma, CA Est. 2026
Truevine Custom Concrete Active
License #1155147 C-8 Sonoma, CA Est. 2026
Michael A Carroll Suspended
License #299597 B, C-10 Sonoma, CA Est. 1974
Pioneer Builders Suspended
License #555580 A, C-4 +1 more Sonoma, CA Est. 1989
Stephen Kardum Painting Suspended
License #599749 C-33 Sonoma, CA Est. 1990
Wine County Hvac Suspended
License #931241 C-20 Sonoma, CA Est. 2009
Rozanski Design Suspended
License #963723 C-27 Sonoma, CA Est. 2011
Coleman Kane General Contractor Suspended
License #998212 B Sonoma, CA Est. 2014
Stancil Studios Inc Suspended
License #1008953 C-33 Sonoma, CA Est. 2015
Valsecchi Construction Suspended
License #1053052 B Sonoma, CA Est. 2019
S G Construction Suspended
License #1062164 B Sonoma, CA Est. 2020
Lanning Steel Design Suspended
License #1118025 C-51 Sonoma, CA Est. 2024
Olhava Plumbing Suspended
License #1125371 C-36 Sonoma, CA Est. 2024

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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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