Licensed Contractors in Sonoma, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (201)
Electrical (48)
Landscaping (36)
Painting (35)
Plumbing (27)
Limited (27)
HVAC (21)
Welding (10)
Earthwork (9)
Fire (9)
Roofing (8)
Solar (3)
Byrnes & Mcclellan Construction Inc Active
License #615048 B, C-16 Sonoma, CA Est. 1991
Shelter Construction Inc Active
License #625515 B Sonoma, CA Est. 1991
North Counties Drywall Inc Active
License #630523 B, C-2 +2 more Sonoma, CA Est. 1991
Lm Jones Electric Inc Active
License #638441 B, C-10 Sonoma, CA Est. 1992
Oak Street Refrigeration Inc Active
License #640199 C-10, C-38 Sonoma, CA Est. 1992
Tara Custom Painting & Decorating Active
License #640983 C-33 Sonoma, CA Est. 1992
Murray Building Inc Active
License #646709 A, B Sonoma, CA Est. 1992
Paul Rice Concrete Artisan Active
License #650553 D06 Sonoma, CA Est. 1992
Mak Engineering Inc Active
License #651533 A Sonoma, CA Est. 1992
Boden Plumbing Inc Active
License #659920 C-20, C-36 Sonoma, CA Est. 1992
R A Wilson Construction Active
License #665636 B Sonoma, CA Est. 1993
Wolf Electric Inc Active
License #667202 C-10 Sonoma, CA Est. 1993
Heaven On Earth Landscape Construction Active
License #668068 C-27 Sonoma, CA Est. 1993
Quality Plastering Active
License #670468 C-35 Sonoma, CA Est. 1993
Rockridge Construction Active
License #671287 B Sonoma, CA Est. 1993
Heritage Construction Active
License #678343 B Sonoma, CA Est. 1993
Bill Ayers Drapery Installations Active
License #679723 D52 Sonoma, CA Est. 1993
Ecco Insulation Inc Active
License #682377 C-2 Sonoma, CA Est. 1993
Stanley Nicholas Grgich Active
License #686550 B Sonoma, CA Est. 1994
Sonoma Tile Works Incorporated Active
License #688688 C-54 Sonoma, CA Est. 1994
Griffiths Construction Active
License #692856 A, C-10 Sonoma, CA Est. 1994
Miltenberger Construction Co Active
License #693407 B Sonoma, CA Est. 1994
Con Mara Gardens Inc Active
License #694439 B, C-27 Sonoma, CA Est. 1994
Boldt Electric Company Active
License #696077 C-10 Sonoma, CA Est. 1994
N M P Design Active
License #702759 B, C-33 Sonoma, CA Est. 1995
Hanlon'S Complete Cabinet Service Active
License #703747 C-6 Sonoma, CA Est. 1995
Deenihan Painters And Decorators Active
License #711814 C-33 Sonoma, CA Est. 1995
Thomas Anderson & Co Active
License #715281 A, B Sonoma, CA Est. 1995
Duffy Construction Active
License #717952 B Sonoma, CA Est. 1996
Steve Lanning Construction Inc Active
License #718390 B Sonoma, CA Est. 1996
Darrel D Welch Active
License #724090 B Sonoma, CA Est. 1996
Sonoma Valley Tree Service Active
License #731536 D49 Sonoma, CA Est. 1997
Rocket Science Active
License #732497 B, C-46 Sonoma, CA Est. 1997
Perot Construction Active
License #734142 B Sonoma, CA Est. 1997
Award Roofing Inc Active
License #734338 C-39 Sonoma, CA Est. 1997
L B Kegler General Contractor Active
License #735241 B Sonoma, CA Est. 1997
Noel'S Painting And Decorating Active
License #739119 C-33 Sonoma, CA Est. 1997
Van'S Construction Active
License #742306 B Sonoma, CA Est. 1997
Rg Construction Active
License #746491 B Sonoma, CA Est. 1998
Rathmore Electric Active
License #748367 C-10 Sonoma, CA Est. 1998
Bert Young Active
License #749654 B Sonoma, CA Est. 1998
Broderick General Engineering Inc Active
License #750809 A, HAZ Sonoma, CA Est. 1998
Greystone West Company Active
License #753972 B Sonoma, CA Est. 1998
Landers Curry Inc Active
License #754084 B Sonoma, CA Est. 1998
John E Hughes Active
License #755594 B Sonoma, CA Est. 1998
Horizon Builders Inc Active
License #758694 B, C-6 Sonoma, CA Est. 1999
Mcelligott Construction Inc Active
License #759480 B Sonoma, CA Est. 1999
Wine Country Builders Inc Active
License #763980 B Sonoma, CA Est. 1999
Rocha Construction Active
License #769599 B Sonoma, CA Est. 1999
Richard Allen Pomeroy Active
License #770799 B Sonoma, CA Est. 1999

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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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