Licensed Contractors in St Helena, California

St Helena has 65 licensed contractors registered with the California Contractors State License Board across 18 trade classifications. The most common specialties are Electrical Contractor (5), Landscaping Contractor (4), Masonry Contractor (3). 40 contractors hold general contractor licenses (Class A or B).

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

Contractors by Trade

Building (42)
Electrical (6)
Painting (6)
Landscaping (5)
Earthwork (4)
Welding (2)
Limited (2)
Plumbing (1)
Roofing (1)
Trainor Builders Active
License #299037 B St Helena, CA Est. 1974
Br Construction Inc Active
License #354668 B St Helena, CA Est. 1978
Aqueduct Plumbing Active
License #380498 B, C-36 St Helena, CA Est. 1979
Mark Peterson Active
License #384526 B St Helena, CA Est. 1979
Reeves Construction Active
License #387845 B St Helena, CA Est. 1980
St Helena Lighting & Design Active
License #388033 C-10 St Helena, CA Est. 1980
T & O Masonry Inc Active
License #405364 C-29 St Helena, CA Est. 1981
Dennis Hubert Active
License #428181 C-10 St Helena, CA Est. 1982
Thomas Construction Active
License #441748 B St Helena, CA Est. 1983
Gary Galusha Construction Active
License #470933 B St Helena, CA Est. 1985
Hardin Enterprises Active
License #472109 A St Helena, CA Est. 1985
Dp Builders Active
License #490224 B St Helena, CA Est. 1986
Building And Design Inc Active
License #517581 B St Helena, CA Est. 1987
Main Street Electric Active
License #528175 C-10 St Helena, CA Est. 1988
Mc Cornack Associates Construction Inc Active
License #541531 B St Helena, CA Est. 1988
St Helena Development Active
License #577653 B St Helena, CA Est. 1989
North Bay Tile Co Active
License #581523 C-54 St Helena, CA Est. 1989
Polly Ogden Associates Active
License #586270 B St Helena, CA Est. 1990
Kenneth Allan Bankson Active
License #603681 C-33 St Helena, CA Est. 1990
Friedrich Company Active
License #618485 B St Helena, CA Est. 1991
Ray'S Glass Active
License #626476 C-17 St Helena, CA Est. 1991
Amato Electric Active
License #636032 C-10 St Helena, CA Est. 1992
Mcgrath Builders Active
License #639282 B St Helena, CA Est. 1992
Gar Rector & Associates Inc Active
License #664538 B St Helena, CA Est. 1993
Autumn Skies Landscapes Active
License #706174 C-27 St Helena, CA Est. 1995
Ebersole Construction Active
License #735046 B St Helena, CA Est. 1997
Western States Investors Inc Active
License #750082 B St Helena, CA Est. 1998
Team Built Construction Inc Active
License #759265 B St Helena, CA Est. 1999
Peter G White Active
License #764913 B St Helena, CA Est. 1999
Taylor - Bailey Inc Active
License #778716 A St Helena, CA Est. 2000
Gastelum Custom Masonry Active
License #791928 C-29 St Helena, CA Est. 2001
S G Construction Active
License #801053 B, C-54 St Helena, CA Est. 2001
R T S Construction Active
License #802741 B St Helena, CA Est. 2002
Kirk De Alba Construction Active
License #808046 B St Helena, CA Est. 2002
Centric Building Inc Active
License #862909 B St Helena, CA Est. 2005
The Cave Construction Company Active
License #879220 A St Helena, CA Est. 2006
Prime Time Audio Video Active
License #883142 C-7 St Helena, CA Est. 2006
Dewyer Contracting Active
License #888502 B St Helena, CA Est. 2006
Kaiser Construction Inc Active
License #914232 A, B St Helena, CA Est. 2008
Upvalley Electric Inc Active
License #970007 C-10 St Helena, CA Est. 2012
Fenian'S Finishes Active
License #984981 C-33 St Helena, CA Est. 2013
St Helena Hardwood Floors Llc Active
License #1001927 C-15 St Helena, CA Est. 2015
Wightman Built Inc Active
License #1010482 B St Helena, CA Est. 2016
Quinteros Q Construction Inc Active
License #1026448 B St Helena, CA Est. 2017
Zwischen Studio Active
License #1027124 B St Helena, CA Est. 2017
Signature Tree Solutions Active
License #1030018 D49 St Helena, CA Est. 2017
Blue Star Flooring Active
License #1038027 C-15 St Helena, CA Est. 2018
Rcs General Contracting Inc Active
License #1058869 B St Helena, CA Est. 2019
Cazbilt Active
License #1092239 B St Helena, CA Est. 2022
Rivera'S Masonry Active
License #1096043 C-29 St Helena, 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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