Licensed Contractors in Williams, California

Williams has 13 licensed contractors registered with the California Contractors State License Board across 7 trade classifications. The most common specialties are Electrical Contractor (3), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (2), Tree Service (1). 5 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: April 05, 2026.

Contractors by Trade

Building (6)
Electrical (3)
HVAC (2)
Plumbing (1)
Limited (1)
Asa Charles Smith Active
License #668519 C-6 Williams, CA Est. 1993
Weston Buildings Inc Active
License #779990 B Williams, CA Est. 2000
John E Vanderpool Active
License #840327 B Williams, CA Est. 2004
Streamline Pipe Systems Active
License #925380 C-36 Williams, CA Est. 2008
Wright Construction Active
License #941760 B Williams, CA Est. 2010
Hector Cardenas Construction Active
License #994283 B Williams, CA Est. 2014
Valquez Electric Active
License #1010373 C-10 Williams, CA Est. 2016
Aceves Tree Care Inc Active
License #1108935 D49 Williams, CA Est. 2023
Cromwell Electric Active
License #1117603 C-10 Williams, CA Est. 2024
Colusa Mechanical Systems Inc Active
License #1120532 A Williams, CA Est. 2024
Thorough Electrical Services Suspended
License #533179 C-10 Williams, CA Est. 1988
Mr Heating & Air Conditioning Suspended
License #1069756 C-20 Williams, CA Est. 2020
Apxg Heating And Air Conditioning Suspended
License #1102032 C-20 Williams, CA Est. 2023

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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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