Licensed Contractors in Clearlake Oaks, California

Clearlake Oaks has 21 licensed contractors registered with the California Contractors State License Board across 14 trade classifications. The most common specialties are Electrical Contractor (2), Flooring and Floor Covering Contractor (2), Low Voltage Systems Contractor (2). 9 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: February 20, 2026.

Contractors by Classification

General Contractors

B: General Building Contractor (7) A: General Engineering Contractor (2)

Specialty Contractors

Show all 12 specialty classifications

Bernard Krahne Active
License #366381 C-15 Clearlake Oaks, CA Est. 1978
Ron Sugimoto Const Active
License #437665 B Clearlake Oaks, CA Est. 1983
Audac Active
License #445578 C-7 Clearlake Oaks, CA Est. 1983
Don Cowden Const Inc Active
License #550387 B, C-9 Clearlake Oaks, CA Est. 1988
Cornerstone Construction Active
License #562482 A, B Clearlake Oaks, CA Est. 1989
David Scott White Dba The Glass Guy Active
License #660056 C-17 Clearlake Oaks, CA Est. 1992
Superior Garage Door Service Active
License #744501 D28 Clearlake Oaks, CA Est. 1998
Anthony Samuel Martinez Dba Asm Construction Active
License #752509 B Clearlake Oaks, CA Est. 1998
Hill Floor Service Active
License #752520 C-15 Clearlake Oaks, CA Est. 1998
High Valley Tile & Stone Active
License #786309 C-54 Clearlake Oaks, CA Est. 2000
Sumner Construction Active
License #786894 B Clearlake Oaks, CA Est. 2000
Real Plumbing And Heating Inc Active
License #838680 C-20, C-36 Clearlake Oaks, CA Est. 2004
Arbeez Plumbing Active
License #839136 C-36 Clearlake Oaks, CA Est. 2004
Douglas Snyder Active
License #872728 B Clearlake Oaks, CA Est. 2006
J G Construction Active
License #885029 B Clearlake Oaks, CA Est. 2006
Tim Mulder Active
License #993236 A Clearlake Oaks, CA Est. 2014
Fehrn Electric Active
License #1031500 C-10 Clearlake Oaks, CA Est. 2017
Hill Side Steel Active
License #1087927 C-50 Clearlake Oaks, CA Est. 2022
Green Tree Service Active
License #1112024 D49 Clearlake Oaks, CA Est. 2023
O'Connor Landscaping Management Active
License #1137415 C-27 Clearlake Oaks, CA Est. 2025
High Country Security Suspended
License #961001 C-7, C-10 Clearlake Oaks, CA Est. 2011

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