Licensed Contractors in Columbia, California

Columbia has 33 licensed contractors registered with the California Contractors State License Board across 16 trade classifications. The most common specialties are Painting and Decorating Contractor (3), Electrical Contractor (2), Earthwork and Paving Contractor (2). 24 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Local dataset stamp: N/A. Verify current status before hiring.

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Building & structure Painting & finishes Earthwork & concrete Electrical & low voltage Welding & fabrication HVAC & mechanical Roofing & exterior Fire & safety Limited specialties
Bob Ragan Construction Active
License #335069 B Columbia, CA Licensed since 1977
Warren R Christianson Active
License #344886 B Columbia, CA Licensed since 1977
Ron Hessler Construction Inc Active
License #414227 B Columbia, CA Licensed since 1981
Weller Construction Inc Active
License #429107 A, B Columbia, CA Licensed since 1982
Paintmasters Active
License #460847 C-33 Columbia, CA Licensed since 1984
Rocky Wolf Drywall Active
License #473536 C-9 Columbia, CA Licensed since 1985
Doug Perry Excavating Inc Active
License #513848 A Columbia, CA Licensed since 1987
Jr'S Floor Covering Active
License #591028 C-15 Columbia, CA Licensed since 1990
Luther Engineering Active
License #607189 A, B Columbia, CA Licensed since 1990
Brenden Simunaci/Simunaci Construction Active
License #619757 A, B +3 more Columbia, CA Licensed since 1991
Bradford W Lorenzen Dba Lorenzen Construction Active
License #706031 B Columbia, CA Licensed since 1995
Columbia Concrete Pumping & Supply Inc Active
License #753349 D06 Columbia, CA Licensed since 1998
Eric Owens Construction Active
License #809550 B Columbia, CA Licensed since 2002
Ray Hall Construction Inc Active
License #826584 B Columbia, CA Licensed since 2003
Max Potter Construction Active
License #835869 B Columbia, CA Licensed since 2004
Foust Heat & Air Active
License #841677 C-20 Columbia, CA Licensed since 2004
Grayum Construction Active
License #842366 B Columbia, CA Licensed since 2004
Curtis Torcha Painting Active
License #868450 C-33 Columbia, CA Licensed since 2005
Duane Ragan Construction Active
License #874188 B Columbia, CA Licensed since 2006
Kelly Roofing Inc Active
License #880428 C-39 Columbia, CA Licensed since 2006
Gookin Excavating Active
License #901107 C-12 Columbia, CA Licensed since 2007
Tri County Construction Active
License #926021 B, C-33 Columbia, CA Licensed since 2008
American Made Masonry Active
License #956393 B, C-29 Columbia, CA Licensed since 2011
Zak Sawyer Construction Active
License #973204 B Columbia, CA Licensed since 2012
Alliance Electric Active
License #1028446 C-10 Columbia, CA Licensed since 2017
E H Tile And Stone Countertops Active
License #1061275 C-54 Columbia, CA Licensed since 2019
Mountain Mann Construction Active
License #1078300 B Columbia, CA Licensed since 2021
Gunn Henderson Construction Active
License #1117665 B Columbia, CA Licensed since 2024
Adam Ehlers Construction Active
License #1118141 B Columbia, CA Licensed since 2024
Kr Construction Active
License #1121038 B Columbia, CA Licensed since 2024
Rodes Mobile Welding A Partnership Active
License #1125295 C-51 Columbia, CA Licensed since 2024
Mobley Construction Company Active
License #1144709 B, C-47 Columbia, CA Licensed since 2025
Hughes Prospective Electrical Company Llc Active
License #1149158 C-10 Columbia, CA Licensed since 2026

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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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