Licensed Contractors in Columbia, California

Columbia has 36 licensed contractors registered with the California Contractors State License Board across 15 trade classifications. The most common specialties are Painting and Decorating Contractor (3), Electrical Contractor (2), Earthwork and Paving Contractor (2). 28 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 (29)
Painting (5)
Earthwork (3)
Electrical (2)
HVAC (2)
Fire (2)
Welding (2)
Roofing (1)
Limited (1)
Bob Ragan Construction Active
License #335069 B Columbia, CA Est. 1977
Warren R Christianson Active
License #344886 B Columbia, CA Est. 1977
Ron Hessler Construction Inc Active
License #414227 B Columbia, CA Est. 1981
Weller Construction Inc Active
License #429107 A, B Columbia, CA Est. 1982
Paintmasters Active
License #460847 C-33 Columbia, CA Est. 1984
Rocky Wolf Drywall Active
License #473536 C-9 Columbia, CA Est. 1985
Doug Perry Excavating Inc Active
License #513848 A Columbia, CA Est. 1987
Jr'S Floor Covering Active
License #591028 C-15 Columbia, CA Est. 1990
Luther Engineering Active
License #607189 A, B Columbia, CA Est. 1990
Brenden Simunaci/Simunaci Construction Active
License #619757 A, B +3 more Columbia, CA Est. 1991
Bradford W Lorenzen Dba Lorenzen Construction Active
License #706031 B Columbia, CA Est. 1995
Columbia Concrete Pumping & Supply Inc Active
License #753349 D06 Columbia, CA Est. 1998
Eric Owens Construction Active
License #809550 B Columbia, CA Est. 2002
Ray Hall Construction Inc Active
License #826584 B Columbia, CA Est. 2003
Max Potter Construction Active
License #835869 B Columbia, CA Est. 2004
Foust Heat & Air Active
License #841677 C-20 Columbia, CA Est. 2004
Grayum Construction Active
License #842366 B Columbia, CA Est. 2004
Curtis Torcha Painting Active
License #868450 C-33 Columbia, CA Est. 2005
Duane Ragan Construction Active
License #874188 B Columbia, CA Est. 2006
Kelly Roofing Inc Active
License #880428 C-39 Columbia, CA Est. 2006
Gookin Excavating Active
License #901107 C-12 Columbia, CA Est. 2007
Tri County Construction Active
License #926021 B, C-33 Columbia, CA Est. 2008
American Made Masonry Active
License #956393 B, C-29 Columbia, CA Est. 2011
Zak Sawyer Construction Active
License #973204 B Columbia, CA Est. 2012
Alliance Electric Active
License #1028446 C-10 Columbia, CA Est. 2017
E H Tile And Stone Countertops Active
License #1061275 C-54 Columbia, CA Est. 2019
Mountain Mann Construction Active
License #1078300 B Columbia, CA Est. 2021
Gunn Henderson Construction Active
License #1117665 B Columbia, CA Est. 2024
Adam Ehlers Construction Active
License #1118141 B Columbia, CA Est. 2024
Kr Construction Active
License #1121038 B Columbia, CA Est. 2024
Rodes Mobile Welding A Partnership Active
License #1125295 C-51 Columbia, CA Est. 2024
Mobley Construction Company Active
License #1144709 B Columbia, CA Est. 2025
Hughes Prospective Electrical Company Llc Active
License #1149158 C-10 Columbia, CA Est. 2026
Ed Cribari Construction Suspended
License #449896 B Columbia, CA Est. 1983
Willis Construction Company Suspended
License #893521 A, B +2 more Columbia, CA Est. 2007
Wynne Construction Suspended
License #1027918 B Columbia, CA Est. 2017

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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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