Licensed Contractors in Columbia, California

Columbia has 54 licensed contractors registered with the California Contractors State License Board across 17 trade classifications. The most common specialties are Electrical Contractor (3), Painting and Decorating Contractor (3), Earthwork and Paving Contractor (2). 46 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 (34) A: General Engineering Contractor (12)

Specialty Contractors

Show all 15 specialty classifications

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
Ed Renovate Enchance Negotciate Trade Service Active
License #593201 B 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
Ewenique Electric Active
License #727160 C-10 Columbia, CA Est. 1996
Mother Lode Services Active
License #727768 B Columbia, CA Est. 1996
Columbia Concrete Pumping & Supply Inc Active
License #753349 D06 Columbia, CA Est. 1998
Eric Owens Construction Active
License #809550 B Columbia, CA Est. 2002
Structural Preservation Systems Llc Active
License #814569 A, B Columbia, CA Est. 2002
E C F Inc Active
License #818255 A Columbia, CA Est. 2003
Ray Hall Construction Inc Active
License #826584 B Columbia, CA Est. 2003
Handrail Design Inc Active
License #835075 C-23, D34 Columbia, CA Est. 2004
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
Pullman Sst Inc Active
License #866480 A, B Columbia, CA Est. 2005
Curtis Torcha Painting Active
License #868450 C-33 Columbia, CA Est. 2005
Adrian A Lopez Jr Active
License #872608 A 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
Milcon Systems Inc Active
License #955962 B Columbia, CA Est. 2010
American Made Masonry Active
License #956393 B, C-29 Columbia, CA Est. 2011
Zak Sawyer Construction Active
License #973204 B Columbia, CA Est. 2012
First Finish Llc Active
License #981707 B Columbia, CA Est. 2013
Structural Technologies, Llc Active
License #989353 A Columbia, CA Est. 2013
M R G Construction Active
License #1002412 B Columbia, CA Est. 2015
Pullman Power Llc Active
License #1025201 A Columbia, CA Est. 2017
Wynne Construction Active
License #1027918 B Columbia, CA Est. 2017
Alliance Electric Active
License #1028446 C-10 Columbia, CA Est. 2017
Humphrey Rich Construction Group Inc Active
License #1035599 B Columbia, CA Est. 2018
E H Tile And Stone Countertops Active
License #1061275 C-54 Columbia, CA Est. 2019
Mid America Contracting Inc Active
License #1065417 B Columbia, CA Est. 2020
Mountain Mann Construction Active
License #1078300 B Columbia, CA Est. 2021
C Swanson Builder Active
License #1116022 B Columbia, CA Est. 2024
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

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