Licensed Contractors in Ontario, California

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (456)
Electrical (166)
Limited (119)
Painting (108)
HVAC (63)
Roofing (63)
Plumbing (61)
Earthwork (55)
Landscaping (49)
Welding (30)
Fire (28)
Solar (3)
Eric Hurford Construction Active
License #806297 B Ontario, CA Est. 2002
A I C Interior Inc Active
License #806562 B Ontario, CA Est. 2002
A T S Construction Active
License #807837 B Ontario, CA Est. 2002
Dh Remodel & Construction Inc Active
License #808571 B Ontario, CA Est. 2002
Top Of The Line Roofing Active
License #810795 C-39 Ontario, CA Est. 2002
So-Cal Showerdoors Active
License #812487 C-17 Ontario, CA Est. 2002
J Elias Enterprises Inc Dba J & J Industrial Services Active
License #814328 B, C-10 +2 more Ontario, CA Est. 2002
Blue Haven Pools Active
License #816057 B, C-53 Ontario, CA Est. 2002
Grace Rooter And Plumbing Active
License #817808 C-36 Ontario, CA Est. 2003
Sweet Water Landscaping Active
License #817917 C-27, C-36 Ontario, CA Est. 2003
Hhs Construction Llc Active
License #818906 A, B +3 more Ontario, CA Est. 2003
E B A Glassworks Active
License #821501 C-17 Ontario, CA Est. 2003
Nick Leo Figueroa Active
License #824166 B Ontario, CA Est. 2003
Custom Carpentry Active
License #826799 B Ontario, CA Est. 2003
Envirokinetics Inc Active
License #828248 A Ontario, CA Est. 2003
Alexandru Lapos Active
License #828822 C-6 Ontario, CA Est. 2003
Rico Inc Active
License #831227 B, C-33 Ontario, CA Est. 2004
Draper Properties Active
License #833028 B Ontario, CA Est. 2004
Jose L Diaz Dba Empire Roofing Co Active
License #836616 C-39 Ontario, CA Est. 2004
Roadfix Inc Active
License #840367 C-32 Ontario, CA Est. 2004
New View Auto Glass Inc Active
License #840405 C-17 Ontario, CA Est. 2004
Elements Of Style Active
License #841955 C-6 Ontario, CA Est. 2004
Advance Construction Active
License #842289 B Ontario, CA Est. 2004
Life Builders Active
License #842842 B Ontario, CA Est. 2004
Rigoberto Carbajal Dba Perfect Touch Drywall Active
License #843628 C-9 Ontario, CA Est. 2004
Julio Antonio Castillo Active
License #844311 C-10, C-20 Ontario, CA Est. 2004
M J S Painting & Coating'S Service Active
License #844467 C-33 Ontario, CA Est. 2004
American Jetting Services Inc Active
License #845651 C-36 Ontario, CA Est. 2004
Primebore Directional Boring Corp Active
License #847499 A, C-7 Ontario, CA Est. 2004
Santana Construction Enterprises Active
License #848705 B Ontario, CA Est. 2004
Brandon Fisher Construction Active
License #848840 B Ontario, CA Est. 2004
Flores Building Active
License #850742 B Ontario, CA Est. 2004
Villalobos Glass Co Inc Active
License #851274 C-17 Ontario, CA Est. 2004
West Coast Plumbing Active
License #853144 C-36 Ontario, CA Est. 2005
Myco Construction Active
License #853581 B, C-17 +4 more Ontario, CA Est. 2005
Advanced Electrical Innovations Active
License #856385 C-10 Ontario, CA Est. 2005
Zeven Electric Active
License #856544 C-10 Ontario, CA Est. 2005
Eliseo Miramontez Active
License #857173 B, C-6 Ontario, CA Est. 2005
Affordable Services Active
License #857640 C-21, D06 +2 more Ontario, CA Est. 2005
Luis M Cardenas Active
License #857846 C-29 Ontario, CA Est. 2005
Caliber Drywall Active
License #858112 C-9 Ontario, CA Est. 2005
Flow Dynamics Inc Active
License #858166 C-36 Ontario, CA Est. 2005
Commercial Concrete Constructors Inc Active
License #858888 A, B +1 more Ontario, CA Est. 2005
Jose Salas Active
License #859777 C-33 Ontario, CA Est. 2005
Stephen Woods Active
License #863681 D28 Ontario, CA Est. 2005
Steven Elliott Construction Active
License #863929 B Ontario, CA Est. 2005
James East Electrical Inc Active
License #863933 C-10 Ontario, CA Est. 2005
Jesse'S Air Systems A / C & Heating Active
License #864645 C-20 Ontario, CA Est. 2005
Dao Le Active
License #864673 C-20 Ontario, CA Est. 2005
Wirenet Communications Inc Active
License #865478 C-7, C-10 Ontario, CA Est. 2005

Get Quotes from Ontario Contractors

Compare quotes from licensed, pre-screened contractors in Ontario. Check ratings and reviews before you hire.

Find top-rated pros in your area →

Licensing Resources

How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements

↑ Back to top