Licensed Contractors in Ontario, California

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 (341) A: General Engineering Contractor (63) B-2: Residential Remodeling Contractor (4)

Specialty Contractors

Show all 63 specialty classifications

Nichols Electric Active
License #800384 C-10 Ontario, CA Est. 2001
T K Systems Inc Dba A M F I Active
License #800845 D21, D24 Ontario, CA Est. 2001
Premium Floor Covering Inc Active
License #802401 C-15 Ontario, CA Est. 2001
Hdc Construction Inc Active
License #802646 B, C-9 +1 more Ontario, CA Est. 2002
Agility Integration Corporation Active
License #804121 C-10 Ontario, CA Est. 2002
Riggio Construction Inc Active
License #806241 B Ontario, CA Est. 2002
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

↑ Back to top