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
C-10: Electrical Contractor
(128)
C-33: Painting and Decorating Contractor
(54)
C-36: Plumbing Contractor
(49)
C-20: Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor
(46)
C-7: Low Voltage Systems Contractor
(37)
C-27: Landscaping Contractor
(34)
C-8: Concrete Contractor
(29)
C-15: Flooring and Floor Covering Contractor
(29)
C-39: Roofing Contractor
(26)
D28: Doors, Gates and Activating Devices
(22)
Los Angeles Fencing Co
Active
License #1068198
C-13
Ontario, CA
Est. 2020
License #1069175
C-7
Ontario, CA
Est. 2020
C B Home Construction Inc
Active
License #1069527
B
Ontario, CA
Est. 2020
Hy Global Llc
Active
License #1072321
B
Ontario, CA
Est. 2020
Rad Services Inc
Active
License #1073055
ASB, C-21 +1 more
Ontario, CA
Est. 2021
Fossa Group Inc
Active
License #1073119
B
Ontario, CA
Est. 2021
Kormex Construction Inc
Active
License #1073142
A, C-27
Ontario, CA
Est. 2021
Non Stop Flooring & Design
Active
License #1073463
C-15
Ontario, CA
Est. 2021
License #1073689
C-7
Ontario, CA
Est. 2021
Melendez Tree Service
Active
License #1073751
D49
Ontario, CA
Est. 2021
License #1074899
B
Ontario, CA
Est. 2021
J M W Communications Inc
Active
License #1074991
C-7
Ontario, CA
Est. 2021
All Coast Epoxy Llc
Active
License #1075287
C-15
Ontario, CA
Est. 2021
Copperhead Electric
Active
License #1075400
C-10
Ontario, CA
Est. 2021
Tekton Elite Llc
Active
License #1075800
C-6
Ontario, CA
Est. 2021
Prime Renovate Inc
Active
License #1076129
B, C-27
Ontario, CA
Est. 2021
Cai Fall Protection Systems
Active
License #1077144
A
Ontario, CA
Est. 2021
Lvl Construction Inc
Active
License #1077369
B
Ontario, CA
Est. 2021
Pbs Construction Service Llc
Active
License #1077808
B
Ontario, CA
Est. 2021
Raze Demolition Services
Active
License #1078123
C-21
Ontario, CA
Est. 2021
Mcintyre Metal Decking
Active
License #1078212
C-51
Ontario, CA
Est. 2021
Je Home Construction
Active
License #1078677
B
Ontario, CA
Est. 2021
Linx Construction Inc
Active
License #1079357
B
Ontario, CA
Est. 2021
License #1080040
C-53
Ontario, CA
Est. 2021
Danco Tile Works
Active
License #1080107
C-54
Ontario, CA
Est. 2021
Freedom 21 Contractors Inc
Active
License #1080326
B
Ontario, CA
Est. 2021
License #1080360
C-51
Ontario, CA
Est. 2021
Blueline Pool Construction
Active
License #1080691
C-53
Ontario, CA
Est. 2021
Jnsd Construction Inc
Active
License #1080741
B, C-10 +2 more
Ontario, CA
Est. 2021
Electrical Best Services Inc
Active
License #1081235
C-10
Ontario, CA
Est. 2021
Omega Doors Corp
Active
License #1081341
D28
Ontario, CA
Est. 2021
Goodfellas Electric Inc
Active
License #1081537
C-10
Ontario, CA
Est. 2021
Cmd Electric Inc
Active
License #1081762
C-10
Ontario, CA
Est. 2021
Provision Contracting Llc
Active
License #1082407
B
Ontario, CA
Est. 2021
Jj Home Renovations
Active
License #1082730
B
Ontario, CA
Est. 2021
Solgar Construction Inc
Active
License #1082852
B
Ontario, CA
Est. 2021
Aces Construction
Active
License #1083500
B
Ontario, CA
Est. 2021
Julan Hao
Active
License #1083815
C-20
Ontario, CA
Est. 2021
License #1083893
D52
Ontario, CA
Est. 2021
License #1084808
B
Ontario, CA
Est. 2021
Jod Dominguez
Active
License #1084844
B
Ontario, CA
Est. 2021
J 1 Pro Roofing
Active
License #1084959
C-39
Ontario, CA
Est. 2021
Kyle Yang Construction
Active
License #1085591
B
Ontario, CA
Est. 2022
Q A T General Construction
Active
License #1085728
B
Ontario, CA
Est. 2022
American Stainless
Active
License #1085845
C-43, D12 +2 more
Ontario, CA
Est. 2022
License #1085957
C-10
Ontario, CA
Est. 2022
Clearview Pools Inc
Active
License #1086141
C-53
Ontario, CA
Est. 2022
Trinity Electrical
Active
License #1086414
C-10
Ontario, CA
Est. 2022
Kennedy Steel
Active
License #1086611
C-51
Ontario, CA
Est. 2022
Arco Glass Plus Inc
Active
License #1087211
C-9, C-17
Ontario, CA
Est. 2022