Licensed Contractors in Ontario, California
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: May 24, 2026.
Contractors by Trade
Building
(457)
Electrical
(173)
Limited
(120)
Painting
(111)
HVAC
(67)
Plumbing
(62)
Roofing
(61)
Earthwork
(55)
Landscaping
(48)
Welding
(31)
Fire
(28)
Solar
(3)
De Luna Framing
Suspended
License #1071148
C-5
Ontario, CA
Est. 2020
Pinze Zhang
Suspended
License #1087764
B
Ontario, CA
Est. 2022
X Y Sunshine International Inc
Suspended
License #1091751
B
Ontario, CA
Est. 2022
Strong Group Specialty Coatings
Suspended
License #1097888
C-33
Ontario, CA
Est. 2022
Decaa Landscaping
Suspended
License #1098408
C-27
Ontario, CA
Est. 2022
Sun Microgrid Solar Inc
Suspended
License #1105671
C-10
Ontario, CA
Est. 2023
Meta Group Builder
Suspended
License #1108241
B
Ontario, CA
Est. 2023
#1 California Flooring Inc
Suspended
License #1115597
C-15
Ontario, CA
Est. 2024
Navona Construction
Suspended
License #1120621
B
Ontario, CA
Est. 2024
C E B M Inc
Suspended
License #1124853
D06, D63
Ontario, CA
Est. 2024
Nc Drywall Interiors
Suspended
License #1131589
C-9
Ontario, CA
Est. 2025
Chirco Construction Group Llc
Suspended
License #1132019
B
Ontario, CA
Est. 2025
Golden Vast Construction Inc
Suspended
License #1133809
B
Ontario, CA
Est. 2025
Pacific Edge Concrete
Suspended
License #1135512
C-8
Ontario, CA
Est. 2025
Mastel Construction Llc
Suspended
License #1143404
B
Ontario, CA
Est. 2025
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Licensing Resources
How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements