Licensed Contractors in Signal Hill, California
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: May 24, 2026.
Contractors by Trade
Building
(91)
Electrical
(27)
Plumbing
(22)
Limited
(17)
Painting
(16)
Roofing
(11)
HVAC
(10)
Landscaping
(9)
Fire
(9)
Welding
(5)
Earthwork
(4)
Solar
(1)
Mcx Air Systems
Active
License #1147992
C-20
Signal Hill, CA
Est. 2025
Shoreline Plumbers Llc
Active
License #1148697
C-36
Signal Hill, CA
Est. 2026
Traxx Swfl Inc
Active
License #1152866
A
Signal Hill, CA
Est. 2026
License #1154199
B
Signal Hill, CA
Est. 2026
G & G Construction
Suspended
License #658333
B
Signal Hill, CA
Est. 1992
Renewable Energy Advantage Inc
Suspended
License #982201
C-10
Signal Hill, CA
Est. 2013
Bugbee Wood Co
Suspended
License #1041127
C-6
Signal Hill, CA
Est. 2018
D L Plumbing
Suspended
License #1057225
C-36
Signal Hill, CA
Est. 2019
The Leon Electric Company Llc
Suspended
License #1117574
C-10
Signal Hill, CA
Est. 2024
Alexander Construction Co
Suspended
License #1136798
B, C-10
Signal Hill, 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