Licensed Contractors in Altadena, California
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.
Contractors by Trade
Building
(111)
Electrical
(21)
Plumbing
(20)
Landscaping
(15)
Painting
(14)
Limited
(13)
HVAC
(11)
Roofing
(4)
Earthwork
(3)
Welding
(2)
Solar
(1)
Unified Home Solutions Inc
Active
License #1137163
B
Altadena, CA
Est. 2025
Socal Landscape And Trees
Active
License #1138267
C-27
Altadena, CA
Est. 2025
Acs Design Build Group, Inc
Active
License #1140591
B
Altadena, CA
Est. 2025
Parlee Electric
Active
License #1142640
C-10
Altadena, CA
Est. 2025
Linares Landscaping Llc
Active
License #1143601
C-27
Altadena, CA
Est. 2025
Gardzen Studio
Active
License #1143819
B
Altadena, CA
Est. 2025
Lumarc Construction Inc
Active
License #1146125
B
Altadena, CA
Est. 2025
License #1148660
B
Altadena, CA
Est. 2026
Integrity Custom Built
Active
License #1150717
B
Altadena, CA
Est. 2026
Rubio'S Remodeling Inc
Active
License #1151128
B
Altadena, CA
Est. 2026
Catalyst Property Group Inc
Active
License #1151362
B
Altadena, CA
Est. 2026
Frontier Design & Build Inc
Active
License #1151602
B
Altadena, CA
Est. 2026
John Robert Hanson
Suspended
License #682678
B, C-6
Altadena, CA
Est. 1993
Chris Construction
Suspended
License #724522
B
Altadena, CA
Est. 1996
South Coast Pool Construction
Suspended
License #970835
C-53
Altadena, CA
Est. 2012
R S R Electric
Suspended
License #975726
C-10
Altadena, CA
Est. 2012
Only Stop Corporation
Suspended
License #1014132
D12, D41 +2 more
Altadena, CA
Est. 2016
Dlt Landscape Maintenance
Suspended
License #1093294
C-27, D49
Altadena, CA
Est. 2022
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Licensing Resources
How to verify a contractor license
Deposit and payment rules for California contracts
Home improvement contract requirements