Licensed Contractors in Castro Valley, California
All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.
Contractors by Trade
Building
(274)
Painting
(61)
Electrical
(54)
Plumbing
(28)
Landscaping
(24)
Limited
(23)
Roofing
(18)
HVAC
(16)
Earthwork
(12)
Fire
(9)
Welding
(5)
Solar
(3)
License #1144162
B
Castro Valley, CA
Est. 2025
Ericson M Vega Construction
Active
License #1144261
B
Castro Valley, CA
Est. 2025
Copala Floors Llc
Active
License #1144484
C-15
Castro Valley, CA
Est. 2025
Our Handy Helper
Active
License #1145235
B
Castro Valley, CA
Est. 2025
Jing Zhang
Active
License #1145548
B
Castro Valley, CA
Est. 2025
Various Energy
Active
License #1145723
A, B +2 more
Castro Valley, CA
Est. 2025
Your Carpenter Friend
Active
License #1145911
C-5
Castro Valley, CA
Est. 2025
License #1146790
B
Castro Valley, CA
Est. 2025
Source Energy Llc
Active
License #1147405
C-10
Castro Valley, CA
Est. 2025
Brandon Choi Construction
Active
License #1150927
B
Castro Valley, CA
Est. 2026
Electrical Ministries
Active
License #1151302
C-10
Castro Valley, CA
Est. 2026
Atb Construction
Active
License #1151339
B
Castro Valley, CA
Est. 2026
License #1151565
C-36
Castro Valley, CA
Est. 2026
Mota Painting
Active
License #1152210
C-33
Castro Valley, CA
Est. 2026
Long'S Concrete
Suspended
License #495230
C-8
Castro Valley, CA
Est. 1986
Kane Pacific Construction Inc
Suspended
License #831617
B
Castro Valley, CA
Est. 2004
Full Spectrum Enterprises
Suspended
License #841155
C-33
Castro Valley, CA
Est. 2004
Hector'S Construction Company Inc
Suspended
License #871808
B
Castro Valley, CA
Est. 2006
Worley'S Home Design Center Inc
Suspended
License #948793
C-15, D52
Castro Valley, CA
Est. 2010
4-Seasons Heating & Air Conditioning
Suspended
License #962971
C-20
Castro Valley, CA
Est. 2011
Patio Covers Universe & Awnings
Suspended
License #996512
D03
Castro Valley, CA
Est. 2014
Cota Electric Inc
Suspended
License #1029993
C-10
Castro Valley, CA
Est. 2017
Voltron Electric Inc
Suspended
License #1030181
C-10
Castro Valley, CA
Est. 2017
Eden Concrete Contractors
Suspended
License #1108674
C-8
Castro Valley, CA
Est. 2023
Vcone Inc
Suspended
License #1127365
B
Castro Valley, CA
Est. 2024
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Licensing Resources
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Deposit and payment rules for California contracts
Home improvement contract requirements