Licensed Contractors in Knightsen, California

Knightsen has 21 licensed contractors registered with the California Contractors State License Board across 18 trade classifications. The most common specialties are Landscaping Contractor (4), Electrical Contractor (3), Synthetic Products (2). 8 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: April 05, 2026.

Contractors by Trade

Building (8)
Landscaping (5)
Electrical (4)
HVAC (3)
Roofing (3)
Welding (3)
Limited (3)
Plumbing (2)
Fire (1)
Kenneth Ferrante Active
License #519304 A Knightsen, CA Est. 1987
The Clean Sweep Active
License #549745 D34 Knightsen, CA Est. 1988
Delta Grinding Company Inc Active
License #736914 A Knightsen, CA Est. 1997
B & M Tear Off Inc Active
License #769864 C-21, C-22 +1 more Knightsen, CA Est. 1999
Daniel Bryan Greeson Active
License #804690 B, C-4 +5 more Knightsen, CA Est. 2002
Bay Cities Construction Active
License #852300 B Knightsen, CA Est. 2005
Absolute Electric Active
License #876262 C-10 Knightsen, CA Est. 2006
Machado Landscape Design Active
License #919830 C-27 Knightsen, CA Est. 2008
West Coast Preservation Active
License #938164 B Knightsen, CA Est. 2009
Aj'S Landscaping Active
License #966319 C-27, C-53 Knightsen, CA Est. 2011
Countertops By Steve Active
License #984240 D12 Knightsen, CA Est. 2013
Step Ahead Construction Services Active
License #1016216 B Knightsen, CA Est. 2016
Mastic Master Active
License #1052924 D12 Knightsen, CA Est. 2019
Artistic Landscape Active
License #1052964 C-27 Knightsen, CA Est. 2019
All Pro Communications Active
License #1057838 A, C-7 +1 more Knightsen, CA Est. 2019
Modern Oak Landscaping Active
License #1104392 C-27 Knightsen, CA Est. 2023
Amores Mechanical Inc Active
License #1116926 C-36 Knightsen, CA Est. 2024
Rd Construction & Plumbing Inc Active
License #1119169 B Knightsen, CA Est. 2024
Frontline Fire Protection Active
License #1134946 C-16 Knightsen, CA Est. 2025
Lb Roof Removal Active
License #1137821 C-39 Knightsen, CA Est. 2025
Westside Welding Suspended
License #1098634 C-60 Knightsen, 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

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