Licensed Contractors in Diamond Bar, California

All license data is sourced from the California Contractors State License Board (CSLB). Local dataset stamp: N/A. Verify current status before hiring.

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Building & structure Electrical & low voltage HVAC & mechanical Plumbing & water Painting & finishes Landscaping & outdoor Fire & safety Limited specialties Roofing & exterior Earthwork & concrete Solar & energy Welding & fabrication
Barron Electric Active
License #1104314 C-10 Diamond Bar, CA Licensed since 2023
5 Zero Inc Active
License #1105104 B Diamond Bar, CA Licensed since 2023
Top Choice Construction Service Inc Active
License #1105149 B Diamond Bar, CA Licensed since 2023
Chung Chieh Wu Active
License #1105504 C-20 Diamond Bar, CA Licensed since 2023
Honest Pro Air Conditioning And Heating Active
License #1106190 C-20 Diamond Bar, CA Licensed since 2023
Dcloud Homes Active
License #1106436 B Diamond Bar, CA Licensed since 2023
Ricardo A Lizarraga Active
License #1109743 B Diamond Bar, CA Licensed since 2023
Acemd Corporation Active
License #1111963 B Diamond Bar, CA Licensed since 2023
Servicemaster Restoration By Disaster Services Active
License #1113356 B Diamond Bar, CA Licensed since 2023
Xiaoqing Active
License #1113933 C-10 Diamond Bar, CA Licensed since 2023
Paul Quijano Active
License #1115522 B Diamond Bar, CA Licensed since 2024
Jt Project Management Inc Active
License #1116801 B Diamond Bar, CA Licensed since 2024
Xinlongyuan Construction Inc Active
License #1118997 B Diamond Bar, CA Licensed since 2024
La Electrical & Construction Inc Active
License #1119000 A, B +1 more Diamond Bar, CA Licensed since 2024
Youngjin Steel Inc Active
License #1119273 C-51 Diamond Bar, CA Licensed since 2024
Blue Star Contractor Active
License #1120031 B Diamond Bar, CA Licensed since 2024
Big Mango Renovation Inc Active
License #1121648 B Diamond Bar, CA Licensed since 2024
Lanyi Usa Inc Active
License #1121762 C-20 Diamond Bar, CA Licensed since 2024
Advanced Tankless And Plumbing Active
License #1121827 C-36 Diamond Bar, CA Licensed since 2024
Evercraft Construction Inc Active
License #1122597 B Diamond Bar, CA Licensed since 2024
Light Contracting Active
License #1122793 C-2 Diamond Bar, CA Licensed since 2024
Dk Air & Refrigeration Active
License #1123000 C-38 Diamond Bar, CA Licensed since 2024
Ray Bi Electrical & Energy Llc Active
License #1125153 C-10 Diamond Bar, CA Licensed since 2024
Dreamer Construction And Development Active
License #1125664 B Diamond Bar, CA Licensed since 2024
Yin Construction Enterprises Llc Active
License #1128987 B Diamond Bar, CA Licensed since 2024
Dz Prime Construction Active
License #1129072 B Diamond Bar, CA Licensed since 2024
Arow Electric Active
License #1129710 C-10 Diamond Bar, CA Licensed since 2024
S V L Construction Operations Active
License #1131331 B Diamond Bar, CA Licensed since 2025
Ca Sunshine Electrical Active
License #1133255 C-10 Diamond Bar, CA Licensed since 2025
Zy Hvac Equipment Services Active
License #1133374 C-20 Diamond Bar, CA Licensed since 2025
Wkh Construction Service Inc Active
License #1136117 B Diamond Bar, CA Licensed since 2025
Stl Home Build Inc Active
License #1136498 B Diamond Bar, CA Licensed since 2025
T&L Building Group Active
License #1137830 B Diamond Bar, CA Licensed since 2025
Freddie Vega Active
License #1138185 B Diamond Bar, CA Licensed since 2025
Gary & Son Construction Active
License #1138649 B Diamond Bar, CA Licensed since 2025
Dongqiang Lu Active
License #1139854 B Diamond Bar, CA Licensed since 2025
Joe Construction Group Active
License #1140095 B Diamond Bar, CA Licensed since 2025
Jiancai Construction Inc Active
License #1141118 B Diamond Bar, CA Licensed since 2025
Pathfinder Construction Active
License #1141723 B Diamond Bar, CA Licensed since 2025
Imperium Roofing Inc Active
License #1141782 C-39 Diamond Bar, CA Licensed since 2025
Shoreline Construction And Development Active
License #1141851 B Diamond Bar, CA Licensed since 2025
Hong Construction Active
License #1142230 B Diamond Bar, CA Licensed since 2025
Park S Roofing Usa Active
License #1142782 C-39 Diamond Bar, CA Licensed since 2025
Walnut Housing Tech Inc Active
License #1142816 B Diamond Bar, CA Licensed since 2025
Yiu Ming Yuen Active
License #1142834 B Diamond Bar, CA Licensed since 2025
Cany Fire Protection Inc Active
License #1142986 C-16, C-36 Diamond Bar, CA Licensed since 2025
Seven Diamonds Inc Active
License #1143632 B Diamond Bar, CA Licensed since 2025
Elite Pipe P Active
License #1144688 C-36 Diamond Bar, CA Licensed since 2025
Enervision Electric Power Llc Active
License #1144854 C-10 Diamond Bar, CA Licensed since 2025
Donglianglu Active
License #1145119 B Diamond Bar, CA Licensed since 2025

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Licensing Resources

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Deposit and payment rules for California contracts
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