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
Centaline Construction Inc Active
License #1145427 B Diamond Bar, CA Licensed since 2025
Wang Ziyi Construction Active
License #1145455 B Diamond Bar, CA Licensed since 2025
Ac Heat Diamond Bar Active
License #1145762 C-20 Diamond Bar, CA Licensed since 2025
Urbanedge Construction Inc Active
License #1145858 B Diamond Bar, CA Licensed since 2025
Isanvo Construction Inc Active
License #1146026 B Diamond Bar, CA Licensed since 2025
Wh Electrical Active
License #1147623 C-10 Diamond Bar, CA Licensed since 2025
New Life Construction Active
License #1148327 B Diamond Bar, CA Licensed since 2025
Jia Xiaolong Active
License #1149248 C-10 Diamond Bar, CA Licensed since 2026
Apt Construction Inc Active
License #1149695 B Diamond Bar, CA Licensed since 2026
Ecp Construction Active
License #1150062 B Diamond Bar, CA Licensed since 2026
Mengqi Construction Active
License #1150260 B Diamond Bar, CA Licensed since 2026
Airpropower Active
License #1150732 C-10, C-20 Diamond Bar, CA Licensed since 2026
Song Construction Active
License #1151604 B Diamond Bar, CA Licensed since 2026
Viviluxe Construction Inc Active
License #1151920 B Diamond Bar, CA Licensed since 2026
Plhk Hvac Inc Active
License #1151997 C-20 Diamond Bar, CA Licensed since 2026
Justprime Construction Inc Active
License #1153105 B Diamond Bar, CA Licensed since 2026
Oceanlux Construction Inc Active
License #1153579 B Diamond Bar, CA Licensed since 2026
Qed Factory Inc Active
License #1153759 B Diamond Bar, CA Licensed since 2026
Ld Construction Active
License #1154620 B Diamond Bar, CA Licensed since 2026
Carve Modular Corporation Active
License #1154699 B Diamond Bar, CA Licensed since 2026
Xiating Chen Active
License #1155347 B Diamond Bar, CA Licensed since 2026
Zhibin Su Active
License #1155412 B Diamond Bar, CA Licensed since 2026
Sunrise Building Group Inc Active
License #1155622 B Diamond Bar, CA Licensed since 2026
Yu General Construction Inc Active
License #1155644 B Diamond Bar, CA Licensed since 2026
Qd Power Inc Active
License #1157184 C-10 Diamond Bar, CA Licensed since 2026
Dayone Construction Active
License #1157614 B Diamond Bar, CA Licensed since 2026
Ice Man Power Llc Active
License #1158034 C-10 Diamond Bar, CA Licensed since 2026
Steven Jiang Active
License #1158255 B Diamond Bar, CA Licensed since 2026
Myung Won I Kim Active
License #1159753 C-33 Diamond Bar, CA Licensed since 2026
Jing Y Electrical Services Active
License #1160291 C-10 Diamond Bar, CA Licensed since 2026
Aquarena Water Conditioning Active
License #1160847 C-55 Diamond Bar, CA Licensed since 2026
Three Star Construction & Painting Co Suspended
License #337314 B, C-33 Diamond Bar, CA Licensed since 1977
Pacific Overhead Doors Suspended
License #373281 D28 Diamond Bar, CA Licensed since 1979
Kachung Ng Suspended
License #547015 B Diamond Bar, CA Licensed since 1988
Apple Painting Co Suspended
License #610301 C-33 Diamond Bar, CA Licensed since 1991
Ming Chu Chen Chien Suspended
License #820540 B, C-10 +1 more Diamond Bar, CA Licensed since 2003
J H Plumbing Suspended
License #876263 C-36 Diamond Bar, CA Licensed since 2006
David Liang Hua Peh Suspended
License #882040 B Diamond Bar, CA Licensed since 2006
Gary'S Ac Services Suspended
License #921063 C-20 Diamond Bar, CA Licensed since 2008
R A Z Electric Suspended
License #932271 C-10 Diamond Bar, CA Licensed since 2009
East County Fence Co. Suspended
License #948498 B Diamond Bar, CA Licensed since 2010
Cmpg Project Management Suspended
License #953355 B Diamond Bar, CA Licensed since 2010
Ion Security Systems Suspended
License #1015479 C-7, C-10 Diamond Bar, CA Licensed since 2016
G N Y Inc Suspended
License #1033410 C-7 Diamond Bar, CA Licensed since 2017
Nexera Builders Inc Suspended
License #1037400 B Diamond Bar, CA Licensed since 2018
Medrara Hvac Suspended
License #1042958 C-20 Diamond Bar, CA Licensed since 2018
Jonghyun Park Suspended
License #1071186 B Diamond Bar, CA Licensed since 2020
Thlc Corporation Suspended
License #1077041 B, C-10 +3 more Diamond Bar, CA Licensed since 2021
Diamond Springs Pools Suspended
License #1102367 C-53 Diamond Bar, CA Licensed since 2023
Cabinets 4 You Llc Suspended
License #1112243 B Diamond Bar, CA Licensed since 2023

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