Independent site · Not affiliated with CSLB or any state agency
Contractor LookoutCalifornia

Licensed Electricians in Diamond Bar, California

Updated November 1, 2026 from CSLB's public license file · C-10 Electrical Contractor

  • 46licensed electricians
  • 43active (Clear)
  • 6.5%with a suspension
  • 63%workers' comp exempt
  • 10.8 yrsmedian time licensed
  • 37%corp / LLC / partnership (63% sole owner)
  • 6new in the last 12 months
  • —change tracking began November 1, 2026

There are 46 electricians based in Diamond Bar in CSLB's current file. 43 (93.5%) have a Clear status as of November 1, 2026.

63% report a workers' comp exemption, 11.7 points higher than the statewide figure for electricians (51.3%), so many of these businesses say they have no employees. The share with a suspension, 6.5%, is 2.6 points higher than the Los Angeles County rate for the same license (3.9%).

Experience varies: 54.3% have been licensed 10+ years and 6 are new this year (median 10.8 years, vs 14.7 statewide).

In California this work generally calls for the C-10 Electrical Contractor license (or a B license when it is part of a larger multi-trade job). See the C-10 Electrical Contractor guide for what the license covers.

How to check an electrician's license in Diamond Bar

  1. Find the business in the list below, or search all 46 Diamond Bar listings, and open its profile. You want a Clear status and the C-10 classification (a B license can also cover it as part of a multi-trade job).
  2. Re-check the same number on CSLB's Instant License Check the day you sign; our copy is refreshed weekly and 6.5% of Diamond Bar listings here already show a suspension.
  3. Match the license holder's name to the name on the written contract and the person you meet. Since 63% of Diamond Bar electricians claim a workers' comp exemption, ask who will actually do the work. Hiring checklist.

All 46 electricians in Diamond Bar

Diamond Bar electricians sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed electricians in Diamond Bar
Business nameLicense #StatusYearsWorkers' compBond
A E D Contractors 441036 Clear 43 Exempt On file
Adams Electric 448001 Clear 43 Exempt On file
Place Construction & Development INC 515653 Clear 39 Insured On file
Tsao Chyr-Shin Paul 670052 Clear 33 Exempt On file
Monair Contractors 677543 Clear 33 Exempt On file
Halstead Todd Michael 685211 Clear 32 Exempt On file
Tasco Pacific Fire Protection 750602 Clear 28 Insured On file
Zip Renovation & Air 762505 Clear 27 Insured On file
Post Electric Company INC 768204 Clear 27 Exempt On file
Liao Hsueh Yu 769733 Clear 27 Exempt On file
Chien Ming Chu Chen 820540 Clear 23 Exempt On file
M S T Construction 837086 Clear 22 Exempt On file
Devin Electric 878672 Clear 20 Exempt On file
Lucas Electrical 888594 Clear 19 Exempt On file
Nielsen Electric 950973 Clear 16 Exempt On file
Liu Yin Ping 960083 Clear 15 Exempt On file
Gonzalez Electric 962683 Clear 15 Exempt On file
Aveo INC 969881 Clear 14 Insured On file
Electech 982409 Clear 13 Exempt On file
Dynamic Solar 1006299 Clear 11 Insured On file
Monarch Information Systems LLC 1007648 Clear 11 Insured On file
Ion Security Systems 1015479 Clear 10 Exempt On file
Edesh Construction 1020843 Clear 10 Exempt On file
Ciel Air Conditioning and Electric 1039457 Clear 8 Insured On file
Ray Electrical Engineering INC 1039207 Clear 8 Insured On file
Smart Construction 1056267 Clear 7 Exempt On file
Integrated Wiring Concepts INC 1076152 Clear 5 Insured On file
Thlc Corporation 1077041 Clear 5 Insured On file
Vanta Construction & Design 1100647 Clear 3 Exempt On file
Barron Electric 1104314 Clear 3 Exempt On file
Quark La Electrical 1112779 Clear 3 Exempt On file
Xiaoqing 1113933 Clear 2 Exempt On file
Zhuoxin Construction 1116182 Clear 2 Insured On file
La Electrical & Construction INC 1119000 Clear 2 Exempt On file
Ray Bi Electrical & Energy LLC 1125153 Clear 2 Exempt On file
Arow Electric 1129710 Clear 1 Exempt On file
CA Sunshine Electrical 1133255 Clear 1 Insured On file
Wh Electrical 1147623 Clear <1 Exempt On file
Jia Xiaolong 1149248 Clear <1 Insured On file
Airpropower 1150732 Clear <1 Insured On file
Qd Power INC 1157184 Clear <1 Insured On file
Ice Man Power LLC 1158034 Clear <1 Exempt On file
Jing Y Electrical Services 1160291 Clear <1 Exempt On file
Caruso Edward Electric 529763 Susp: workers' compensation 38 None On file
R A Z Electric 932271 Susp: contractor's bond 17 Exempt On file
Enervision Electric Power LLC 1144854 Susp: liability insurance 1 Insured On file

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed electricians are in Diamond Bar?

CSLB's current public file lists 46 electricians with a Diamond Bar mailing address. 43 have a Clear status, and 87% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does an electrician need in California?

Look for C-10 on the license. 46 businesses in Diamond Bar hold it. Small jobs under $1,000 with no permit and no employees are exempt; everything else needs a license (details).

How do I check an electrician's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among Diamond Bar electricians, 63% are exempt (no employees), 34.8% insured and 2.2% without current coverage. Verify a policy with CSLB's insurer search (step by step).

Related

Electricians in nearby cities

More electricians lists in Los Angeles County

Other licensed trades in Diamond Bar

Guides