C S D M INC DBA Cal Steam Company (CSLB #674646)
CSLB #674646
Diamond Bar, CA · (213) 798-4693
License status
Active
Expires April 30, 2027 · Issued 1993
Expires April 30, 2027Issued July 22, 1993
BondContractor bond
$25,000
Western Surety Company
Workers' comp
On filePolicy on file
Florists Mutual Ins. Co. · to Aug 20, 2027Florists Mutual Ins. Co. Runs to August 20, 2027
ClassesClassifications
C-4 · C-20 Warm-air heating, ventilating and air-conditioning · C-36 Plumbing
FROM THE CSLB FILE DATED NOV 6, 2026
Status can change the same day. We don't approve contractors; this is the state's public file.
Check this license at CSLB ↗CSLB file dated NOV 6, 2026 · Status can change the same day · Check at CSLB ↗
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Johnny Unhyong Kim
Role: Responsible managing officer, chief executive officer, president
Qualifies: C-4, C-36, C-20
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The full record
- Business address
- 1142 S DIAMOND BL #169, Diamond Bar, CA 91765
- Phone
- (213) 798-4693
- Bond
- Western Surety Company · $25,000
- Workers' comp
- Florists Mutual Insurance Company · policy 2557672004 · Aug 20, 2026 to Aug 20, 2027
About this license
C S D M INC DBA Cal Steam Company of Diamond Bar, CA holds California contractor license #674646 in C-4, C-20 — Warm-air heating, ventilating and air-conditioning, and C-36 — Plumbing. The business phone on the license is (213) 798-4693. The license was issued July 22, 1993 and expires April 30, 2027, and the CSLB file lists it as active. Its contractor bond of $25,000 is with Western Surety Company. Workers' compensation is with Florists Mutual Insurance Company, policy dates August 20, 2026 – August 20, 2027. People on the license include Johnny Unhyong Kim (Responsible Managing Officer/Chief Executive Officer/President).