Chien Ming Chu Chen
● Active — license status verified against CSLB public data as of November 6, 2026
| CSLB license | #820540 |
|---|---|
| Classifications | B — General Building · C-10 — Electrical · C-36 — Plumbing |
| Office of record | 20803 Quail Run Drive Diamond Bar, CA 91789 Address as listed in the CSLB record — the office of record, not a service-area claim. |
| Phone (CSLB record) | (626) 705-7227 |
| Contractor bond | $25,000 — Atlantic Specialty Insurance Company |
| Workers' comp (CSLB record) | Exempt |
| Business type | Sole Owner |
| License issued | June 9, 2003 |
| License expires | June 30, 2027 |
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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.