Fire sprinkler
Demiguel Plumbing
Demiguel Plumbing is a fire sprinkler company based in Castro Valley, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 406575) from the California Contractors State License Board, verified against state records on October 24, 2026.
State license verified October 24, 2026
California Contractors State License Board licenses
| License | Type | Expires | Status |
|---|---|---|---|
| 406575 | CSLB C-16 Fire Protection Contractor | June 30, 2027 | active |
Services
- Fire sprinkler. Design, installation, inspection, testing and maintenance of fire sprinkler systems, including underground fire mains and dwelling systems.
Services are inferred from the company's state licenses. Confirm specific capabilities with the company.
Locations
- Primary: Castro Valley, CA 94546 · Alameda County
Other licensed companies in Castro Valley
All Commercial Fire Protection Inc
Fire sprinkler 1 active license
Northcal Fire Protection
Fire sprinkler 1 active license
All 3 companies in Castro Valley →
Source: California Contractors State License Board (CSLB) licensee records, retrieved October 24, 2026. Machine-readable: JSON · Markdown.