Fire sprinkler
St1 Construction Inc
St1 Construction Inc is a fire sprinkler company based in Lake Forest, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 1141104) 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 |
|---|---|---|---|
| 1141104 | CSLB C-16 Fire Protection Contractor | July 31, 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: 308 Autumn Sage, Lake Forest, CA 92610 · Orange County
Other licensed companies in Lake Forest
All Star Plumbing & Fire Sprinkler Inc
Fire sprinkler 1 active license
BL Cunningham Enterprises
Fire sprinkler 1 active license
Bradford I Cunningham
Fire sprinkler 1 active license
EVR Fire Protection Inc
Fire sprinkler 1 active license
Quick Response Fire GG
Fire sprinkler 1 active license
All 6 companies in Lake Forest →
Source: California Contractors State License Board (CSLB) licensee records, retrieved October 24, 2026. Machine-readable: JSON · Markdown.