Fire sprinkler
Klaus & Sons Plumbing Heating & Air Conditioning
Klaus & Sons Plumbing Heating & Air Conditioning is a fire sprinkler company based in Montclair, California. It holds an active CSLB C-16 Fire Protection Contractor license (No. 320990) 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 |
|---|---|---|---|
| 320990 | CSLB C-16 Fire Protection Contractor | July 31, 2028 | 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: 5623 Arrow Hwy, Montclair, CA 91763 · San Bernardino County
Also known as: Klaus & Sons Construction Inc
Other licensed companies in Montclair
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Wilfredo Torres
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All 5 companies in Montclair →
Source: California Contractors State License Board (CSLB) licensee records, retrieved October 24, 2026. Machine-readable: JSON · Markdown.