California contractor license
KLAUS & SONS CONSTRUCTION INC
- C10 Electrical
- C16 Fire Protection
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
KLAUS & SONS CONSTRUCTION INC is a contractor with 4 license classifications, including C10 Electrical and C16 Fire Protection, in Montclair, San Bernardino County, licensed in California for 50 years (since 1976). As of Jun 19, 2026, the license is active with an expiration date of Jul 31, 2028 on record and a license bond is on file.
KLAUS & SONS CONSTRUCTION INCC10 Electrical · C16 Fire Protection · C20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · checked Jun 19, 2026
ActiveLicense number#320990
Licensed sinceJun 25, 1976
Years licensed50 years
Expiration on recordJul 31, 2028
City and countyMontclair, San Bernardino County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Jun 19, 2026.