California contractor license
OLSSON PLUMBING COMPANY
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
- C-4 Boiler, Hot Water Heating And Steam Fitting
- C42 Sanitation System
- C43 Sheet Metal
OLSSON PLUMBING COMPANY is a contractor with 5 license classifications, including C20 Warm-Air Heating, Ventilating And Air-Conditioning and C36 Plumbing, in Danville, Contra Costa County, licensed in California for 43 years (since 1983). 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.
OLSSON PLUMBING COMPANYC20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · C-4 Boiler, Hot Water Heating And Steam Fitting · C42 Sanitation System · C43 Sheet Metal · checked Jun 19, 2026
ActiveLicense number#443706
Licensed sinceJul 27, 1983
Years licensed43 years
Expiration on recordJul 31, 2028
City and countyDanville, Contra Costa 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.