Olsson Plumbing Company
Olsson Plumbing Company operating as a sole owner is licensed in California under CSLB number 443706. The license was first issued in 1983, putting the business at 43 years on the active CSLB roster. It carries 5 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, C-42 Sanitation System Contractor, and C-43 Sheet Metal Contractor. Records show an active surety bond on file with Hudson Insurance Company and active workers' compensation coverage from Hartford Casualty Insurance Company. The business is based in Danville, in Contra Costa County, California.
- License Number
- 443706
- Issued
- Jul 27, 1983
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30122324
- Effective
- Jun 17, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Hartford Casualty Insurance Company
- Policy Number
- 57WECAT5RXA
- Effective
- Aug 4, 2025
- Expires
- Aug 4, 2026
This contractor warrants a closer look before contracting:
- License expires in 52 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Olsson Plumbing Company licensed in California?
Yes. Olsson Plumbing Company holds California Contractors State License Board license number 443706. The license was first issued on July 27, 1983. It is valid through July 31, 2026.
What does Olsson Plumbing Company specialize in?
Olsson Plumbing Company is licensed for 5 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-36 Plumbing Contractor, C-42 Sanitation System Contractor, and C-43 Sheet Metal Contractor.
Where is Olsson Plumbing Company headquartered?
Olsson Plumbing Company is headquartered at 806 Luz Court, Danville, CA 94526, in Contra Costa County, California.
Does Olsson Plumbing Company have an active surety bond on file with CSLB?
Yes. Olsson Plumbing Company has an active California contractor surety bond filed with Hudson Insurance Company.
Does Olsson Plumbing Company carry workers' compensation coverage?
Yes. Olsson Plumbing Company carries active workers' compensation coverage through Hartford Casualty Insurance Company.
How do I verify Olsson Plumbing Company's contractor license?
You can verify Olsson Plumbing Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=443706.
- License issuedJul 27, 1983
- Bond activeJun 17, 2023
- WC coverage startsAug 4, 2025
- License expiresJul 31, 2026
- WC expiresAug 4, 2026
- Martinez Sheet Metal INC#222277Martinez·B General Building Contractor
- Betti Val Plumbing & Heating INC#196928Richmond·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Bay Air Systems INC#450929Concord·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Seeno Albert D JR#281273Concord·A General Engineering Contractor
- Stewart Heating & Air INC#290747Pittsburg·B General Building Contractor
- Jensen H C Plumbing INC#265318Danville·C-20 HVAC Contractor
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Seaport Stainless#406268Richmond·C-20 HVAC Contractor