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Olsson Plumbing Company: CSLB License #443706
Source: CSLB public data · Updated November 1, 2026 · CSLB's record
- Disciplinary bond on file
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The license is active with no suspension on record, though classifications, bonds and secondary flags still deserve a look.
License details
- License number
- 443706
- Primary status
- CLEAR · what this means
- Business type
- Sole Owner
- Issued
- July 27, 1983 (43 years)
- Reissued
- July 12, 2016
- Expires
- July 31, 2028
- Inactivated
- April 7, 2005
- Reactivated
- July 12, 2016
- Classifications
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
C-36 Plumbing Contractor
C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
C-42 Sanitation System Contractor
C-43 Sheet Metal Contractor - Location
- Danville, 94526
- Phone
- (510) 522-2442
This is a sole-owner license, so we show only the city and ZIP code.
Workers' compensation
- Type
- Workers' Compensation Insurance
- Insurer
- Hartford Casualty Insurance Company
- Policy number
- 57WECAT5RXA
- Effective
- August 4, 2025
- Expires
- August 4, 2027
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Atlantic Specialty Insurance Company
- Bond number
- 800250137
- Amount
- $25,000
- Effective
- June 17, 2026
Disciplinary bond
- Surety
- Platte River Insurance Company
- Bond number
- CLB2713805
- Amount
- $15,000
- Effective
- October 22, 2019
- Cancelled
- August 31, 2023
- Case number
- 2017000127
- Reason
- Conditional
- Region
- N
A disciplinary bond is required after some CSLB disciplinary actions. What it means.
Status history
No changes recorded since we began tracking this license on November 1, 2026. We compare every weekly CSLB file and log changes to status, bonds, workers' comp and classifications here.
Related
- Licensed plumbers in Danville
- Licensed contractors in Danville
- Contractors in Contra Costa County
- What "CLEAR" means
- How to check a contractor license
Data: CSLB Public Data Portal, file dated November 1, 2026. Status can change at any time. Verify on CSLB's Instant License Check. This site is not a consumer reporting agency under the FCRA; don't use it for employment, credit, insurance or housing decisions about an individual.