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Proper Plumbing Services LLC: CSLB License #1100951
Source: CSLB public data · Updated November 1, 2026 · CSLB's record
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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
- 1100951
- Primary status
- CLEAR · what this means
- Business type
- Limited Liability
- Issued
- January 30, 2023 (3 years)
- Expires
- April 30, 2028
- Inactivated
- September 29, 2023
- Reactivated
- April 25, 2024
- Classifications
- C-36 Plumbing Contractor
- Mailing address
- 21617 Gail Dr, Castro Valley, CA, 94546
- Phone
- (650) 580-3846
Workers' compensation
- Type
- Exempt
- Effective
- March 18, 2026
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- American Contractors Indemnity Company
- Bond number
- 100848551
- Amount
- $25,000
- Effective
- April 6, 2024
Bond of qualifying individual
- Surety
- Suretec Insurance Company
- Bond number
- 5343842
- Amount
- $100,000
- Effective
- March 19, 2026
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 Castro Valley
- Licensed contractors in Castro Valley
- Contractors in Alameda 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.