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Stone K B Diamond Corporation: CSLB License #630852
Source: CSLB public data · Updated November 1, 2026 · Official CSLB 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
- 630852
- Primary status
- CLEAR · what this means
- Business type
- Corporation
- Full business name
- K B Stone Diamond Corporation
- Issued
- October 22, 1991 (35 years)
- Expires
- October 31, 2027
- Classifications
- B General Building Contractor
- Mailing address
- P O Box 477, Lafayette, CA, 94549
- Phone
- (925) 934 2711
Workers' compensation
- Type
- Workers' Compensation Insurance
- Insurer
- Everest Premier Insurance Company
- Policy number
- 7600015170261
- Effective
- July 1, 2026
- Expires
- July 1, 2027
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- American Contractors Indemnity Company
- Bond number
- SC6046497
- Amount
- $25,000
- Effective
- January 1, 2023
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 general contractors in Lafayette
- Licensed contractors in Lafayette
- 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.