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Holden Ralph & CO: CSLB License #307640
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
- 307640
- Primary status
- CLEAR · what this means
- Business type
- Sole Owner
- Full business name
- Ralph Holden & CO
- Issued
- July 1, 1975 (51 years)
- Expires
- August 31, 2028
- Classifications
- A General Engineering Contractor
B General Building Contractor
C-10 Electrical Contractor
C-16 Fire Protection Contractor
C-36 Plumbing Contractor
C-57 Well Drilling Contractor - Location
- Healdsburg, 95448
- Phone
- (707) 484 2558
This is a sole-owner license, so we show only the city and ZIP code.
Workers' compensation
- Type
- Exempt
- Effective
- July 27, 2026
Confirm coverage with CSLB's insurer search. How to check workers' comp.
Contractor's bond
- Surety
- Merchants Bonding Company (mutual)
- Bond number
- 101963274
- Amount
- $25,000
- Effective
- August 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 general contractors in Healdsburg
- Contractors in Sonoma 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.