Holden Ralph & Co
Healdsburg · Sonoma County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Holden Ralph & Co in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 20 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 16 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #307640 verify on CSLB ↗
- Classifications
- A, B, C-10, C-16, C-36, C-57
- Years licensed
- 51.0 years since 07/01/1975
- Contractor bond
- $25,000 HUDSON INSURANCE COMPANY
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- Ralph Millard Holden
- Address of record
- 6055 W Dry Creek Road, Healdsburg, CA 95448
Frequently Asked Questions
Is Holden Ralph & Co a licensed Plumbing contractor in California?
Yes. Holden Ralph & Co holds California CSLB contractor license #307640 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Holden Ralph & Co licensed to perform?
License #307640 carries C-36 (Plumbing), plus additional classifications: A, B, C10, C16, C57.
Is Holden Ralph & Co bonded?
Yes. Holden Ralph & Co carries contractor's bond #TCS21239 for $25,000 through HUDSON INSURANCE COMPANY.
Does Holden Ralph & Co carry workers' compensation insurance?
Workers' compensation status on file: Exempt.
How long has Holden Ralph & Co held its contractor license?
License #307640 was originally issued on 07/01/1975, approximately 51 years ago (as of July 2026).
Where is Holden Ralph & Co located?
Holden Ralph & Co is based in Healdsburg, Sonoma County, CA 95448.