Wisdom Frank Plumbing
Fullerton · Orange County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Wisdom Frank Plumbing 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
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #437983 verify on CSLB ↗
- Classifications
- C-29, C-36
- Years licensed
- 43.3 years since 04/01/1983
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ comp
- Current AMTRUST INSURANCE COMPANY
- Business type
- Sole Owner
- Qualifying principal
- Frank Wisdom
- Address of record
- 2425 W Ash Avehouse, Fullerton, CA 92833
Frequently Asked Questions
Is Wisdom Frank Plumbing a licensed Plumbing contractor in California?
Yes. Wisdom Frank Plumbing holds California CSLB contractor license #437983 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Wisdom Frank Plumbing licensed to perform?
License #437983 carries C-36 (Plumbing), plus additional classifications: C29.
Is Wisdom Frank Plumbing bonded?
Yes. Wisdom Frank Plumbing carries contractor's bond #100192066 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.
Does Wisdom Frank Plumbing carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with AMTRUST INSURANCE COMPANY, with a policy expiration of 08/08/2026.
How long has Wisdom Frank Plumbing held its contractor license?
License #437983 was originally issued on 04/01/1983, approximately 43 years ago (as of July 2026).
Where is Wisdom Frank Plumbing located?
Wisdom Frank Plumbing is based in Fullerton, Orange County, CA 92833.