Master Plumbing
Rancho Santa Margarita · Orange County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Master Plumbing in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 19.7 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #885312 verify on CSLB ↗
- Classifications
- C-36
- Years licensed
- 19.7 years since 10/04/2006
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY
- Workers’ comp
- Current HARTFORD CASUALTY INSURANCE COMPANY
- Business type
- Corporation
- Qualifying principal
- Ryan Paul Seiver
- Address of record
- 4 Via Magnolia, Rancho Santa Margarita, CA 92688
Frequently Asked Questions
Is Master Plumbing a licensed Plumbing contractor in California?
Yes. Master Plumbing holds California CSLB contractor license #885312 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Master Plumbing licensed to perform?
License #885312 carries C-36 (Plumbing).
Is Master Plumbing bonded?
Yes. Master Plumbing carries contractor's bond #100261256 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY.
Does Master Plumbing carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with HARTFORD CASUALTY INSURANCE COMPANY, with a policy expiration of 09/02/2026.
How long has Master Plumbing held its contractor license?
License #885312 was originally issued on 10/04/2006, approximately 20 years ago (as of July 2026).
Where is Master Plumbing located?
Master Plumbing is based in Rancho Santa Margarita, Orange County, CA 92688.