Redstone Plumbing Inc
San Francisco · San Francisco County · CA
FLAGGED
Bestopedia verdict
California’s contractor board lists Redstone Plumbing Inc with a status of Contr Bond Susp. No active contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 0 / 30
- Years licensed
- 3.5 / 20
- Contractor bond
- 5 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #1100526 verify on CSLB ↗
- Classifications
- C-36
- Years licensed
- 3.5 years since 01/17/2023
- Contractor bond
- $25,000 AMERICAN CONTRACTORS INDEMNITY COMPANY cancellation on file (02/05/2026)
- Workers’ comp
- Current STATE COMPENSATION INSURANCE FUND
- Business type
- Corporation
- Qualifying principal
- Tony Lo
- Address of record
- 5662 Mission Street, San Francisco, CA 94112
Frequently Asked Questions
Is Redstone Plumbing Inc a licensed Plumbing contractor in California?
Yes. Redstone Plumbing Inc holds California CSLB contractor license #1100526 with a C-36 (Plumbing) classification. Current CSLB status: Contr Bond Susp.
What work is Redstone Plumbing Inc licensed to perform?
License #1100526 carries C-36 (Plumbing).
Is Redstone Plumbing Inc bonded?
Yes. Redstone Plumbing Inc carries contractor's bond #100709741 for $25,000 through AMERICAN CONTRACTORS INDEMNITY COMPANY. Note: a bond cancellation date (02/05/2026) is on file.
Does Redstone Plumbing Inc carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with STATE COMPENSATION INSURANCE FUND, with a policy expiration of 12/18/2026.
How long has Redstone Plumbing Inc held its contractor license?
License #1100526 was originally issued on 01/17/2023, approximately 4 years ago (as of July 2026).
Where is Redstone Plumbing Inc located?
Redstone Plumbing Inc is based in San Francisco, San Francisco County, CA 94112.