Costello's Plumbing
San Leandro · Alameda County · CA
VERIFIED
Bestopedia verdict
California’s contractor board lists Costello's Plumbing in CLEAR standing. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 30 / 30
- Years licensed
- 9.8 / 20
- Contractor bond
- 20 / 20
- Workers' comp
- 20 / 20
- Business structure
- 10 / 10
The verified record
- CSLB license
- #1018923 verify on CSLB ↗
- Classifications
- C-36
- Years licensed
- 9.8 years since 09/30/2016
- Contractor bond
- $25,000 HUDSON INSURANCE COMPANY
- Workers’ comp
- Current AMTRUST INSURANCE COMPANY
- Business type
- Sole Owner
- Qualifying principal
- Gary Martin Jr Costello
- Address of record
- 3826 Anza Way, San Leandro, CA 94578
Frequently Asked Questions
Is Costello's Plumbing a licensed Plumbing contractor in California?
Yes. Costello's Plumbing holds California CSLB contractor license #1018923 with a C-36 (Plumbing) classification. Current CSLB status: CLEAR.
What work is Costello's Plumbing licensed to perform?
License #1018923 carries C-36 (Plumbing).
Is Costello's Plumbing bonded?
Yes. Costello's Plumbing carries contractor's bond #30127711 for $25,000 through HUDSON INSURANCE COMPANY.
Does Costello's Plumbing carry workers' compensation insurance?
Yes. Workers' compensation insurance is on file with AMTRUST INSURANCE COMPANY, with a policy expiration of 04/16/2027.
How long has Costello's Plumbing held its contractor license?
License #1018923 was originally issued on 09/30/2016, approximately 10 years ago (as of July 2026).
Where is Costello's Plumbing located?
Costello's Plumbing is based in San Leandro, Alameda County, CA 94578.