License is active
Source: Contractors State License Board (CSLB)
Licensed
Current and in good standing
Bonded
$25,000 surety bond
Insured
Workers' comp coverage on file
Clean record
No complaints or disciplinary actions
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COSTELLO'S PLUMBING
- License Number
- 1018923
- State
- California
- Status
- active WC Susp Pending
- Business Type
- Sole Owner
- Address
- 3826 ANZA WAY SAN LEANDRO, CA, 94578 Alameda County
- Phone
- (510) 415 0725
License Dates
Issued
09/30/2016
Expires
09/30/2026
Expires in 6 months — verify renewal before long contracts
CSLB Last Updated
03/09/2026
License Classifications
Personnel & Officers
COSTELLO GARY MARTIN JR
Sole Owner
Contractor Bond
Amount: $25,000
Company: HUDSON INSURANCE COMPANY
Bond #30127711
Effective: 08/16/2023
Workers' Compensation
Carrier: MID-CENTURY INSURANCE COMPANY
Policy #A09509070
Effective: 03/05/2025
Expires: 03/05/2026
CSLB designation: Workers' Compensation Insurance
Complaints & Disciplinary History
This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.
Verify this record on the official state licensing board
View on Contractors State License Board (CSLB) →Learn how to verify contractor licenses in California
California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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