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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ZAK PLUMBING CO
DBA: SPENCER JOSEPH ZAK
- License Number
- 654608
- State
- California
- Status
- active LIC-Cont in eff
- Business Type
- Sole Owner
- Address
- P O BOX 281 MILL VALLEY, CA, 94942 Marin County
- Phone
- (415) 383 6317
License Dates
Issued
09/22/1992
Expires
09/24/2026
Expires in 6 months — verify renewal before long contracts
CSLB Last Updated
02/06/2026
License Classifications
Personnel & Officers
ZAK SPENCER JOSEPH
Continuance Granted
ZAK JOHN ERWIN
Deceased
Contractor Bond
Amount: $25,000
Company: WESTERN SURETY COMPANY
Bond #67745856
Effective: 02/05/2026
Workers' Compensation
Carrier: SECURITY NATIONAL INSURANCE COMPANY
Policy #SWC1554373
Effective: 05/06/2025
Expires: 05/06/2026
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
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California licensing guide →Data sourced from official state licensing board records. Always confirm critical information directly with the state board.
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