Mast & Sons Plumbing
Mast & Sons Plumbing operating as a partnership is licensed in California under CSLB number 1027861. The license was first issued in 2017, putting the business at 9 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Jet Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in San Andreas, in Calaveras County, California.
- License Number
- 1027861
- Issued
- Jun 14, 2017
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Partnership
- Surety
- Jet Insurance Company
- Bond Number
- BX0037918
- Effective
- Nov 9, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 2, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mast & Sons Plumbing licensed in California?
Yes. Mast & Sons Plumbing holds California Contractors State License Board license number 1027861. The license was first issued on June 14, 2017. It is valid through June 30, 2027.
What does Mast & Sons Plumbing specialize in?
Mast & Sons Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Mast & Sons Plumbing headquartered?
Mast & Sons Plumbing is headquartered at 3670 Mountain Ranch Rd, San Andreas, CA 95249, in Calaveras County, California.
Does Mast & Sons Plumbing have an active surety bond on file with CSLB?
Yes. Mast & Sons Plumbing has an active California contractor surety bond filed with Jet Insurance Company.
Does Mast & Sons Plumbing carry workers' compensation coverage?
Mast & Sons Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mast & Sons Plumbing's contractor license?
You can verify Mast & Sons Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1027861.
- License issuedJun 14, 2017
- Bond activeNov 9, 2023
- WC coverage startsJun 2, 2025
- License expiresJun 30, 2027
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