Master Plumbing and Sewer INC
Master Plumbing and Sewer INC operating as a corporation is licensed in California under CSLB number 812321. The license was first issued in 2002, putting the business at 24 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 Merchants Bonding Company (mutual) and active workers' compensation coverage from Hartford Casualty Insurance Company. The business is based in Mountain View, in Santa Clara County, California.
- License Number
- 812321
- Issued
- Sep 9, 2002
- Status
- CLEAR
- Expires
- Nov 30, 2026
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101817343
- Effective
- Apr 25, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Hartford Casualty Insurance Company
- Policy Number
- 57WECBU2J87
- Effective
- Oct 1, 2025
- Expires
- Oct 1, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Master Plumbing and Sewer INC licensed in California?
Yes. Master Plumbing and Sewer INC holds California Contractors State License Board license number 812321. The license was first issued on September 9, 2002. It is valid through November 30, 2026.
What does Master Plumbing and Sewer INC specialize in?
Master Plumbing and Sewer INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Master Plumbing and Sewer INC headquartered?
Master Plumbing and Sewer INC is headquartered at P O Box 939, Mountain View, CA 94042, in Santa Clara County, California.
Does Master Plumbing and Sewer INC have an active surety bond on file with CSLB?
Yes. Master Plumbing and Sewer INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Master Plumbing and Sewer INC carry workers' compensation coverage?
Yes. Master Plumbing and Sewer INC carries active workers' compensation coverage through Hartford Casualty Insurance Company.
How do I verify Master Plumbing and Sewer INC's contractor license?
You can verify Master Plumbing and Sewer INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=812321.
- License issuedSep 9, 2002
- WC coverage startsOct 1, 2025
- Bond activeApr 25, 2026
- WC expiresOct 1, 2026
- License expiresNov 30, 2026
- S & S Tile INC#546064San Jose·B General Building Contractor
- Varela Builders#546499East Palo Alto·B General Building Contractor
- Schues Heating/Air Conditioning#538155Los Altos·C-36 Plumbing Contractor
- Bo Enterprises#524934Los Gatos·B General Building Contractor
- Lyons Brothers Plumbing#530583San Jose·C-36 Plumbing Contractor
- Terry Mechanical INC#584961San Jose·C-36 Plumbing Contractor
- Alvco#585720San Martin·B General Building Contractor
- Pipe Rite Systems#586932San Jose·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor