Advanced Mechanical, C-36 Plumbing Contractor in Grass Valley, CA
Advanced Mechanical operating as a sole owner holds an active California contractor license (CSLB #701029), valid through Jan 31, 2028. First issued in 1995, the license has been on the CSLB roster for 31 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Grass Valley, in Nevada County, California.
- License Number
- 701029
- Issued
- Jan 5, 1995
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67661511
- Effective
- Feb 7, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 29, 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 Advanced Mechanical licensed in California?
Yes. Advanced Mechanical holds California Contractors State License Board license number 701029, which is active and in good standing. The license was first issued on January 5, 1995. It is valid through January 31, 2028.
What does Advanced Mechanical specialize in?
Advanced Mechanical is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Advanced Mechanical headquartered?
Advanced Mechanical is headquartered at Po Box 4, Grass Valley, CA 95945, in Nevada County, California.
Does Advanced Mechanical have an active surety bond on file with CSLB?
Yes. Advanced Mechanical has an active California contractor surety bond filed with Western Surety Company.
Does Advanced Mechanical carry workers' compensation coverage?
Advanced Mechanical reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Advanced Mechanical's contractor license?
You can verify Advanced Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=701029.
- License issuedJan 5, 1995
- WC coverage startsDec 29, 2025
- Bond activeFeb 7, 2026
- License expiresJan 31, 2028
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