Sierra Water Systems, C-61/D-21 Machinery and Pumps Contractor in Penn Valley, CA
Sierra Water Systems operating as a sole owner holds California contractor license #877878, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries a single CSLB classification: C-61/D-21 — Machinery and Pumps Contractor. Records show an active surety bond on file with North River Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Penn Valley, in Nevada County, California.
- License Number
- 877878
- Issued
- May 17, 2006
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF645425
- Effective
- Jul 12, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- May 30, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sierra Water Systems licensed in California?
Sierra Water Systems previously held California Contractors State License Board license number 877878, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 17, 2006.
What does Sierra Water Systems specialize in?
Sierra Water Systems is licensed for one CSLB classification: C-61/D-21 Machinery and Pumps Contractor.
Where is Sierra Water Systems headquartered?
Sierra Water Systems is headquartered at 10409 Mc Land Ct, Penn Valley, CA 95946, in Nevada County, California.
Does Sierra Water Systems have an active surety bond on file with CSLB?
Yes. Sierra Water Systems has an active California contractor surety bond filed with North River Insurance Company (the).
Does Sierra Water Systems carry workers' compensation coverage?
Sierra Water Systems reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sierra Water Systems's contractor license?
You can verify Sierra Water Systems's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=877878.
- License issuedMay 17, 2006
- WC coverage startsMay 30, 2024
- Bond activeJul 12, 2025
- License expiredMay 31, 2026
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