Zion Engineering, A General Engineering Contractor in Mill Valley, CA
Zion Engineering operating as a sole owner holds an active California contractor license (CSLB #440082), valid through May 31, 2027. First issued in 1983, the license has been on the CSLB roster for 43 years. It carries 3 CSLB classifications: A General Engineering Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Mill Valley, in Marin County, California.
- License Number
- 440082
- Issued
- May 13, 1983
- Status
- CLEAR
- Expires
- May 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100565343
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 28, 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 Zion Engineering licensed in California?
Yes. Zion Engineering holds California Contractors State License Board license number 440082, which is active and in good standing. The license was first issued on May 13, 1983. It is valid through May 31, 2027.
What does Zion Engineering specialize in?
Zion Engineering is licensed for 3 CSLB classifications: A General Engineering Contractor, C-16 Fire Protection Contractor, and C-36 Plumbing Contractor.
Where is Zion Engineering headquartered?
Zion Engineering is headquartered at 9 Mountain Lodge Lane, Mill Valley, CA 94941, in Marin County, California.
Does Zion Engineering have an active surety bond on file with CSLB?
Yes. Zion Engineering has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Zion Engineering carry workers' compensation coverage?
Zion Engineering reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Zion Engineering's contractor license?
You can verify Zion Engineering's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=440082.
- License issuedMay 13, 1983
- Bond activeJan 1, 2023
- WC coverage startsAug 28, 2025
- License expiresMay 31, 2027
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