Z1 Construction
Z1 Construction operating as a sole owner is licensed in California under CSLB number 1064551. The license was first issued in 2020, putting the business at 6 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Ontario, in San Bernardino County, California.
- License Number
- 1064551
- Issued
- Mar 20, 2020
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G120203507017
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 12, 2026
- 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 Z1 Construction licensed in California?
Yes. Z1 Construction holds California Contractors State License Board license number 1064551. The license was first issued on March 20, 2020. It is valid through March 31, 2028.
What does Z1 Construction specialize in?
Z1 Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Z1 Construction headquartered?
Z1 Construction is headquartered at 2471 E Danbury Street, Ontario, CA 91761, in San Bernardino County, California.
Does Z1 Construction have an active surety bond on file with CSLB?
Yes. Z1 Construction has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does Z1 Construction carry workers' compensation coverage?
Z1 Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Z1 Construction's contractor license?
You can verify Z1 Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1064551.
- License issuedMar 20, 2020
- Bond activeJan 1, 2023
- WC coverage startsFeb 12, 2026
- License expiresMar 31, 2028
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