Horizon Underground LLC, A General Engineering Contractor in Norco, CA
Horizon Underground LLC operating as a limited liability holds an active California contractor license (CSLB #1149574), valid through Jan 31, 2028. It carries 2 CSLB classifications: A General Engineering Contractor and C-61/D-9 Drilling, Blasting and Oil Field Work Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from American Casualty Company of Reading PA. The business is based in Norco, in Riverside County, California.
- License Number
- 1149574
- Issued
- Jan 27, 2026
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Limited Liability
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101733386
- Effective
- Dec 30, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- American Casualty Company of Reading PA
- Policy Number
- 8037181150
- Effective
- Jan 16, 2026
- Expires
- Nov 1, 2026
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Horizon Underground LLC licensed in California?
Yes. Horizon Underground LLC holds California Contractors State License Board license number 1149574, which is active and in good standing. The license was first issued on January 27, 2026. It is valid through January 31, 2028.
What does Horizon Underground LLC specialize in?
Horizon Underground LLC is licensed for 2 CSLB classifications: A General Engineering Contractor and C-61/D-9 Drilling, Blasting and Oil Field Work Contractor.
Where is Horizon Underground LLC headquartered?
Horizon Underground LLC is headquartered at 1595 Mountain Ave, Norco, CA 92860, in Riverside County, California.
Does Horizon Underground LLC have an active surety bond on file with CSLB?
Yes. Horizon Underground LLC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Horizon Underground LLC carry workers' compensation coverage?
Yes. Horizon Underground LLC carries active workers' compensation coverage through American Casualty Company of Reading PA.
How do I verify Horizon Underground LLC's contractor license?
You can verify Horizon Underground LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1149574.
- Bond activeDec 30, 2025
- WC coverage startsJan 16, 2026
- License issuedJan 27, 2026
- WC expiresNov 1, 2026
- License expiresJan 31, 2028
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