Lanco Underground
Lanco Underground operating as a corporation is licensed in California under CSLB number 755050. The license was first issued in 1998, putting the business at 28 years on the active CSLB roster. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Alpine, in San Diego County, California.
- License Number
- 755050
- Issued
- Oct 8, 1998
- Status
- CLEAR
- Expires
- Dec 31, 2026
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901209406
- Effective
- Mar 27, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWC1413706
- Effective
- Nov 8, 2025
- Expires
- Nov 8, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Lanco Underground licensed in California?
Yes. Lanco Underground holds California Contractors State License Board license number 755050. The license was first issued on October 8, 1998. It is valid through December 31, 2026.
What does Lanco Underground specialize in?
Lanco Underground is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Lanco Underground headquartered?
Lanco Underground is headquartered at Po Box 2173, Alpine, CA 91903, in San Diego County, California.
Does Lanco Underground have an active surety bond on file with CSLB?
Yes. Lanco Underground has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Lanco Underground carry workers' compensation coverage?
Yes. Lanco Underground carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Lanco Underground's contractor license?
You can verify Lanco Underground's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=755050.
- License issuedOct 8, 1998
- WC coverage startsNov 8, 2025
- Bond activeMar 27, 2026
- WC expiresNov 8, 2026
- License expiresDec 31, 2026
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