Welton Underground, C-34 Pipeline Contractor in Oakland, CA
Welton Underground operating as a corporation holds an active California contractor license (CSLB #1047016), valid through Nov 30, 2026. First issued in 2018, the license has been on the CSLB roster for 8 years. It carries a single CSLB classification: C-34 — Pipeline Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Everest Premier Insurance Company that is no longer active. The business is based in Oakland, in Alameda County, California.
- License Number
- 1047016
- Issued
- Nov 19, 2018
- Status
- CLEAR
- Expires
- Nov 30, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101009271
- Effective
- Nov 10, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Everest Premier Insurance Company
- Policy Number
- 7600027044251
- Effective
- Jun 6, 2025
- Expires
- Jun 2, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Welton Underground licensed in California?
Yes. Welton Underground holds California Contractors State License Board license number 1047016, which is active and in good standing. The license was first issued on November 19, 2018. It is valid through November 30, 2026.
What does Welton Underground specialize in?
Welton Underground is licensed for one CSLB classification: C-34 Pipeline Contractor.
Where is Welton Underground headquartered?
Welton Underground is headquartered at 1305 Franklin St 509, Oakland, CA 94612, in Alameda County, California.
Does Welton Underground have an active surety bond on file with CSLB?
Yes. Welton Underground has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Welton Underground carry workers' compensation coverage?
Welton Underground has a previously-filed workers' compensation policy with Everest Premier Insurance Company that is no longer active.
How do I verify Welton Underground's contractor license?
You can verify Welton Underground's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1047016.
- License issuedNov 19, 2018
- WC coverage startsJun 6, 2025
- Bond activeNov 10, 2025
- WC expiredJun 2, 2026
- License expiresNov 30, 2026
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