S D Locke INC, C-36 Plumbing Contractor in El Cajon, CA
S D Locke INC operating as a corporation holds California contractor license #542810, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 1988, the license has been on the CSLB roster for 38 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Technology Insurance Company INC. The business is based in El Cajon, in San Diego County, California.
- License Number
- 542810
- Issued
- Sep 30, 1988
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100502075
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Technology Insurance Company INC
- Policy Number
- TWC4705699
- Effective
- Dec 16, 2025
- Expires
- Dec 16, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is S D Locke INC licensed in California?
S D Locke INC previously held California Contractors State License Board license number 542810, but the license expired on August 31, 2026 and is not currently valid. It was first issued on September 30, 1988.
What does S D Locke INC specialize in?
S D Locke INC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is S D Locke INC headquartered?
S D Locke INC is headquartered at 643 Lingel Drive, El Cajon, CA 92019, in San Diego County, California.
Does S D Locke INC have an active surety bond on file with CSLB?
Yes. S D Locke INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does S D Locke INC carry workers' compensation coverage?
Yes. S D Locke INC carries active workers' compensation coverage through Technology Insurance Company INC.
How do I verify S D Locke INC's contractor license?
You can verify S D Locke INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=542810.
- License issuedSep 30, 1988
- Bond activeJan 1, 2023
- WC coverage startsDec 16, 2025
- License expiredAug 31, 2026
- WC expiresDec 16, 2026
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