Public CSLB records

Mark Harris Plumbing CO INC, C-36 Plumbing Contractor in El Cajon, CA

License #605808·Corporation·El Cajon, San Diego County
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Summary

Mark Harris Plumbing CO INC operating as a corporation holds an active California contractor license (CSLB #605808), valid through Nov 30, 2026. First issued in 1990, the license has been on the CSLB roster for 36 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 Cypress Insurance Company. The business is based in El Cajon, in San Diego County, California.

Business Information
Address
1770 Gillespie Way Suite 101
El Cajon, CA 92020
License Details & Classifications
License Number
605808
Issued
Nov 2, 1990
Status
CLEAR
Expires
Nov 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC683682
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Cypress Insurance Company
Policy Number
MAWC650499
Effective
Sep 1, 2025
Expires
Sep 1, 2026
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Mark Harris Plumbing CO INC licensed in California?

Yes. Mark Harris Plumbing CO INC holds California Contractors State License Board license number 605808, which is active and in good standing. The license was first issued on November 2, 1990. It is valid through November 30, 2026.

What does Mark Harris Plumbing CO INC specialize in?

Mark Harris Plumbing CO INC is licensed for one CSLB classification: C-36 Plumbing Contractor.

Where is Mark Harris Plumbing CO INC headquartered?

Mark Harris Plumbing CO INC is headquartered at 1770 Gillespie Way Suite 101, El Cajon, CA 92020, in San Diego County, California.

Does Mark Harris Plumbing CO INC have an active surety bond on file with CSLB?

Yes. Mark Harris Plumbing CO INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Mark Harris Plumbing CO INC carry workers' compensation coverage?

Yes. Mark Harris Plumbing CO INC carries active workers' compensation coverage through Cypress Insurance Company.

How do I verify Mark Harris Plumbing CO INC's contractor license?

You can verify Mark Harris Plumbing CO INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=605808.

Activity Timeline
  1. License issuedNov 2, 1990
  2. Bond activeJan 1, 2023
  3. WC coverage startsSep 1, 2025
  4. WC expiresSep 1, 2026
  5. License expiresNov 30, 2026
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California lien & payment resources

Working a California job with Mark Harris Plumbing CO INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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