Public CSLB records

Marin Guillermo, C-38 Refrigeration Contractor in Los Angeles, CA

License #917103·Sole Owner·Los Angeles, Los Angeles County
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Summary

Marin Guillermo operating as a sole owner holds an active California contractor license (CSLB #917103), valid through Dec 31, 2027. First issued in 2008, the license has been on the CSLB roster for 18 years. It carries a single CSLB classification: C-38 — Refrigeration Contractor. Records show a previously-filed surety bond from American Contractors Indemnity Company that is no longer active. The business is based in Los Angeles, in Los Angeles County, California.

Business Information
Address
207 S Rowan Avenue
Los Angeles, CA 90063
License Details & Classifications
License Number
917103
Issued
Jun 6, 2008
Status
CLEAR
Expires
Dec 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100967355
Effective
May 25, 2025
Status
Cancelled
Cancelled
May 3, 2026
Workers' Compensation
Coverage
License does not have current W/C
Carrier
Policy Number
Effective
Dec 27, 2025
Expires
Alert

This contractor has a compliance issue in its public CSLB record:

  • Contractor bond cancelled
  • No active workers' comp on file
License StatusActive
Contractor BondCancelled
Workers' CompensationInactive

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

Frequently asked questions
Is Marin Guillermo licensed in California?

Yes. Marin Guillermo holds California Contractors State License Board license number 917103, which is active and in good standing. The license was first issued on June 6, 2008. It is valid through December 31, 2027.

What does Marin Guillermo specialize in?

Marin Guillermo is licensed for one CSLB classification: C-38 Refrigeration Contractor.

Where is Marin Guillermo headquartered?

Marin Guillermo is headquartered at 207 S Rowan Avenue, Los Angeles, CA 90063, in Los Angeles County, California.

Does Marin Guillermo have an active surety bond on file with CSLB?

Marin Guillermo has a previously-filed surety bond from American Contractors Indemnity Company that is no longer active.

How do I verify Marin Guillermo's contractor license?

You can verify Marin Guillermo's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=917103.

Activity Timeline
  1. License issuedJun 6, 2008
  2. Bond activeMay 25, 2025
  3. WC coverage startsDec 27, 2025
  4. Bond cancelledMay 3, 2026
  5. License expiresDec 31, 2027
Other contractors in Los Angeles County
California lien & payment resources

Working a California job with Marin Guillermo, 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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