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M'guinness Construction

License #521406·Sole Owner·San Jose, Santa Clara County
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Summary

M'guinness Construction operating as a sole owner is licensed in California under CSLB number 521406. The license was first issued in 1987, putting the business at 39 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in San Jose, in Santa Clara County, California.

Business Information
Address
2351 Cherrystone Dr
San Jose, CA 95128
License Details & Classifications
License Number
521406
Issued
Dec 1, 1987
Status
CLEAR
Expires
Dec 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Merchants Bonding Company (mutual)
Bond Number
101778670
Effective
Feb 9, 2026
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Dec 31, 2025
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
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 M'guinness Construction licensed in California?

Yes. M'guinness Construction holds California Contractors State License Board license number 521406. The license was first issued on December 1, 1987. It is valid through December 31, 2027.

What does M'guinness Construction specialize in?

M'guinness Construction is licensed for one CSLB classification: B General Building Contractor.

Where is M'guinness Construction headquartered?

M'guinness Construction is headquartered at 2351 Cherrystone Dr, San Jose, CA 95128, in Santa Clara County, California.

Does M'guinness Construction have an active surety bond on file with CSLB?

Yes. M'guinness Construction has an active California contractor surety bond filed with Merchants Bonding Company (mutual).

Does M'guinness Construction carry workers' compensation coverage?

M'guinness Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify M'guinness Construction's contractor license?

You can verify M'guinness Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=521406.

Activity Timeline
  1. License issuedDec 1, 1987
  2. WC coverage startsDec 31, 2025
  3. Bond activeFeb 9, 2026
  4. License expiresDec 31, 2027
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