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Knuppe M J Development Company

License #742847·Sole Owner·Castro Valley, Alameda County
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Summary

Knuppe M J Development Company operating as a sole owner is licensed in California under CSLB number 742847. The license was first issued in 1997, putting the business at 29 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 American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Castro Valley, in Alameda County, California.

Business Information
Address
4545 Crow Canyon Place
Castro Valley, CA 94552
License Details & Classifications
License Number
742847
Issued
Nov 19, 1997
Status
CLEAR
Expires
Nov 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC6069300
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Dec 15, 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 Knuppe M J Development Company licensed in California?

Yes. Knuppe M J Development Company holds California Contractors State License Board license number 742847. The license was first issued on November 19, 1997. It is valid through November 30, 2027.

What does Knuppe M J Development Company specialize in?

Knuppe M J Development Company is licensed for one CSLB classification: B General Building Contractor.

Where is Knuppe M J Development Company headquartered?

Knuppe M J Development Company is headquartered at 4545 Crow Canyon Place, Castro Valley, CA 94552, in Alameda County, California.

Does Knuppe M J Development Company have an active surety bond on file with CSLB?

Yes. Knuppe M J Development Company has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Knuppe M J Development Company carry workers' compensation coverage?

Knuppe M J Development Company reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Knuppe M J Development Company's contractor license?

You can verify Knuppe M J Development Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=742847.

Activity Timeline
  1. License issuedNov 19, 1997
  2. Bond activeJan 1, 2023
  3. WC coverage startsDec 15, 2025
  4. License expiresNov 30, 2027
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