Public CSLB records

Waltco Builders

License #579389·Sole Owner·Burlingame, San Mateo County
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Summary

Waltco Builders operating as a sole owner is licensed in California under CSLB number 579389. The license was first issued in 1989, putting the business at 37 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 Burlingame, in San Mateo County, California.

Business Information
Address
1325 Howard Ave #236
Burlingame, CA 94010
License Details & Classifications
License Number
579389
Issued
Oct 16, 1989
Status
CLEAR
Expires
Oct 31, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC674033
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
Policy Number
Effective
Sep 9, 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 Waltco Builders licensed in California?

Yes. Waltco Builders holds California Contractors State License Board license number 579389. The license was first issued on October 16, 1989. It is valid through October 31, 2027.

What does Waltco Builders specialize in?

Waltco Builders is licensed for one CSLB classification: B General Building Contractor.

Where is Waltco Builders headquartered?

Waltco Builders is headquartered at 1325 Howard Ave #236, Burlingame, CA 94010, in San Mateo County, California.

Does Waltco Builders have an active surety bond on file with CSLB?

Yes. Waltco Builders has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Waltco Builders carry workers' compensation coverage?

Waltco Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Waltco Builders's contractor license?

You can verify Waltco Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=579389.

Activity Timeline
  1. License issuedOct 16, 1989
  2. Bond activeJan 1, 2023
  3. WC coverage startsSep 9, 2025
  4. License expiresOct 31, 2027
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