Waltco Builders
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.
- License Number
- 579389
- Issued
- Oct 16, 1989
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC674033
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 9, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
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.
- License issuedOct 16, 1989
- Bond activeJan 1, 2023
- WC coverage startsSep 9, 2025
- License expiresOct 31, 2027
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