William Silletti & Associates
Verified against CSLB on · View on CSLB
License details
- License number
- 518820
- Classifications
- A · General EngineeringB · General BuildingC-16 · Fire ProtectionC-36 · PlumbingC-53 · Swimming PoolHAZ · Hazardous Substance Removal Certification
- License term on file
- October 6, 1987 – October 31, 2026
Business
- (818) 780 7027 (CSLB public record)
- 18017 CHATSWORTH ST STE 423, Granada Hills, CA 91344Los Angeles County
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What to check next
Frequently asked questions
Is William Silletti & Associates licensed in California?
Yes. William Silletti & Associates holds an active California state contractor license (CSLB #518820), verified against the CSLB public record on August 4, 2026.
What is William Silletti & Associates's CSLB license number?
William Silletti & Associates's California contractor license number is 518820. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
What kind of work is William Silletti & Associates licensed for?
William Silletti & Associates is classified under General Engineering (A), General Building (B), Fire Protection (C-16), Plumbing (C-36), Swimming Pool (C-53), and Hazardous Substance Removal Certification (HAZ) by the CSLB.
How do I verify William Silletti & Associates's license myself?
Look up license #518820 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #518820 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.