Wilson A D INC
- 4078 Crestview Dr, Norco, CA 92860
- (951) 737-3822
- October 18, 2026
Rivard Timothy A operates out of Riverside in Riverside County and carries CSLB license #231048, classification A — General Engineering, C16 Fire Protection, C34 Pipeline, C42 Sanitation System, HAZ Hazardous Substance Removal Certification. At the time this listing was compiled, the license was active with no suspension recorded.
This trade handles everything between the house and the main or the tank: clearing and repairing blocked laterals, replacing collapsed clay or cast-iron sewer pipe, installing and servicing septic systems, and restoring failed leach fields.
Working in the Inland Empire: The region sits between the San Andreas and San Jacinto fault systems, so seismic requirements are woven through the building code here in ways they are not everywhere.
Before you hire any septic or sewer contractor: On septic, ask which county environmental health permit the work requires. Tank replacement and leach field work are permitted and inspected at the county level, and an unpermitted system is a problem at resale.
License status can change at any time. Confirm license #231048 is current, and check bond and workers’ compensation coverage, using the CSLB license lookup before signing a contract or paying a deposit.
This profile was compiled from California State License Board public records and is unclaimed — Rivard Timothy A has not added its own details. Are you the owner? Claim this listing to add photos, services and a description of your work, or contact us to have it removed.
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