Sewer System Inspection Service locations near Walnut Creek, CA

Showing 1–5 of 5 results

This page indexes 5 sewer system inspection service listings for Walnut Creek, CA, covering 5 ZIP codes. Details on this page were last refreshed Jul 2026.

Updated Jul 2026

Castro Valley Sanitary District

Sewer System Inspection Service

📍 21040 Marshall St, Castro Valley, CA, 94546

📞 510-537-0757

🌐 www.cvsan.org

Castro Valley Sanitary District is a small public agency. We are committed to provide safe, efficient, and effective wastewater and solid waste management. For more information, call or visit our website.

Updated Jul 2026