Advanced SanitationSeptic service company in Oxnard, CA

Advanced Sanitation is ranked #2 of 36 septic service companies in Oxnard by CR Score, with 60 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

Advanced Sanitation is open Monday to Friday. Its listed hours are Monday to Friday, 7 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Oxnard and 11 towns within 25 miles: Camarillo, Moorpark, Santa Paula, El Rio, Fillmore, Thousand Oaks, Simi Valley, Westlake Village, Port Hueneme, Oak Park and Agoura Hills. The list is based on the business's location and the usual service radius for septic and sewer service. Confirm your address is covered when you call.

Advanced Sanitation has a rating of 4.9 from 125 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call Advanced Sanitation on (805) 849-1754. The business is at 3379 Somis Rd Unit E, Somis, CA 93066, Oxnard, CA. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.