Alliance Septic ServiceSeptic service company in Paso Robles, CA

Alliance Septic Service is ranked #2 of 11 septic service companies in Paso Robles by CR Score, with 59 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.

Alliance Septic Service is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Paso Robles and 4 towns within 25 miles: Templeton, Atascadero, Morro Bay and San Luis Obispo. 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.

Alliance Septic Service has a rating of 4.8 from 22 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 Alliance Septic Service on (805) 221-5493. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.