NorCal Superior SystemsSeptic service company in Santa Rosa, CA

NorCal Superior Systems is ranked #20 of 42 septic service companies in Santa Rosa by CR Score, with 55 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.

NorCal Superior Systems is open Monday to Saturday. Its listed hours are Monday to Saturday, 7 AM – 6 PM. On Saturdays it is open 7 AM to 6 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Santa Rosa and 11 towns within 25 miles: Healdsburg, Windsor, Larkfield-Wikiup, Calistoga, Hidden Valley Lake, Roseland, Cloverdale, Sebastopol, Saint Helena, Clearlake and Rohnert Park. 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.

NorCal Superior Systems has a rating of 5.0 from 4 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 NorCal Superior Systems on (707) 536-3338. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.