Clark's Septic ServicesSeptic service company in Manteca, CA

Clark's Septic Services is ranked #14 of 32 septic service companies in Manteca by CR Score, with 52 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.

Clark's Septic Services 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 Manteca and 11 towns within 25 miles: Lathrop, Ripon, Salida, Garden Acres, Stockton, Escalon, Tracy, August, Country Club, West Modesto and Riverbank. 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.

Clark's Septic Services has a rating of 4.6 from 5 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 Clark's Septic Services on (209) 239-7962. The business is at Manteca, CA 95336. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.