Clark's Septic ServicesSeptic service company in Spokane, WA

Clark's Septic Services is ranked #14 of 26 septic service companies in Spokane by CR Score, with 54 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.

Serves Spokane and 10 towns within 25 miles: Country Homes, Airway Heights, Mead, Dishman, Spokane Valley, Opportunity, Veradale, Cheney, Liberty Lake and Otis Orchards-East Farms. 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 3.0 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 Clark's Septic Services on (509) 467-7776. The business is at 12303 W Charles Rd, Nine Mile Falls, WA 99026, Spokane, WA. Ask for a written estimate before any work starts.