Gunstone Septic CleaningSeptic service company in Olympia, WA

Gunstone Septic Cleaning is ranked #11 of 34 septic service companies in Olympia by CR Score, with 53 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.

Gunstone Septic Cleaning is open Monday to Friday. Its listed hours are Monday to Friday, 8 AM – 6 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Olympia and 11 towns within 25 miles: Tumwater, Lacey, Tanglewilde, Tanglewilde-Thompson Place, Shelton, DuPont, Yelm, Joint Base Lewis McChord, Steilacoom, Centralia and Lakewood. 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.

Gunstone Septic Cleaning has a rating of 3.6 from 18 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 Gunstone Septic Cleaning on (360) 352-9922. The business is at 3410 Sapp Rd SW, Olympia, WA 98512. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.