Basic Septic Design & InstallationSeptic service company in Ellensburg, WA

Basic Septic Design & Installation is ranked #2 of 12 septic service companies in Ellensburg by CR Score, with 65 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.

Basic Septic Design & Installation is open 7 days a week. Its listed hours are Monday to Sunday, 7 AM – 6 PM. On Saturdays it is open 7 AM to 6 PM, and on Sundays 7 AM to 6 PM. Hours come from the business listing; holiday hours may differ.

Serves Ellensburg and 4 towns within 25 miles: East Wenatchee, East Wenatchee Bench, Wenatchee and Quincy. 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.

Basic Septic Design & Installation has a rating of 5.0 from 63 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 Basic Septic Design & Installation on (800) 505-7731. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.