McNel Septic ServiceSeptic service company in Kent, WA

McNel Septic Service is ranked #15 of 159 septic service companies in Kent by CR Score, with 58 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.

McNel Septic Service 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 Kent and 12 towns within 25 miles: Issaquah, Klahanie, East Renton Highlands, West Lake Sammamish, City of Sammamish, Newcastle, Hobart, Fairwood, Snoqualmie, Sammamish, Maple Valley and Renton. 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.

McNel Septic Service has a rating of 4.9 from 144 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 McNel Septic Service on (425) 432-2270. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.