Gudmunson Septic IncSeptic service company in Mount Vernon, WA

Gudmunson Septic Inc is ranked #11 of 32 septic service companies in Mount Vernon 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 Mount Vernon and 9 towns within 25 miles: Burlington, Sedro-Woolley, Stanwood, Arlington, Anacortes, Oak Harbor, Camano, Sudden Valley and Tulalip. 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.

Gudmunson Septic Inc has a rating of 2.9 from 9 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 Gudmunson Septic Inc on (360) 424-4137. The business is at 22009 Mt Vernon Big Lake Rd, Mount Vernon, WA 98274. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.