Rainbow SepticSeptic service company in Anacortes, WA

Rainbow Septic is ranked #7 of 24 septic service companies in Anacortes 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.

Rainbow Septic is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Anacortes and 8 towns within 25 miles: Oak Harbor, Burlington, Mount Vernon, Sedro-Woolley, Stanwood, Bellingham, Camano and Sudden Valley. 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.

Rainbow Septic has a rating of 5.0 from 8 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 Rainbow Septic on (360) 840-1750. The business is at 6742 Big Cedar Ln, Anacortes, WA 98221. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.