Whalen Designs LLCSeptic service company in Monroe, WA

Whalen Designs LLC is ranked #46 of 122 septic service companies in Monroe 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.

Whalen Designs LLC 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 Monroe and 11 towns within 25 miles: Woods Creek, Snohomish, Maltby, Duvall, Silver Firs, Cottage Lake, North Creek, Mill Creek East, Eastmont, Bothell East and Mill Creek. 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.

Whalen Designs LLC has a rating of 4.8 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 Whalen Designs LLC on (360) 794-5506. The business is at 1000 W Main St, Monroe, WA 98272. Ask for a written estimate before any work starts.