Monoflo Septic Tank CoSeptic service company in Guilford, CT

Monoflo Septic Tank Co is ranked #5 of 87 septic service companies in Guilford by CR Score, with 59 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.

Monoflo Septic Tank Co is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Guilford and 11 towns within 25 miles: Old Saybrook, Madison, East Haddam, Waterford, North Branford, New London, Groton, Montville Center, Branford, Branford Center and Conning Towers-Nautilus Park. 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.

Monoflo Septic Tank Co has a rating of 4.4 from 10 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 Monoflo Septic Tank Co on (860) 399-9427. The business is at 261 Spencer Plains Rd, Westbrook, CT 06498, Guilford, CT. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.