Durham Septic Tank ServicesSeptic service company in Ajax, ON

Durham Septic Tank Services is ranked #17 of 43 septic service companies in Ajax 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 Ajax and 11 towns within 40 km: Pickering, Oshawa, Markham, Scarborough, Uxbridge, East York, Willowdale, Richmond Hill, North York, Toronto and Concord. 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.

Durham Septic Tank Services has a rating of 2.4 from 5 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 Durham Septic Tank Services on (905) 619-3433. The business is at Ajax, ON L1T 4S6. Ask for a written estimate before any work starts.