One Call PlumbersPlumber in Ajax, ON

One Call Plumbers is ranked #18 of 560 plumbers in Ajax by CR Score, with 60 out of 100 as of October 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.

One Call Plumbers 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 Ajax and 11 towns within 40 km: Pickering, Oshawa, Markham, Scarborough, Uxbridge, East York, Willowdale, North York, Richmond Hill, Toronto and Concord. The list is based on the business's location and the usual service radius for plumbing. Confirm your address is covered when you call.

One Call Plumbers has a rating of 4.9 from 38 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 One Call Plumbers on (416) 878-8386. The business is at 109 Barnes Dr, Ajax, ON L1S 5E7. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.