A.J. PoolsPool builder in St. Catharines, ON

A.J. Pools is ranked #37 of 236 pool builders in St. Catharines by CR Score, with 55 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.

A.J. Pools 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 St. Catharines and 11 towns within 64 km: Welland, Thorold, Port Colborne, Niagara Falls, Binbrook, Fort Erie, Hamilton, Oakville, Burlington, Ancaster and Mississauga. The list is based on the business's location and the usual service radius for pool building. Confirm your address is covered when you call.

A.J. Pools has a rating of 5.0 from 28 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 A.J. Pools on (289) 786-0160. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.