Ontario BuildersHome builder in Mississauga, ON

Ontario Builders is ranked #11 of 1,028 home builders in Mississauga by CR Score, with 59 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.

Ontario Builders 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 Mississauga and 11 towns within 64 km: Etobicoke, Oakville, Toronto, Brampton, East York, Milton, North York, Willowdale, Concord, Burlington and Vaughan. The list is based on the business's location and the usual service radius for home building. Confirm your address is covered when you call.

Ontario Builders has a rating of 4.9 from 11 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 Ontario Builders on (416) 844-3831. The business is at 303 Iroquois Ave, Mississauga, ON L5G 1M8. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.