Ottawa Building ServiceWindow cleaner in Ottawa, ON

Ottawa Building Service is ranked #41 of 93 window cleaners in Ottawa by CR Score, with 53 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.

Ottawa Building Service 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 Ottawa and 5 towns within 24 km: Vanier, Nepean, Bells Corners, Queenswood Heights and Kanata. The list is based on the business's location and the usual service radius for window cleaning. Confirm your address is covered when you call.

Ottawa Building Service has a rating of 5.0 from 6 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 Ottawa Building Service on (613) 627-3022. The business is at 440 Laurier Ave W #200, Ottawa, ON K1R 7X5. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.