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24 companies listed · 5 in Duncan · 1 open 24/7 · 10 open weekends · 23 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around Duncan, BC, these 24 companies clean windows. Spring fills up fast here, so ask which weeks are still open and whether taking down and washing storm windows and screens is part of the price or an extra.
5 of the 24 companies we list are based in Duncan; the other 19 serve Duncan from towns including Victoria (46 km), Cowichan Bay (8 km) and Sidney (23 km). The companies on this page are rated from 4.4 to 5.0 across 1,604 reviews; 10 have 50 or more reviews and 23 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (87%), quality (84%) and responsiveness (79%). The topics that come up most in reviews of the companies on this page are "price", "communication" and "estimates". 1 is open around the clock; 10 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are gutter cleaning (7), pressure washing (6), roof cleaning (4), window cleaning (4) and house washing (2). 1 shows a licence on its website. Domain records put 6 websites of the companies on this page at ten or more years old; the oldest dates from 2008. 18 give free estimates; 9 are family- or locally-owned and 1 lists coupons or special offers. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Website links are on file for 21 of the 24 window cleaning listings shown. The page worth finding is the one that spells out inclusions and the method used on upper floors. If a site says nothing about screens, storm windows or how they reach an upper story, those are your first three questions.
