Glassmasters NorthwestWindow cleaner in Lake Oswego, OR

Glassmasters Northwest is ranked #42 of 144 window cleaners in Lake Oswego 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.

Glassmasters Northwest is open Monday to Friday. Its listed hours are Monday to Friday, 10 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Lake Oswego and 11 towns within 15 miles: Tigard, Garden Home-Whitford, Milwaukie, Raleigh Hills, Oak Grove, Tualatin, West Slope, Beaverton, Oatfield, Jennings Lodge and West Haven-Sylvan. 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.

Glassmasters Northwest has a rating of 4.7 from 13 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 Glassmasters Northwest on (360) 546-0337. The business is at 1 Jefferson Pkwy, Lake Oswego, OR 97035. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.