Diamond Cleaners USAWindow cleaner in Seattle, WA

Diamond Cleaners USA is ranked #4 of 151 window cleaners in Seattle by CR Score, with 61 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.

Diamond Cleaners USA is open 7 days a week. Its listed hours are Monday to Friday, 9 AM – 6 PM; Saturday and Sunday, 10 AM – 5 PM. On Saturdays it is open 10 AM to 5 PM, and on Sundays 10 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

Serves Seattle and 12 towns within 15 miles: Riverton, Boulevard Park, Tukwila, Burien, SeaTac, Bryn Mawr-Skyway, White Center, Renton, Normandy Park, Des Moines, Mercer Island and Fairwood. 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.

Diamond Cleaners USA has a rating of 4.7 from 155 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 Diamond Cleaners USA on (425) 529-5449. The business is at 2410 S 128th St, Seattle, WA 98168. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.