St Pierre Window CleaningWindow cleaner in Ontario, CA

St Pierre Window Cleaning is ranked #34 of 111 window cleaners in Ontario by CR Score, with 57 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.

Serves Ontario and 11 towns within 15 miles: Chino, Montclair, Upland, Los Serranos, Rancho Cucamonga, Eastvale, Claremont, Pomona, Chino Hills, Jurupa Valley and Norco. 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.

St Pierre Window Cleaning has a rating of 5.0 from 5 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 St Pierre Window Cleaning on (909) 947-0951. The business is at 2408 S Hope Pl, Ontario, CA 91761. Ask for a written estimate before any work starts.