Willy’s Exterior ServicesWindow cleaner in Simi Valley, CA

Willy’s Exterior Services is ranked #31 of 98 window cleaners in Simi Valley 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.

Willy’s Exterior Services is open Monday to Saturday. Its listed hours are Monday to Saturday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Simi Valley and 11 towns within 15 miles: Camarillo, Moorpark, Thousand Oaks, Westlake Village, Santa Paula, El Rio, Oxnard, Oak Park, Agoura Hills, Fillmore and Port Hueneme. 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.

Willy’s Exterior Services has a rating of 5.0 from 7 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 Willy’s Exterior Services on (866) 525-1760. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.