Green Source JanitorialWindow cleaner in Palo Alto, CA

Green Source Janitorial is ranked #41 of 112 window cleaners in Palo Alto by CR Score, with 53 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.

Green Source Janitorial is open Monday to Friday. Its listed hours are Monday to Friday, 9 AM – 5 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Palo Alto and 11 towns within 15 miles: Stanford, East Palo Alto, Menlo Park, Los Altos, Los Altos Hills, Mountain View, Atherton, North Fair Oaks, Woodside, Sunnyvale and Redwood City. 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.

Green Source Janitorial has a rating of 4.8 from 4 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 Green Source Janitorial on (650) 488-8100. The business is at 2625 Middlefield Rd Ste 664, Palo Alto, CA 94306. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.